ETHYL - 204 ads

Tuesday, September 10, 2019

1. Advantages and disadvantages of commonly used extraction solvents Acetonitrile: easy to salt out; compatible with LC/MS; difficult to concentrate Acetone: not easy to salt out; easy to volatilize, concentrate Ethyl acetate: immiscible with water; less extraction of impurities;...

Tuesday, September 10, 2019

According to the separation mechanism of substances, Chromatography can be divided into adsorption chromatography, distribution chromatography, ion exchange chromatography and the like. The operation mode of the adsorption thin layer chromatography refers to that the adsorption capacity...

Saturday, August 03, 2019

Quantity : 100,000 MT - Price : 50USD

CAS NO.: 868-77-9 - 2-Hydroxyl Ethyl Methacrylate (HEMA) is mainly used for the modification of resins and coatings. Its copolymerization of other acrylic monomers can produce acrylic resins with active hydroxyl groups in the side chains, perform esterification reaction and cross-linking...

Wednesday, July 31, 2019

Solid phase extraction (SPE), developed in the 1970s, can replace the traditional liquid-liquid extraction in many fields and has been applied more and more widely in the laboratory. The common solvent of SPE Hexane, isooctane, tetrahalide carbon, trihalomethane, dihalomethane, tetrahydrofuran...

Monday, July 15, 2019

Laboratory workers use a membrane to filter two phases. Actually, the membrane is a kind of media. According to different aperture sizes, filter membranes can be divided into the microporous membrane, ultrafiltration membrane, nanofiltration membrane a nd reverse osmosis membranes...

Friday, July 05, 2019

When the polarity of the stationary phase is greater than the polarity of the mobile phase, it can be called normal phase partition chromatography or simply normal phase chromatography. If the polarity of the stationary phase is less than the polarity of the mobile phase, it can be...

Monday, July 01, 2019

- RTV-1 Silicone Rubber - RTV-1 silicone is a condensed non conductive silicone rubber that is gradually cured from outside to inside by contacting with moisture in the air. rtv grease-1 silicone rubber are used in bonding, sealing, encapsulating photovoltaic module components including...

Wednesday, June 06, 2018

Quantity : 1 - Price : USD380~650

1.The description of the cheap china suppliers digital turbine flow meter: This cheap china suppliers digital liquid turbine flow meter is used to detect instantaneous flow and total accumulated flow.And it converts the liquids into 4-20mA or pulse signal output. 2.The features of...

Thursday, May 31, 2018

Quantity : 10 Sets - Price : USD 1000~800000

Cold Thermal Shock Chamber Cold Temperature Shock Chamber /application: Customized Vertical Climatic Thermal Shock Test Chamber is used to quickly find the hidden mechanical weaknesses in electronic components when test specimens are exposed to rapid thermal shock condition, and...

Friday, May 25, 2018

Product name: bk-edbp BKH4 CAS NO. 8492312-32-2 Purity: 99.8 Appearance: crystal Package: 1kg/ Aluminum foil bag Application: Research purpose ProductionCapacity: 500 Kilogram/Month Storage: Kept in a cool, dry and ventilated place Port: Shanghai, Guangzhou, Shenzhen,Hongkong Formula...

Tuesday, May 15, 2018

Price : USD 1000~800000/SET

High Low Temperature Humidity Environmental Circulation Test Chamber Technical Parameters: Model TH-80(A~F) TH-150(A~F) TH-225(A~F) TH-408(A~F) TH-800(A~F) TH-1000(A~F) Internal Dimension WxHxD (mm) 400x500x400 500x600x500 600x750x500 600x850x800 1000x1000x800 1000x1000x1000...

Sunday, January 21, 2018

Quantity : 1 TONS - Price : NEGOTIATION

Product Name: Decabromodiphenyl Ethane (DBDPE /DECO) 84852-53-9 Advantages: Environment-friendly, Good FR-efficiency, Low additive, Multi-function Application: HIPS, PE,PP, PBT, PA6, PA66, ABS Package: 25 Kg kraft bag with plastic lining If you have any demand about my products...

Sunday, January 21, 2018

Quantity : 1 TONS - Price : NEGOTIATION

Polyaluminium Chloride PAC MF: [AL2(OH)nCL6-n•xH2O]m HS: 3824909990 CAS: 1327-41-9 Standard: GB15892-2003 Properties: dark brown . Usages: The product is widely used for industrial water and wastewater treatment, such as those containing radioactive substances, lead (Pb + +) chromium...

Sunday, January 21, 2018

Quantity : 1 TONS - Price : NEGOTIATION

Aluminum Chloride CAS Number：7446-70-0 Application: 1.Used as catalyst in organic synthesis, such as medicine, dye, liquid crystal, spices, flame retardant, petroleum cracking, rubber synthesis and water treatment and so on. 2.Used to manufacture pesticide and organic aluminum compounds...

Sunday, January 21, 2018

Quantity : 1 TONS - Price : NEGOTIATION

Brominated Polystyrene Application: This flame retardant provides outstanding thermal stability and electrical performance. It is particularly suitable for engineering plastic applications such as polyesters(PET,PBT,PCT)and polyamides(nylons).It has outstanding thermal stability ...

Sunday, January 21, 2018

Quantity : 1 TONS - Price : NEGOTIATION

Sodium Bromate molecular formula: NaBrO3 molecular weight: 150.9 CAS NO.: 7789-38-0 Usage: This product is a strong oxidant, mainly used as printing and dyeing auxiliary, hair-perm agent, chemical agent, or gold solvent in gold mines when used with sodium bromide. If you have any...

