HPLC - 400 ads

Friday, May 17, 2024

, LYCOPENE is a member of the carotenoid family of chemical substances. Lycopene, similar to other carotenoids, is a natural fat-soluble pigment (red, in the case of lycopene) found in certain plants and microorganisms, where it serves as an accessory light-gathering pigment and...

Thursday, May 16, 2024

Quantity : 500kg/mont - Price : Negotiation

Product name: lotus leaf extract Latin name: Folium nelumbinis Specification: 0.2% 0.5% nuciferine by HPLC 20% flavonoids by HPLC Location : Room 2901,1st Building of Vaya Garden,35 Meilin Street of East Laodong Road,Changsha 410019,Hunan,China, 410019 Changsha, Contact : Jennifer Huang...

Thursday, May 16, 2024

Quantity : 500kg/mont - Price : Negotiation

Product Name: Dong Quai Extract Latin Name: Angelica sinensis Part Used: Roots Tests Color Texture Odor Flavor Identification Loss on drying Standard sieve Extraction solvents Specification Light yellow Amorphous powder Characteristic Characteristic Positive <...

Thursday, May 16, 2024

Quantity : 500kg/mont - Price : Negotiation

Schisandra Extract Protect liver health Schisandra Extract is extracted from Schisandra Chinensis Baill. by ethanol and water. Part used: Fruit Benefits： 1. Protect your liver; 2. Anti-aging; 3. Help to improve the loss of appetite, fatigue, insomnia and other symptoms. Specification：...

Thursday, May 16, 2024

Quantity : 500kg/mont - Price : Negotiation

Sweet Tea Extract Natural sweetener , low-calorie Sweet Tea Extract is extracted from Rubus SuabissimusS. Lee. by ethanol and water. Part used: Leaf Benefits: 1. Natural sweetener, low calorie and high sweetness (300 times sweeter than cane sugar); 2. Balance blood sugar and blood fat; 3...

Thursday, May 16, 2024

Quantity : 500kg/mont - Price : Negotiation

Grape Vine Extract Anti-oxidant; balance blood sugar Grape Vine Extract is extracted from Vitisvinifera L. by ethanol and water. Part used: Vine Benefit： 1. Anti-oxidant; 2. Anti-inflammatory and anti-cancer; 3. Balance blood sugar, treat cardiovascular diseases. Specification...

Thursday, May 16, 2024

Quantity : 500kg/mont

Cocoa Seed Extract Powerful natural antioxidant; weight management Cocoa Seed Extract is extracted from Theobroma Cocao by ethanol and water. Part used: Seed Benefits: 1. Anti-oxidant,anti-inflammatory,reduce the risk of heart disease 2. Prevent fat accumulation and absorption; 3...

Thursday, May 16, 2024

Quantity : 500kg/mont

Cocoa Seed Extract Powerful natural antioxidant; weight management Cocoa Seed Extract is extracted from Theobroma Cocao by ethanol and water. Part used: Seed Benefits: 1. Anti-oxidant,anti-inflammatory,reduce the risk of heart disease 2. Prevent fat accumulation and absorption; 3...

Thursday, May 16, 2024

Echinacea Purpurea Extract Boost immune system, prevent colds Echinacea Purpurea Extract is extracted from Echinacea Purpurea by ethanol and water. Part used: Herb Benefits: 1. Boost immune system; 2. Reduce the risk of catching colds and flu； 3. Balance blood sugar and blood fat...

Thursday, May 16, 2024

Magnolia Bark Extract Reduce stress and stress-related symptoms and inhibit cortisol Magnolia Bark Extract is extracted from Magnolia Officinalis by ethanol and water. Part used: Bark Benefits: l Anti-bacteria, treat halitosis and prevent teeth decay; l Anti-cancer , anti-oxidant...

Thursday, May 16, 2024

Quantity : 500kg/mont

Reishi Mushroom Extract Boost the immune system; reduce blood pressure Reishi Mushroom Extract is extracted from Ganoderma Lucidum Karst by ethanol and water. Part used: Fruiting body Benefits: l Boost the immune system; l Treat sleeping problems; l Improve heart health, reduce cholesterol...

Friday, May 10, 2024

Quantity : 10pcs/pk - Price : USD5.99/PK

- Introduction: MS Sample vials manufactured from borosilicate glass and meets ASTM Type I Class A and USP Type I standards, which improves your laboratory productivity by reducing costs and saving time. These products considerably reduce the risk of analytical test results compromised...

Thursday, May 09, 2024

Quantity : 100PCS/PK - Price : USD20/PK

- Introduction: Superpure offers unsurpassed quality, consistency and reliablility of result to increase sample throughput while reducing thumb pressure. Under designed state-of-art injection technology, syringe filter is produced for 17mm and 30mm. HPLC certification is owned for each batch...

