CHROMATOGRAPHY - 267 ads

Saturday, May 18, 2024

4-colors 600mm Flexo printing machine Sample picture Use: This machine is suitable for printing such packing materials as polyethylene, polyethyl ene plastic bag glass paper and roll paper etc. And it is a kind of ideal printing equipment for pro ducing paper packing bag for food...

Friday, May 17, 2024

4-colors 600mm Flexo printing machine Sample picture Use: This machine is suitable for printing such packing materials as polyethylene, polyethyl ene plastic bag glass paper and roll paper etc. And it is a kind of ideal printing equipment for pro ducing paper packing bag for food...

Friday, May 17, 2024

2-colors 600mm Flexo printing machine Printing Sample picture Use: This machine is suitable for printing such packing materials as polyethylene, polyethylene plastic b ag glass paper and roll paper etc. And it is a kind of ideal printing equipment for producing paper...

Friday, May 17, 2024

Use: This machine is suitable for printing such packing materials as PE, PP bag, cellophane and roll pap er, etc. It is a kind of ideal printing equipment for producing paper packing bag for food, supermar ket handbag, vest bag and clothes bag, etc. Characteristics: 1.Reasonable structure...

Thursday, May 16, 2024

Product Details Basic Info. Model NO.: YTC-61000 Type: Ink Jet Embossing Structure: Rotary Letterpress Structure: Satellite Application: Flexible Packaging Printing Automatic Grade: Automatic Printing Speed: 150m/mim Product Name: 6 Color Flexo Printing Machine Doctor Blade: Chamber...

Thursday, May 16, 2024

4-colors 600mm Flexo printing machine Sample picture Use: This machine is suitable for printing such packing materials as polyethylene, polyethyl ene plastic bag glass paper and roll paper etc. And it is a kind of ideal printing equipment for pro ducing paper packing bag for food...

Thursday, May 16, 2024

4-colors 600mm Flexo printing machine Use: This machine is suitable for printing such packing materials as polyethylene, polyethyl ene plastic bag glass paper and roll paper etc. And it is a kind of ideal printing equipment for pro ducing paper packing bag for food, supermarket handbag...

Thursday, May 16, 2024

Quantity : 1 set - Price : USD 1000-10000

Product Details Basic Info. Model NO.: YTBSeries Embossing Structure: Rotary Letterpress Certificate: CE Guarantee: One Year for Free, Long Life Service Export Markets: Global Additional Info. Trademark: LISHENG Packing: Stretch Film Packed Standard: CE Origin: China HS Code...

Saturday, May 11, 2024

Quantity : One or mor - Price : Get latest price

Four-color High Speed Flexographic Printing Machine Use: This machine is suitable for printing such packing materials as polyethylene, polyethylene plastic b ag glass paper and roll paper etc. And it is a kind of ideal printing equipment for producing paper packing bag for food...

Friday, May 10, 2024

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

- Introduction: MS Nylon membrane filter is a supported, naturally hydrophilic membrane designed to wet out evenly and retain its superior strength during use in general filtration or medical assays. Nylon membrane disc diameters range from 13mm to 293mm, pore size from 0.1um to 5...

Sunday, May 05, 2024

6-colors 600mm Flexo printing machine Use: This machine is suitable for printing such packing materials as polyethylene, polyethyl ene plastic bag glass paper and roll paper etc. And it is a kind of ideal printing equipment for pro ducing paper packing bag for food, supermarket handbag...

Friday, April 19, 2024

Supports custom processing of various styles of PFA accessories.Suitable for semiconductor photovoltaic equipment, fluid equipment, as well as instruments such as chromatography, spectroscopy, mass spectrometry, etc #semiconductor #ICPMS #PFAValue #teflon Mobile: +86-153 6614 0844...

Monday, April 08, 2024

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

Ovalbumin is the main protein found in egg whites. It belongs to a family of proteins called albumins. Ovalbumin serves as a source of nutrition for the developing chick embryo inside the egg. It is also commonly used in biochemical and immunological research due to its stability...