Sunday, January 21, 2018

Quantity : 1 TONS - Price : NEGOTIATION

Tetrabromobisphenol A bis (2, 3-dibromopropyl ether) (BDDP) CAS No.: 21850-44-2 Formula: C21H20Br8O2 Molecular Weight: 943.62 Chracteristics: It is white powder, Soluble in dichloromethane, toluene, acetone and insoluble in water and methanol Usage: It is mainly used for plastics...

Sunday, January 21, 2018

Quantity : 1 TONS - Price : NEGOTIATION

DBNE(2,2-Dibromo-2-Nitroethanol): Chemical Name: 2,2-Dibromo-2-Nitroethanol(DBNE) Molecular formula: C2H3Br2NO3 Molecular Weight: 248.87 Cas No.: 69094-18-4 Uses: This product belongs to bromine compounds, is an efficient antiseptic fungicide, widely used in industrial circulating water...

Sunday, January 21, 2018

Quantity : 1 TONS - Price : NEGOTIATION

XPS Flame Retardant Masterbatch， XPS flame retardants Product Introduction: CAS NO.: 3194-55-6 Flame retardant masterbatch is produced by flame retardant hexabromocyclododecane with polystyrene as carrier after the plasticizing granulation,and the content of flame retardant can reach to 80%...

Sunday, January 21, 2018

Quantity : 1 TONS - Price : NEGOTIATION

Sodium Bromide molecular formula: NaBr molecular weight: 102.9 CAS NO: 7647-15-6 Usage: : This product is used for making sensitive emulsion of photographic film and for making medicinal intermediates in medico-industries, e.g. diuretic , sedative etc. It is also used as bromide...

Friday, January 19, 2018

Quantity : NEGOTIATIO - Price : NEGOTIATION

DBNPA (2.2-Dibromo -3 - Cyanide (Nitrile) C-based amide): CAS NO.: 10222-01-2 Usage: biocides in broad spectrum. It is widely used in industrial circulating water system, large air-condition and the large center of sewage treatment to eliminate microorganism and alga and shuck off clay...

Friday, January 19, 2018

Quantity : NEGOTIATIO - Price : NEGOTIATION

Bronopol (2-Bromo-2-nitro-1,3-propanediol): pharmaceuticals-Bronopol Bactericide-Bronopol Antiseptic-water treatment-bactericide-Bronopol Preservative agent-Bronopol Paper industry-Bronopol Fungicide-Bronopol Water Treatment-(2-Bromo-2nitropropan-1,3-diol) Molecular formula: C3H6BrNO4...

Tuesday, December 19, 2017

- L–1,4-BDO - - Introduction - CAS: 110-63-4Molecular formula: C4H10O2Molecular weight: 90.12 - Product Properties - The flammable liquid of colorless and oil-state in nature, it can be dissolved and mixed in water, methanol, ethanol, acetone and slightly soluble in ethyl ether...

Friday, September 15, 2017

Application This machine is applied to recover and purify various high-precision lubricating oil such as hydraulic oil, mechanical oil, coolant oil, gear oil, heat treatment oil, industrial oil, mineral oil and so on. The purifier can fast degas, dewater, and remove the impurity and...

Tuesday, February 14, 2017

Quantity : EEP Cas No - Price : as negotiated

EEP( Ethyl 3-Ethoxypropioate) EEP has been widely used in coating, it is high performance ,low volatility ether ester solvent, has wonderful solubility for most of resin of coating.EEP contains ether ester active group and propionyl group, linear structure , propionyl group, these...

Tuesday, February 14, 2017

Quantity : Ethyl 3-et - Price : as negotiated

Ethyl 3-ethoxypropionate; Propinicacid ,3- ethoxy, ethyl ester(6CI,7CI.8CI); 3-Ethoxypropionic acid ethyl ester ,Ektapro EEP, Description: EEP (Ethyl 3-Ethoxypropionate )has been widely used in coating ,it is high performance , low valatility ether ester solvent, has wonderful...

Thursday, December 08, 2016

Product Details 1 Product Name Medicine terminalia chebula extract 2 Botanical Source Terminalia chebula Retz 3 Solvent Used Ethanol & Water 4 Assay: TLC 5 Specification 10: 1, 5: 1 Chemical Physical Control Analysis Item Specification Result Order Characteristic...

Wednesday, November 30, 2016

Quantity : 100 boxes

Why need REAL PLUS® Whitening Cream? Because of air-condition, computer radiation, environmental pollution, reversal of season etc during the day, your tender face skin has been badly damaged! So causing pachylosis, wrinkle, acne is not surprising! For your charming skin, from now on...

Tuesday, November 15, 2016

Quantity : 1SET - Price : USD4000

applicable industries: RT-302 Desktop constant temperature and humidity test chamber applied to test the products quality, such as electronic, plastic products, electrical appliances, instruments, food, vehicles, metals, chemicals, building materials, aerospace, medical care .....

Friday, July 08, 2016

Quantity : 50 tons pe

Curcumin is extracted from Curcuma Longa rhizome, with dark yellow surface, shriveling texture and dark orange fracture area. It is widely used in India and China as one of anti-inflammatory remedies, and also used as spice, therapeutic drug and textile dyestuff. India and other...