Wednesday, May 08, 2024

Quantity : 1kg - Price : 20usd/kg

English Name Panax Ginseng Extract Latin Name Panax Ginseng Extract C.A.mey Specification 1%-20% ginsenoside Test Method HPLC Technology Standard EC Standard Particle Size Fine Powder,80-200 mesh Color Brown Loss on Drying <5.0%</p> Ash <1...

Wednesday, May 08, 2024

Quantity : 1kg - Price : 20usd/kg

English Name Panax Ginseng Extract Latin Name Panax Ginseng Extract C.A.mey Specification 1%-20% Ginsenosides Test Method HPLC Technology Standard EC Standard Particle Size Fine Powder,80-200 mesh Color Brown Loss on Drying <5.0%</p> Ash <1...

Wednesday, May 08, 2024

Quantity : 1kg - Price : 20usd/kg

English Name Panax Ginseng Extract Latin Name Panax Quinquefolius L. Specification 1%-20% Test Method HPLC Technology Standard EC Standard Particle Size Fine Powder,80-200 mesh Color Brown Loss on Drying <5.0%</p> Ash <1.5%</p...

Wednesday, May 08, 2024

Quantity : 1kg - Price : 20usd/kg

English Name Korean Red Ginseng Extract Latin Name Panax Ginseng Extract C.A.mey Specification 1%-20% Test Method HPLC Technology Standard EC Standard Particle Size Fine Powder,80-200 mesh Color Brown Loss on Drying <5.0%</p> Ash <1...

Wednesday, May 08, 2024

Quantity : 1kg - Price : 20usd/kg

English Name Korean Red Ginseng Extract Latin Name Panax Ginseng Extract C.A.mey Specification 1%-20% Test Method HPLC Technology Standard EC Standard Particle Size Fine Powder,80-200 mesh Color Brown Loss on Drying <5.0%</p> Ash <1...

Wednesday, May 08, 2024

Quantity : 1kg - Price : 20usd/kg

English Name Korean Red Ginseng Extract Latin Name Panax Ginseng Extract C.A.mey Specification 1%-20% Test Method HPLC Technology Standard EC Standard Particle Size Fine Powder,80-200 mesh Color Brown Loss on Drying <5.0%</p> Ash <1...

Wednesday, May 08, 2024

Quantity : 1kg - Price : 20usd/kg

English Name Panax Ginseng Extract Latin Name Panax Ginseng Extract C.A.mey Specification 1%-20% Test Method HPLC Technology Standard EC Standard Particle Size Fine Powder,80-200 mesh Color Brown Loss on Drying <5.0%</p> Ash <1.5%...

Wednesday, May 08, 2024

Quantity : 1kg - Price : $20/kg

English Name Korean Red Ginseng Extract Latin Name Panax Ginseng Extract C.A.mey Specification 1%-20% Test Method HPLC Technology Standard EC Standard Particle Size Fine Powder,80-200 mesh Color Brown Loss on Drying <5.0%</p> Ash <1...

Wednesday, May 08, 2024

Quantity : 1KG-25000K - Price : USD16-USD7200.0

Dydrogesterone CAS 152-62-5 Wholesale & Bulk Dydrogesterone is a synthetic progestogen, a type of medication that mimics the effects of the naturally occurring hormone progesterone. It's commonly used in hormone replacement therapy and to treat conditions related to hormonal imbalances...

Wednesday, May 08, 2024

Resveratrol Also know as: trans-resveratrol;Resvida Plant original: From the dry root of Polygonum cuspidatum Sieb. et Zucc. Chemical Properties Chemical Formula: C14H12O3 Cas No.: 501-36-0 Formula Weight: 228.24 Chemical Family: polyphenols Appearance: off-white crystal...

Wednesday, May 08, 2024

Icariin Plant original: From the Dry leaves of Epimedium sagittatum Maxim Chemical Properties Chemical Formula: C33H40O15 Formula Weight: 676.6 g/mol Cas No.: 489-32-7 Appearance: Yellow crystal powder Chemical Family: Flavonoids HPLC Detection： C18（ 4.6 ×250mm） Mobilephase...

Wednesday, May 08, 2024

Cyanidin-3-O-glucoside Also know as: Chrysontemin, Glucocyanidin, Asterin, Cyanidin 3-glucoside, Cyanidol 3-glucoside Plant original: Glycinemax(L.)merr Chemical Properties Chemical Formula: C21H21CIO11 Cas No.: 7084-24-4 Formula Weight: 484.83 Chemical Family: Anthocyanins...

Wednesday, May 08, 2024

Quantity : 1G - Price : 300,00 €

Cephalotaxine-FOB USD: 330/G Grade Reference Standards Alias: Cephalotaxlen CAS NO. 24316-19-6 Purity HPLC>98% Min. Order 1g Payment T/T Packing bottle or bag Delivery by air China Delivery Date 1-3days Date 2015/09/01 Validity 7 Days Seiral No. HC08102 Product Info...