Tuesday, April 02, 2024

Clarifies liquids and sterilizes and filters impurities. Filters of different materials can be replaced repeatedly and are widely used in laboratory liquid chromatography pre-filtration detection processes. Mobile: +86-153 6614 0844 Wechat/Whatsapp: +86-153 6614 0844 Mail: ClairBZH@gmail...

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

Dynamic axial compression column are the most mature areas of preparative chromatography using the technology of packing column, dynamic axial compression columns can be self-loading, maintain their own pressure, discharge column by oneself, have the function of the chromatographic...

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...

Thursday, March 28, 2024

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

Continuous dissociation technology is developed by combining the traditional fixed resin bed technology with the continuous counter-current system. This technology concentrates each process of the traditional resin chromatography in one system and operates the multi-stage separation...

Thursday, March 28, 2024

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

Continuous chromatography systems By implementing this approach, the utilization rate of the ion exchange column can be enhanced, resulting in increased product concentration and reduced mobile phase consumption. Moreover, it contributes to prolonging the service life of the resin...

Friday, March 22, 2024

Bio-Link provides a range of major bioprocess product to biomanufacturers around the world, including cell culture, single-use biotechnology, and separation and purification products. We are committed to providing our customers with reliable bioprocess equipments and consumables that...

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, February 03, 2024

Keyto miniature proportional valve is a microvalve developed by the medical industry, IVD, or laboratory to control the fluid proportion, especially suitable for proportional control in medical ventilators or fluid control in ventilation systems, like oxygenerator, reservoirs, anesthesia...

Saturday, January 20, 2024

Quantity : no limited - Price : USD900-USD2000/MT

What Is Melting Point of Wax? High melting point paraffin wax is ideal for various industrial fields, such as paper, PVC, adhesives, coating, ect. King Honor's wax with high melting point has the melting point of hard paraffin from 64℃ to 72℃ with white color, low oil content, and...

Friday, January 05, 2024

Puredex G is a series of size exclusion chromatography resins with a cross-linked dextran-based matrix, which can separate different molecules by molecular weight difference. This series of chromatography resins are suitable for desalting and buffer exchange of various biomolecules...

Friday, January 05, 2024

Electrokinetic axial compression large chromatography column is the most commonly used and even necessary method for the separation and purification of biological macromolecules in drug development and mass production. LK-Auto series tomographic columns are easy to install, simple to use...

Friday, January 05, 2024

In the downstream separation and purification process of biopharmaceuticals, chromatography is one of the indispensable separation methods. Bio-Link provides customers with 5 different chromatography solutions, including gel filtration chromatography, ion exchange chromatography,...

Friday, January 05, 2024

Column chromatography is a very common separation and purification method in drug development and mass production. It is widely used in various separation and purification steps. To meet the purification needs of our biopharmaceutical customers, we have designed the BLK-BP series...

Friday, January 05, 2024

Features and Benefits of Chrom-LinX Laboratory Grade Empty Columns User-friendly design: Ergonomically design the components for easy grasping and handling. Clear view: Equipped with a measurement scale of glass tube for easy to predict and reach a predefined bed height and improving...

Thursday, January 04, 2024

Hanbon advanced chromatography systems has reliable performance and flexible configuration, and can provide Bio-Lab® laboratory chromatography system, Bio-Pro® pilot&process chromatography system, etc. ommon Principles Of Process Scale-Up: Linear Scale-Up Linear scale-up is...

Tuesday, November 14, 2023

ASPE Ultra series Automated Solid Phase System is an automated sample preparation system designed for analysis of organic substances in water samples, including drinking water, tap water, underground water, surface water as well as wastewater. RayKol ASPE Ultra automated solid phase...

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...

Wednesday, September 06, 2023

Quantity : 200 units, - Price : $60~$20,000

CIC-D100 Ion Chromatograph for Halogen-free Detection Industry In terms of instrument analysis, ED-XRF (X-ray fluorescence spectrometer) and CIC (ion analyzer) are the most commonly used analytical instruments for analyzing halogen concentration. The X-ray Fluore... Gas Chromatography-mass...

Thursday, August 24, 2023

The human immunodeficiency virus, also known as HIV, is a retrovirus that causes human cellular immune system defects. The virus attacks and gradually destroys the human immune system, leading to pathogenic bacteria and rare tumors, with fast infection and a high fatality rate....

Friday, July 28, 2023

Copper extractants are organic compounds used to selectively extract copper ions from ores and concentrates. They form chemical complexes with copper ions, allowing the separation of the metal from other minerals. Copper extractants play a crucial role in hydrometallurgical processing...

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...

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...

Wednesday, July 05, 2023

- Features Of Gas Chromatography-mass spectrometer for sale 1. High performance turbo molecular pump with large pumping speed is adopted, and the ion source, quadrupole and detector are separated into two independent chambers to maintain an excellent vacuum environment for quadrupole...

Wednesday, July 05, 2023

In terms of instrument analysis, ED-XRF (X-ray fluorescence spectrometer) and CIC (ion analyzer) are the most commonly used analytical instruments for analyzing halogen concentration. The X-ray Fluorescence Spectrometer (XRF) uses the X-ray beam to irradiate the test piece to excite...

Tuesday, June 27, 2023

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

CAPSO-NA CAS NO.102601 34 3 CAPSO sodium salt is a zwitterionic biological buffer, which belongs to one of Good's buffers. Its effective pH range is 8.9-10.3, and it belongs to a weak alkaline buffer. For the preparation of CAPSO buffers for western blotting and immunoblotting experiments...

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...

Thursday, June 08, 2023

Price : USD12~USD2000

Keyto proportional valve is a microvalve developed by the medical industry, IVD, or laboratory to control the fluid proportion, especially suitable for proportional control in medical ventilators or fluid control in ventilation systems, like oxygenerator, reservoirs, anesthesia delivery ...

Tuesday, May 09, 2023

The LC-MS untargeted metabolomics is used for unbiased detection of metabolites in samples by liquid chromatography-mass spectrometry and to obtain their qualitative and quantitative information. Technology Introduction The main application is for comparing the case group with the...

Wednesday, March 22, 2023

Quantity : 30 million - Price : USD0.0152-USD0.0654

The two part syringe is assembled by barrel, plunger, with/without hypodermic needle. There is a constriction near the barrel's handles which is a well-defined plunger stop and can effectively prevent the plunger from accidentally pulling out during use. The hypodermic syringes used...

Wednesday, February 22, 2023

Immune chromatography with colloidal gold labeling method is a fast, qualitative, device-free testing for different kinds of scences. Applying colloidal gold antibody test to COVID-19, two main streams are serological and antigenic tests. Colloidal Gold Rapid Test Series SARS-CoV-2/Flu...

Saturday, February 11, 2023

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

MOPSO BUFFER CAS NO.68399 77 9 MOPSO is a zwitterionic organic chemical buffer that does not chelate with certain metal ions and is used in biochemistry and molecular biology. In biological experiments, as an important pH-stabilizing reagent, it can be used to prepare stable substrate...

Saturday, February 11, 2023

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

MOPS-NA CAS NO.71119 22 7 MOPS sodium salt is a derivative of MOPS buffer, like other biological buffers, it mainly plays a role in regulating the pH of the reaction environment in biochemical detection, because most biochemical reactions are originally carried out in the organism...

Saturday, February 11, 2023

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

MOPS BUFFER CAS 1132 61 2 3 morpholinopropanesulfonic acid belongs to Good's buffer and can be used not only as a buffer system for cell culture media, but also as a common electrophoresis buffer and protein purification chromatography buffer. MOPS Detailed Description MOPS buffer...

Saturday, February 11, 2023

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

MES-NA CAS NO.71119 23 8 MES sodium salt is one of the good's buffers that can be used to use systems containing metal ions, because it forms weak bonds with Ca, Mg and Mn, and its binding with Cu (II) is negligible. It is suitable for electrophoresis, tissue culture medium and...

Saturday, January 14, 2023

Quantity : 1-100 - Price : USD 50000-5000000

HVD-CHRO-Q series continuous chromatography system, also known as the chromatography data system, is the use of the mixture in the flow through the chromatography separation resin (separation agent), due to the different adsorption capacity of components of chromatography for mixture...