Wednesday, May 08, 2024

Saikosaponin D Also know as: Saikosaponin D, Saikosaponins Plant original: From the root of Bupleurum chinense DC Chemical Properties Chemical Formula: C42H68O13 Cas No.: 20874-52-6 Formula Weight: 780.98 Chemical Family: Saponins Appearance: white powder HPLC Detection C18（4...

Wednesday, May 08, 2024

Quantity : 500kg/mont - Price : FOB

Giant Knotweed Extract Powerful natural anti-oxidant and cancer inhibitor, anti-inflammatory Giant Knotweed Extract is extracted from Polygonum Cuspidatum Sieb by ethanol and water. Part used: Rhizome Benefit: 1. Natural anti-oxidant to eliminate free radicals and, anti-aging; 2...

Tuesday, May 07, 2024

Cephalotaxlen As know as: (-)-Cephalotaxine .. Plant original: From cephalotaxus fortunei Chemical Properties Chemical Formula : C18H21NO4 Formula Weight：315.36 Cas No.: 24316-19-6 Appearance: white crystal Chemical Family: Alkaloids HPLC Detection: C18（4.6 ×200mm, 5μm） Mobilephase...

Tuesday, May 07, 2024

Quantity : 500kg/mont - Price : FOB

Ginseng Extract( Free-Pesticide) Improve memory and enhance immune system；anti-fatigue and anti-aging Ginseng Extract is extracted from Panax Ginseng C.A.Mey by ethanol and water. Part used: Root, leaf & stem Benefit: 1. Improve memory of healthy middle-aged people; 2. Boost...

Monday, April 08, 2024

Octaphenylcyclotetrasiloxane SiSiB® PC9180 is a white solid. Technical Data CAS No. 546 56 5 EINECS No. 208-904-9 Formula C48H40O4Si4 Molecular Weight 793.17 Boiling Point 332°C [1mmHg] Flash Point 200°C Melting Point 203°C Color and Appearance White Solid Min...

Thursday, March 28, 2024

Quantity : 1-1000 - Price : 10-10 million

Hanbon column chromatography lab are suitable for all commercially available HPLC systems, mainly the Hedera and Nucifera series. They are made of ultra-pure, fully porous spherical silica gel with C18, C8, C4, PhP and NH2 functional groups bonded. A wide range of stationary phases...

Thursday, March 28, 2024

Quantity : 1-1000 - Price : 10-10 million

Intepure is a flexible and intuitive chromatography system for the rapid purification of milligram to gram scale chemical synthesis, natural products, peptides, fermentation drugs and other target products. The system can be fitted with pre-loaded columns of φ10-30mm and dynamic axial...

Thursday, March 28, 2024

Quantity : 1-1000 - Price : 10-10 million

CS-Prep® high pressure liquid chromatography system consists of an infusion section, an injection section, a detection section, a distillate collection section, a control and data processing section. It is the first diaphragm pump explosion-proof ultra high performance liquid chromatography...

Friday, March 22, 2024

2,2'-Bis(2-chlorophenyl)-4,4',5,5'-tetra phenyl-1,2'-biimidazole PowerCure™ BCIM is a hexaarylbiimidazole (HABI), a visible light thiol-ene photoinitiator, such as in the polymerization of 1,6-hexanediol diacrylate by hexaarylbisimidazoles and heterocyclic mercapto compounds. Technical...

Thursday, February 22, 2024

The avtive ingredient of organic ginseng extract is Ginsenosides, and we have various of specifications. Please contact us for more information.Specification of Pekhill Organic Panax Ginseng Extract Specifications Description Organoleptic Fine yellowish powder with characteristic...

Wednesday, February 21, 2024

Price : ＞0.8USD

Advantages of Capillary Tube The ss capillary tube has high precision and can be used in various measuring instruments. Based on its thick-walled, small-diameter structure (usually 1/8" or smaller diameter), such stainless steel capillary tube will be used in various key applications...

Saturday, January 27, 2024

Quantity : Not less t - Price : USD 74.00/kg FOB Sha

Chemical Name: Disodium salt of 2,2′-bis-(1,4-phenylene)1H-benzimidazole -4,6-disulfonic acid Trade Name: Disodium Phenyl Dibenzimidazole Tetrasulfonate Synonyms: Bisdisulizole Disodium; 1H-Benzimidazole-4,6-Disulfonic Acid, 2,2′-(1,4-Phenylene)Bis-, Disodium salt; Neo Heliopan AP...

Thursday, January 04, 2024

BCAA powder for sale (Branched-chain amino acids) can promote muscle synthesis and prevent muscle loss. Branched-chain amino acids are not just a type of amino acid. They are a collective name for three common amino acids in proteins: leucine, valine, and isoleucine. Commonly found...

Saturday, October 21, 2023

Quantity : 10mg-10t - Price : 50-15000

N-Cyclohexyl-3-aminopropanesulfonic acid is a useful research chemical. CAPS buffer is a buffer solution that can be used as a biological buffer, used in biochemical diagnostic kits, DNA/RNA extraction kits and PCR diagnostic kits, as well as in enzymatic chemistry and HPLC separation...

Saturday, October 21, 2023

Quantity : 10mg-10t - Price : 50-15000

Luminol, also called 3 aminophthalic hydrazide and its derivatives are redox-type chemiluminescence reagents, which can be oxidized by various oxidants under alkaline conditions, such as H2O2, K2S2O8, etc., and a chemiluminescence reaction will occur to emit blue light. Because...

Tuesday, August 08, 2023

Milk Thistle is a flowering herb native to Mediterranean countries. The main component in Milk Thistle is Silymarin, which is an antioxidant compound. People used it to treat diseases related to the liver and gallbladder traditionally. Basic Information of ACE Biotechnology Milk...

Saturday, August 05, 2023

Quantity : ≥25.00kg - Price : USD 120.00/kg FOB/FC

Product Name: BIS-ETHYLHEXYLOXYPHENOL METHOXYPHENYL TRIAZINE Alias: Bemotrizinol; Tinosorb S Aqua; BIS-ETHYLHEXYLOXYPHENOL METHOXYPHENYL TRIAZINE; 6,6′-(6-(4-Methoxyphenyl)-1,3,5-triazine) 2,4-diyl)bis(3-(2-ethylhexyloxy)phenol); 2,2′-[6-(4-Methoxyphenyl)- 1,3,5-triazine-2,4-diyl]...

Saturday, July 29, 2023

Quantity : ≥1.00kg - Price : USD 2,300.00/kg FCA

Product Name: Salcaprozate Sodium Aliases: SNAC; Salcaprozate Sodium; Salcaprozate sodium; Salcaprozate Sodium (SNAC); sodium 8-(2-hydroxybenzamido)octanoate; sodium,8-[(2-hydroxybenzoyl)amino]octano ate; SODIUM 8-(2-HYDROXYBENZAMIDO)OCTANOATE (SNAC); SNAC, sodium 8-[(2-hydroxybenzoyl)amino...

Tuesday, July 25, 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Tuesday, July 18, 2023

Quantity : ≥100 Kilog - Price : USD 65.50/Kg FOB Sha

Product Name: Diethylhexyl Butamido Triazone Alias: Ultraviolet Absorbent HEB; Ultraviolet Absorber HEB; HEB CAS No.: 154702-15-5 EINECS No.: 421-450-8 Molecular Formula: C44H59N7O5 Molecular Weight: 765.98 Specifications of our Diethylhexyl Butamido Triazone(HEB): Test Items Specifications...

Tuesday, July 18, 2023

Quantity : ≥100 Kilog - Price : USD 75.50/Kg FOB Sha

INCI Name: Disodium Phenyl Dibenzimidazole Tetrasulfonate Alias: DPDT; BISIMIDAZYLATE; DIBENZIMIDAZOLE; DISODIUM PHENYL; TETRASULFONATE CAS No.: 180898-37-7 EINECS No.: 429-750-0 Molecular Formula: C20H14N4Na2O12S4 Molecular Weight: 676.5843 Specifications of Disodium Phenyl Dibenzimidazole...

Tuesday, July 18, 2023

Quantity : ≥1000 Kilo - Price : USD 6.25/Kg FOB Shan

Product Name: Carbomer 980 CAS No.: 9003-01-4; 9007-20-9 Molecular Formula: (C3H4O2)n Concentration(carboxylic acid): 56.0% ~ 68.0% Brief Introduction: Carbomer is a high molecular polymer cross-linked with acrylic acid and allyl sucrose or allyl pentaerythritol, also known as carbopol...

Monday, July 17, 2023

Quantity : ≥100 Kilog - Price : USD 50.50/Kg FOB Sha

INCI Name: Diethylaminohydroxybenzoyl hexyl benzoate Alias: DHHB; UVA PLUS; UV A PLUS; Uvinul A plus; uv absorber A PLUS CAS No.: 302776-68-7 EINECS No.: 443-860-6 Molecular Formula: C24H31NO4 Molecular Weight: 397.51 Specifications of our Diethylaminohydroxybenzoyl Hexyl Benzoate(DHHB)...

Monday, July 17, 2023

Quantity : ≥100 Kilog - Price : USD 31.60/Kg FOB Sha

Product Name: Ethylhexyl Triazone Alias: Uvinul T 150; Uvinul T150; Octyl triazone; UVT-150; EHT CAS No.: 88122-99-0 EINECS No.: 402-070-1 Molecular Weight: 823.07 Molecular Formula: C48H66N6O6 HS Code: 2933699099 Specifications of Ethylhexyl Triazone: Test Items Specifications...

Monday, July 17, 2023

Quantity : 500kg ~ 10 - Price : USD 21.50/Kg FOB Sha

Product Name: Benzophenone-3 Alias: UV-9; BP-3; Oxybenzone; cyasorbuv9; Escalol 567; Eusolex 4360; Cyasorb uv 9; UV absorber UV-9; 2-Benzoyl-5-methoxyphenol; Ultraviolet absorber UV-9; Ultraviolet absorbent UV-9; Cyasorb uv 9 light absorber; 4-Methoxy-2-hydroxybenzophenone; 2-Hydroxy...