Wednesday, November 02, 2022

Super Flangeless Fittings, an advanced type of our flangeless fittings, are made of two different configurations with the difference of with or without lock ring, all of them are workable for tubing OD1.6/2.0/.5/3.0/3.175/3.2mm. PEEK is a type of material with hard mechanical strength...

Thursday, October 13, 2022

Vials are smaller glass vessels, though plastic is becoming more popular. The bottom is usually flat as opposed to testing tubes, and the prescription vial is the standard term given that it is mostly used in medicine. Modern vials are made with polypropylene. Primarily used in the...

Tuesday, September 20, 2022

PFA microcolumn, also known as isotope ion exchange column, is specially designed for isotope ion exchange, providing different capacities, pipe diameters and lengths to meet different needs of customers. This product is made of PFA. It is designed to meet your needs by combining...

Wednesday, July 27, 2022

Quantity : 1000 - Price : 80,00 €

PFA microcolumns, also known as isotope ion exchange columns, are specially designed for isotope ion exchange, with different capacities, pipe diameters and lengths to meet the different needs of customers. This product is cast with PFA material, designed to meet your needs by combining...

Wednesday, June 22, 2022

Product Name Troponin I (cTnI) Test Kit (Immunofluorescence Chromatography) Purpose To detect the cTnI in human plasma/serum/whole blood in vitro quantitatively.For Professional Use only. Principles of Detection The cTnI Test is a fluorescent lateral flow immunoassay. The test consists of...

Wednesday, May 18, 2022

Quantity : 15000 piec - Price : $5-100

Kaiping healthwise health food co ltd natural botanical extracts are produced by extracting various plants' effective chemical constituents out of their different part using different solvents (as water, ethanol,co2, etc), Each one is standardized to guarantee consistency between batches...

Friday, April 15, 2022

Quantity : 5000 ton/p - Price : ＞0.8USD

Bright Annealed Tubes Description Annealed stainless steel tubing is a kind of high precision steel tube material after finishing or cold rolling. Due to the advantages of no oxide layer both inside and outside wall, no leakage under high pressure, high precision, high finish degree...

Saturday, April 09, 2022

Price : 10-30USD

The two part syringe is assembled by barrel, plunger, with/without hypodermic needle. There is a constriction near the barrel's handles which is a well-defined plunger stop and can effectively prevent the plunger from accidentally pulling out during use. The hypodermic syringes used...

Thursday, April 07, 2022

Quantity : 1-100 - Price : USD 50000-5000000

HVD-CHRO-Q series single use chromatography system, also known as the chromatography data system, is the use of the mixture in the flow through the high performance chromatography separation resin (separation agent), due to the different adsorption capacity of components of chromatography...

Thursday, April 07, 2022

Quantity : 1-100 - Price : USD 50000-5000000

Advanced crop process engineering machinical types of equipment, testing instruments, sophisticated manufacturing production technology in agriculture, and strict & perfect quality management system. Hongvadar agricultural product processing held the ISO9001 quality system certification...

Friday, April 01, 2022

Hipro's competitiveness over our automated immunoassay analyzer, one of the types of point of care testing, is rooted in our self-innovated key technologies, an acute sense of cutting-edge technology, an excellent management team, and a strict quality control system. As a professional...

Tuesday, December 21, 2021

Quantity : 1-100 - Price : USD 50000-5000000

Hongvadar is advanced in many areas, such as being the corn starch production plant and small scale tomato processing plant. HVD-CHRO-Q series chromatography separation system, also known as the chromatography data system, is the use of the mixture in the flow through the chromatography...

Tuesday, December 21, 2021

Quantity : 1-100 - Price : USD 50000-5000000

HongVader as agricultural processing plants play the roles of corn, sweet corn processing plant, potato processing plant, starch of corn and wheat processing plant, taking wheat, rice, cassava processing, msg project, and production lines of ethanol glucose, DMH, fructose, sorbitol...