Wednesday, July 12, 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Wednesday, July 12, 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Wednesday, July 12, 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Tuesday, July 11, 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Saturday, July 08, 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Saturday, July 08, 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Friday, July 07, 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Thursday, July 06, 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Wednesday, July 05, 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Wednesday, July 05, 2023

Features of Organic Compound Comprehensive Tester RoHS 2.0 Tester LC-2800G Plus It is equipped with JHT test V chromatography software to realize the whole process computer control of the instrument, reduce the manual sampling error and improve the accuracy. The infusion pump, column...

Tuesday, July 04, 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Saturday, July 01, 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Friday, June 30, 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Thursday, June 29, 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Wednesday, June 28, 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Wednesday, June 28, 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Wednesday, June 28, 2023

Quantity : 600pieces/ - Price : 80USD~500USD

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Wednesday, June 28, 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Wednesday, June 28, 2023

Quantity : 500000 Pie - Price : $0.2 - $1500

The switching valve is a type of multiposition valve without a public port but with dispensing ports around, a sample loop is required for such kind of valve to create a metering specific volume of fluids for a lab test, the applications are very flexible as you can name any port...

Wednesday, June 28, 2023

Quantity : 30pcs

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Tuesday, June 27, 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Tuesday, June 27, 2023

Quantity : 100000PCS - Price : USD0.1~3.00

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Tuesday, June 27, 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Tuesday, June 27, 2023

Quantity : 10mg-10t - Price : 50-15000

- Cyclohexyl-3-aminopropanesulfonic acid is a useful research chemical. CAPS buffer is a buffer solution that can be used as a biological buffer, used in biochemical diagnostic kits, DNA/RNA extraction kits and PCR diagnostic kits, as well as in enzymatic chemistry and HPLC separation...

Monday, June 26, 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Monday, June 26, 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Friday, June 16, 2023

Quantity : 1-5000 set - Price : $1,000~$50,000

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Friday, June 16, 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Thursday, June 15, 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Thursday, June 15, 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Wednesday, June 14, 2023

Price : 0.01-1000

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Thursday, June 08, 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Thursday, June 08, 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Thursday, June 08, 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Thursday, June 08, 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Wednesday, June 07, 2023

Price : 1-12 USD/km²

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Wednesday, June 07, 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Wednesday, June 07, 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Wednesday, June 07, 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Tuesday, June 06, 2023

Quantity : 4000 units - Price : 650USD-3500USD

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Tuesday, June 06, 2023

Quantity : 1-10,000pc - Price : 0.03-30USD/pcs

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Tuesday, June 06, 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Tuesday, June 06, 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Saturday, June 03, 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Friday, June 02, 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Friday, June 02, 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Saturday, April 08, 2023

Milk Thistle is a flowering herb native to Mediterranean countries. The main component in Milk Thistle is Silymarin, which is an antioxidant compound. People used it to treat diseases related to the liver and gallbladder traditionally. Basic Information of ACE Biotechnology Milk...

Saturday, February 11, 2023

Quantity : 10mg-10t - Price : 50-15000

The CAS number of nsp dmae nhs is: 194357-64-7, and the molecular formula is C30H26N2O9S. It is a luminescent substrate reagent used in chemiluminescence experiments. Its parent is acridine ester. Many derivatives with different properties, acridinium ester NSP-DMAE-NHS is one of...

Monday, January 16, 2023

Quantity : 1kg - Price : USD4,000.00

1. Product Name: Salcaprozate Sodium 2. Alias: SNAC; Salcaprozate Sodium; Salcaprozate sodium; Salcaprozate Sodium (SNAC); sodium 8-(2-hydroxybenzamido)octanoate; sodium,8-[(2-hydroxybenzoyl)amino]octano ate; SODIUM 8-(2-HYDROXYBENZAMIDO)OCTANOATE (SNAC); SNAC,sodium 8-[(2-hydroxybenzoyl)amino...

Thursday, January 05, 2023

Angelica Root Extract It' s extracted from the root of Angelica by SFE-CO2 Extraction. According to traditional Chinese medicine, Chinese angelica powder has the role of nourishing blood, nourishing bowel and defecation. Angelica root powder is suitable for symptoms such as blood deficiency...

Thursday, January 05, 2023

Cas 4431-01-0 Angelica Root Essential Oil Angelica root essential oil is extracted from the root of Angelica by SFE-CO2 Extraction. The main component is ligustilide, linoleic acid, etc. Angelica archangelica essential natural oil is currently the best-selling pharmaceutical intermediate...

Wednesday, November 09, 2022

Quantity : 10g - Price : 10USD

Product Name: S-23 CAS: 1010396-29-8 MF: C18H13ClF4N2O3 MW: 416.753 EINCES: 1532714-185-1 MP: 119-121 °C BP: 577.1±50.0 °C(Predicted) Density: 1.48±0.1 g/cm3(Predicted) Appearance: White powder Package: 10g,100g,500g and 1kg or as customers'request. Test Method: HPLC Purity: 99% HPLC Min Order...

Wednesday, November 09, 2022

Quantity : 10g - Price : 10USD

Product Name: S-23 CAS: 1010396-29-8 MF: C18H13ClF4N2O3 MW: 416.753 EINCES: 1532714-185-1 MP: 119-121 °C BP: 577.1±50.0 °C(Predicted) Density: 1.48±0.1 g/cm3(Predicted) Appearance: White powder Package: 10g,100g,500g and 1kg or as customers'request. Test Method: HPLC Purity: 99% HPLC Min Order...

Wednesday, November 09, 2022

Quantity : 10g - Price : 10USD

Product Name: SR9009(Stenabolic ) CAS: 1379686-30-2 MF: C20H24ClN3O4S MW: 437.94026 EINCES：1592732-453-0 BP：547.2±45.0 °C(Predicted) Density：1.327±0.06 g/cm3(Predicted) Appearance: White powder Package: 10g,100g,500g and 1kg or as customers'request. Test Method: HPLC Purity: 99% HPLC Min Order...

Wednesday, November 09, 2022

Quantity : 10g - Price : 10USD

Sarms MK677 Product Name: Ibutamoren mesylate,MK677,mk677,sarms Other Name: Ibutamoren CAS: 159752-10-0 MF: C27h36n4o5s.CH4o3s MW: 624.776 EINCES: 1308068-626-2 Appearance: White Powder Package: 10g,100g,500g and 1kg or as customers'request. Test Method: HPLC Purity: 99% HPLC Min Order...

Tuesday, October 18, 2022

Quantity : 3000KGS

Extrait de thé vert polyphénol de thé vert. Nom du produit: polyphénol de thé vert Source: camélia. Principe actif: polyphénols du thé Spécification: polyphénol total 40% ~ 98% UV, 20% - 80% catéchine, 15% - 98% EGCG HPLC Solubilité: soluble dans l'eau Aspect: poudre fine jaune brunâtre Taille...

Thursday, September 08, 2022

Botanical names: Paeonia suffruticosa, Paeonia lactiflora, Paeonia veitchii Used part: root Appearance: Brown Fine powder Specification: Paeoniflorin 10%, 20%, 50%, 98% HPLC Synonyms: 5beta-[(Benzoyloxy)methyl]tetrahydro-5-h ydroxy-2-methyl-2, 5-methano-1H-3, 4-dioxacyclobuta[cd]pentalen...

Thursday, September 08, 2022

Turmeric Root Extract Latin Name: Curcuma longa Linn. Appearance: Yellow-Orange Powder Part Used: Root Specification: 15%~95% curcumins HPLC CAS No.: 458-37-7 Description: Curcumin is a chemical component extracted from the rhizome of some plants in the family Zingiberaceae and Araceae...

Wednesday, September 07, 2022

- Hesperidin - CAS-No.: [520-26-3] Specification: 85%-95% HPLC Extraction solvent: Water Origin: Dry citrus Aurantium Description: Hesperidin is a flavanone glycoside (flavonoid) (C28H34O15) found abundantly in citrus fruits. Its aglycone form is called hesperetin. Hesperidin is...

Wednesday, September 07, 2022

Yohimbe Bark Extract Botanical Source: Pausinystalia Yohimbe Part Used: Bark Appearance: Red-brown to a white fine powder Specifications: 8%-98% Yohimbine HPLC CAS NO.: 523-06-8 Description: The origin of yohimbine is Africa. The active ingredient of Yohimbe is yohimbine, which...

Wednesday, September 07, 2022

Other name: Soybean Extract Powder Plant origin: Glycine max (L.) Merr CAS No.: 574-12-9 Specification: 5%~90% HPLC Part Used: Germ or soy bean Appearance: White to light yellow powder Soybean isoflavones contains: Daidzin, Daidzein, Genistin, Genistein, Glycitin, Glycitein Sources and Habitat...

Wednesday, September 07, 2022

100% Natural Raw Material Latin Name: Salix babylonica L., Salix alba L. Appearance: Yellow Fine Powder Part used: Bark Product Specification: 15%, 25%, 30%, 50%, 80%, 98% Salicin HPLC Molecular Formula: C13H18O7 Molecular Weight: 286.28 CAS Number: 138-52-3 EINECS: 205-331-6 Product Description...

Wednesday, September 07, 2022

Quercetin Dihydrate Product Name: Quercetin Botanical Name: Sophora japonica L. CAS No: 117-39-5 Molecular Formula: C15H10O7 Molecular Weight: 302.24 Color: Yellow-Green powder Used Part: Flower Bud Purity: 95% HPLC Description: Quercetin is a type of plant-based chemical, or phytochemical...