Saturday, October 30, 2021

Similar Products Heat Exchanger Tubes 100% PMI test, 100% Hydraulic test, 100% inner cleaned by sponge, 100% Dimension test, 100% Surface test. Special Shaped Tubes Huashang stainless steel tube size, pipe finishing and material as per request of the customer. Hexagon Steel Tubing...

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...

Tuesday, March 31, 2020

SPE technology is a physical extraction process including liquid phase and solid phase based on the theory of liquid-solid chromatography, which uses selective adsorption, selective elution to enrich, separate and purify the sample. In daily application, SPE cartridge can also be...

Tuesday, March 24, 2020

The capacity of the SPE cartridge refers to the adsorption amount of the column packing. For silica-based solid-phase extraction columns, the capacity is generally 1 to 5 mg/100 mg, which means that the column capacity is 1% to 5% of the mass of the packing. The capacity of the bonded...

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

Flash column is usually used for the chromatography experiment to separate the complicated compounds by pressurizing air. The hot air enters the stirring, crushing and drying chamber from the bottom of the dryer at a suitable spraying speed from the inlet pipe, which produces strong...

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...

Sunday, March 15, 2020

Quantity : 200MT/mont - Price : 30 USD/Kilogram

Classification. Organic Acid Refractive index.1.3 Cas NO.: 76-05-1 Flash Point: -3 oC Molecular Formula: C2HF3O2 Purity: 99.5% Melting Point: -15%C Appearance: clear liquid Boiling Point: -15.4 °C usage: industrial and medical use Stbilty: Stable. Incompatible with combustible material...

Saturday, March 14, 2020

Quantity : 5000 ton/p - Price : ＞0.8USD

Product description Bright Annealed Tubes Description Bright annealed stainless steel tube is a kind of high precision steel tube material after finishing or cold rolling. Due to the advantages of no oxide layer both inside and outside wall, no leakage under high pressure, high precision...

Thursday, March 12, 2020

Most filter paper is made of cotton fibers and is made in different ways for different purposes. Because it's made of fiber, As a result, its surface has numerous small holes through which liquid particles can pass, while larger solid particles cannot. This property allows the mixing...

Wednesday, March 11, 2020

Column chromatography is found important in the labs due to its factors of easy packing procedure, low pressure of operation and low costs as well. Depend on the way that the solvent flows down the column, we can find two different kinds of column chromatography: one is gravity column...

Tuesday, March 10, 2020

1.Mixed-mode cation exchange r: A mixed adsorbent having strong cation exchange and reverse retention, which is highly selective for alkaline analytes, stable in organic solvents. 2.Weak cation exchanger: Weak cation exchange and reverse retention complex mechanism, which is used...

Tuesday, January 21, 2020

The FLASH column is the heart of the FLASH purification system, like an engine in a car. If you want to do a good job, you must first sharpen the tools. Choosing the correct FLASH purification column is the most critical part of the whole purification process. And choosing the right...

Thursday, January 16, 2020

Highlights of HAWACH flash column HAWACH flash column is packed with proprietary technology for automatic packing. The column bed is compact and uniform, has no “ditch flow effect”, with high resolution and good reproducibility. Different particle sizes of normal phase and reversed-phase...

Friday, January 10, 2020

When selecting the filter paper, people should combine the Rf value of the separated object. For the compounds with slight differences in Rf values, slow filter paper can be used to separate the compounds clearly because using the fast filter paper will cause the inseparable weight...

Friday, January 03, 2020

The vacuum filters are mainly applied for filtration of mobile phase of High-Performance Liquid Chromatography, particulate and microbiological contamination. They are the basic instruments in the chemistry lab. Particularly, the glass solvent filter can make filtration of all kinds...

Friday, December 13, 2019

FLASH column is a sample pretreatment technology developed by the combination of liquid-solid extraction and column liquid chromatography. It is mainly used for sample separation, purification and concentration which has been widely used in medicine, food, environment, commodity inspection...

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...

Thursday, December 12, 2019

QuEChERS is a streamlined technique that makes it easier and cheaper for analytical chemists to examine the pesticide residues in agricultural products. It is exploited by many professors of the American Ministry of Agriculture in 2003, especially Anastassiades. This technique shares...