Friday, July 29, 2022

About Company Qyherb is devoted on the extraction of effective natural ingredients from natural Chinese herbal medicines, and natural plants with 15 years of produce experience. We focus on the natural ingredients and plant extract applied to food, functional products, dietary complement...

Wednesday, May 18, 2022

Quantity : 15000 piec - Price : $5-100

It' s extracted from the root of Angelica by SFE-CO2 Extraction. According to traditional Chinese medicine, Angelica has the role of nourishing blood, nourishing bowel and defecation. It is suitable for symptoms such as blood deficiency, dizziness and palpitation, irregular menstruation...

Wednesday, May 18, 2022

Quantity : 15000 piec - Price : $5-100

It's extracted from the root of Angelica by SFE-CO2 Extraction. The main component is ligustilide, linoleic acid, etc. It is currently the best-selling pharmaceutical intermediate and healthy food raw materials in the market. Angelica root essential oil is also widely used in cosmetics...

Tuesday, April 12, 2022

The fast switching solenoid valve is a type of multiposition valve without a public port but with dispensing ports around, a sample loop is required for such kind of valve to create a metering specific volume of fluids for a lab test, the applications are very flexible as you can...

Monday, August 02, 2021

What is glabridin? Glabridin, also known as Glycyrrhizic Flavone, is an kind of isoflavone. It is extracted from the dried rhizome of Glycyrrhiza glabra L. Glabridin is one of the main flavonoids in Glycyrrhiza glabra (accounting for 11%). Numerous studies have shown that Glabridin...

Monday, August 02, 2021

Rutin is extracted from dried buds of Sophorae Japonica. Pure rutin is yellow or yellow-green colored needle-shaped crystal. Rutin is a flavonol glycoside comprised of the quercetin and the disaccharide rutinose. Rutin is a powerful antioxidant. It helps the body utilize vitamin C...

Monday, August 02, 2021

Basic info: Product Name: Ginkgo Biloba Extract Latin Name: Ginkgo Biloba L. Product Type: Light Yellow or Brown-yellowPowder Part of the Plant Used: Leaf (Dry, 100% Natural) Extract Method: Ethanol & Water CAS#: [90045-36-6] Ginkgo biloba Extract specifications: 1. CP2005 (Ginkgoflavon...)

Monday, August 02, 2021

Stevia (Stevioside, Rebaudioside A) is natural and derived from the leaves of stevia plant, it does not contain any harmful chemicals often found in artificial sweeteners. Stevia is safe for diabetics, has been shown to help prevent tooth decay, and has even been recommended by the...

Monday, August 02, 2021

Hesperidin is a flavanoneglycoside found abundantly in citrus fruits. Its aglycone form is called hesperetin. Its name is derived from the word "hesperidium", the kind of fruit produced by citrus trees. Hesperidin is believed to play a role in plant defense. It acts as an antioxidant...

Monday, August 02, 2021

Carnosic Acid 20% Carnosic Acid 50% Carnosic Acid 60% Carnosic acid is a phytochemical that occurs naturally in rosemary, the common culinary herb. Recognized as an antioxidant, the most notable benefit of carnosic acid is its ability to protect against free radicals in the brain...

Wednesday, April 08, 2020

Importance of Proper Models of HPLC Column In practical application, proper models of the HPLC column have a great influence on the performance or operation of the HPLC column. Improper models could greatly reduce the filtration effect. The HPLC column of high purity silica gel matrix...

Wednesday, April 01, 2020

The properties of the reversed-phase filler are determined by the matrix and the substrate. the particle shape, size, pore size and pore size distribution of the matrix, specific surface area, residual silicon hydroxyl concentration, and the content of impurity ions will all have...

Wednesday, March 25, 2020

Character of syringe filter 1. The PTFE membrane of the syringe filter is completely made of natural and permanent hydrophobic PTFE material. Even under a very low pressure difference, it can ensure that moist air or other gases can pass without hindrance, while the aqueous solution...

Tuesday, March 24, 2020

Remove the column outlet end If the pressure does not drop, the HPLC column is blocked. Treatment: if the buffer salt is blocked, flush 95% water to normal pressure. If some strongly retained substances cause blockage, the mobile phase stronger than the current one should be used...

Monday, March 23, 2020

Advantages of flash column FLASH chromatography is used for preparation and has the following advantages: 1. Fast speed, generally 1/8 of the separation time of open column chromatography, saving time, slow sample change and decomposition 2. Large preparation volume, at least as compared...

Wednesday, March 18, 2020

Widely used to remove particles from a liquid sample and avoid damage to equipment at the same time, syringe filter is affordable tool in the labs, which the scientists can use for small-volume filtration. You can find two different types of filters, one is with which you can recover your sample...

Tuesday, March 17, 2020

Cleaning and storage of HPLC column Have a good understanding of the sample made, and wash it with the mobile phase that has the strongest eluting capacity for the sample. For silica gel HPLC column, first wash away the polar impurities with methanol, then use dry dichloromethane...

Tuesday, March 17, 2020

How to understand the chromatographic separation? Put it in short, the more similar the separated substance to the stationary phase, the longer the residence time on it. In this way, different substances in a complex mixed solution can be separated according to time, and the separated...

Thursday, March 12, 2020

What areSyringe filter syringe filters used for? syringe filter, also known as needle filter, cylinder filter, cylinder filter membrane filter, etc., is used for sample prefiltration, clarification of the removal of particles, liquids and gases, etc. What are the advantages of using...

Tuesday, March 10, 2020

Types of HAWACH HPLC Column There are 2 kinds of HAWACH HPLC columns: Xcheoma series: with many types of fixed phase; with complete varieties and high quality. C18-Aqueous; C18-universal;C18-low pH; C18-Alkaline; C8-universal; C8-Low pH; C8-Fluorine; C4; C30; C1;Phenyl; PAH; etc Echroma series...

Tuesday, January 21, 2020

Syringe filter is separation equipment which can be combined with a injector to filter out the impurities from the sample of chemically turbid solution. Syringe filter generally consists of a plastic housing and a membrane. The body of syringe filter (plastic housing) is usually made...

Monday, January 20, 2020

1. Why does the retention time sometimes drift and sometimes change rapidly when analyzed by HPLC? How to solve it? About drift ① The temperature control is not good. The solution is to use a constant temperature device to keep the HPLC column temperature constant. ② The mobile phase...

Friday, January 17, 2020

Vacuum filtration system is a kind of vacuum filtration device, which ingeniously combines all the components needed for Vacuum filtration on one body, saving space and simple operation. It is widely used in laboratories, including various microbial tests in food, medicine, beverage...

Tuesday, January 14, 2020

The sample shall be dissolved as much as possible in solvents that are mutually soluble with the mobile phase. Except for special designation, the resolution of the sample HPLC column may be reduced if it is dissolved using a strong solvent. Besides, the sample solution shall be pre-filtered...

Tuesday, January 07, 2020

Hawach HPLC column is composed of a column tube, pressure cap, clamping sleeve (sealing ring), the screen plate (filter), joint, screw and so on. The column tube is made of stainless steel. When the pressure is not more than 70 kg/cm2, thick-wall glass or quartz tube can also be used...

Friday, January 03, 2020

Operation of HPLC Columns In daily separation analysis, it is significant to properly use column, or the service life of the column efficiency of it can be directly affected. In the course of column loading, unloading or replacement, strong mechanical vibration should be prevented...

Friday, December 13, 2019

High-perfor mance liquid chromatography (HPLC) was developed on the basis of classical liquid chromatography and introduced gas chromatography theory in the late 1960s. It differs from classical liquid chromatography in that the filler particles are small and uniform, and the small...

Wednesday, December 11, 2019

The HPLC reversed-phase column is made of high-purity and high-strength silica gel by using advanced bonding technology. It has a high surface bonding rate and good peak shape for alkaline and acidic compounds. With a high column capacity and long service life, it is the one for the...

Wednesday, December 11, 2019

Syringe filters are used in a wide range of laboratories to provide fast and efficient water and organic solution filtration solutions. It is made from a variety of membrane filters containing polypropylene housings, and special injection molding processes increase burst pressure...

Wednesday, December 11, 2019

Flow Process of HPLC column First, the solvent in the storage bottle is pumped into the chromatographic system by pump and then output, and then introduced into the sampler after flow and pressure measurement. Second, object to be tested is injected by the sampler, passes through...

Tuesday, December 10, 2019

The protective HPLC columns influence the separation result. First of all, the protective column has a good positive effect on the experiments. Even if the stationary phase is chosen incorrectly, the protective column can also be effective for separation. The protective column is...

Saturday, October 12, 2019

1.Usage HAWACH syringe filter is used with syringes to filter chemical turbid solution samples, most commonly used in chemical HPLC-MS/GC-MS analysis of liquid and air dedusting, sterilization filtration, biological sample preparation, tissue culture media, microbial media, buffer solutions, etc...

Saturday, October 12, 2019

1. Leakage at joint Generally, it can be solved by tightening, cleaning and replacement. 2. Pump leakage Check whether the one-way valve and joint are loose, if loose and tightened (not too tight), check whether the seal of mixer and pump is damaged; 3. Leakage of injection valve...

Thursday, October 10, 2019

The essence of the chromatographic process is the process of distributing the equilibrium of the molecules of the substance to be separated between the stationary phase and the mobile phase. The distribution of the different substances between the two phases will be different, which...

Wednesday, October 09, 2019

Hawach Scientific co., LTD. is a professional technology company integrating analytical chemical product development, manufacturing, sales, and service, Since its establishment, the company has maintained a high speed and steady pace of development, along with scientific and technological...

Wednesday, October 09, 2019

Generally speaking，with the increase of temperature, the viscosity of the mobile phase decreases. The situation will lead to an increase in the transfer rate of the substances. Thus the chromatographic separation effect will be better than before. Although the separation effect has been improved...