Thursday, December 12, 2019

As a unique chromatography technique that pushes solvent through the column uses by compressed gas or a pump, flash column chromatography is highly appreciated as an advance technique because it makes flow rates of the solvent much faster than the gravity flow. Developed in the 1970's...

Thursday, December 12, 2019

Because the cotton fiber in the filter paper has a good affinity with water, it can absorb about 22 percent of the water, in the form of a hydrogen bond with cellulose water has 6 to 7 percent. In general, it is very difficult to remove. Compared with the affinity with water, 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...

Wednesday, November 13, 2019

Quantity : 5000 ton/p - Price : ＞0.8USD

Product description Bright Annealed Tubes Description Bright annealed stainless steel tube is a kind of high precision steel tube material after finishing or cold rolling. Due to the advantages of no oxide layer both inside and outside wall, no leakage under high pressure, high precision...

Saturday, October 12, 2019

It is well known that each laboratory has a large number of samples to be tested by liquid or gas chromatography. Consequently, there are lots of sample vials that need to be cleaned during the test even though it's time-consuming. Since the cleanliness of the vials may affect the test results...

Saturday, October 12, 2019

The stationary phase, commonly known as the fillers, is the most central part of chromatography. People need to determine three aspects of stationary phase information in turn before determine how to select the kind of the stationary phase of the flash purification column. They are matrix type...

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

Flash column chromatography is an easy and fast method to separate the complex mixtures. It can not only make the separation effect better but also shorten the time. How to put the sample into the flash column is of high importance in the preparation process of flash column chromatography...

Wednesday, October 09, 2019

Solid phase extraction (SPE) is used to reduce sample matrix interference and improve detection sensitivity. The separation selectivity of the solid phase depends on the retention strength of the components that can be retained, so the selection of the solid phase will depend on the...

Tuesday, October 08, 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...

Monday, September 30, 2019

Syringe filters are widely used in the laboratory. They do not need to change membranes and clean filters, thus eliminating complex and time-consuming preparations. It is mainly used for sample pre-filtration, clarification and bacterial filtration of particles, liquids and gases...

Monday, September 30, 2019

Features of Sample Vial Sample vial supplied by Hawach has its special merits, concretely speaking, our company always has a keen sense of smell to the market, keep continuously improve our product quality and production efficiency. Whole sample vials are featured in good quality control...

Monday, September 30, 2019

SPE is a kind of sample production technology which is more and more useful in which many problems related to liquid and liquid extraction could be avoided, such as the incomplete separation, non-quantitative recycle, the use of expensive and fragile glass vessels, massive organic...

Sunday, September 29, 2019

Hawach glass solvent filter is made of high-quality borosilicate glass, which can be used to filter various aqueous solutions, organic substances, and corrosive liquids. The glass Solvent filter is available in one liter and two liters and consists of a triangular liquid collection bottle...

Sunday, September 29, 2019

There are many types of chromatographic methods, and different classification methods can be used from different perspectives. Classification from the state of two phases. In the chromatography, the mobile phase may be a gas or a liquid, and thus can be classified into gas chromatography...

Saturday, September 28, 2019

Depending on the packing of the HPLC column. The following column types are available on the market: 1. Silica gel HPLC column: Silica gel is the earliest chromatographic column packing used in liquid chromatography. It has a wide range of applications. However, it can only be used...

Friday, September 27, 2019

Reliable flash columns play a decisive role in a good chromatographic separation method, which ensures complete separation of valuable compounds and specific impurities. Choosing the right flash column is the most critical part of the purification process. There are two aspects should...

Thursday, September 26, 2019

- Reversed-Phase Principle - The reversed-phase filler is a kindly of nonpolar filler such as C4, C8, C18 aliphatic chain which is bonded on the silica gel. Nonpolar or hydrophobic compounds are strongly reserved, while polar samples are weakly reserved and go through the flash reversed-phase...

Wednesday, September 25, 2019

Knowledge of QuEChERS Quick, Easy, Cheap, Effective, Rugged, Safe are generally abbreviated to QuEChERS. It is a sample pretreatment method for agricultural product detection. It is used to absorb and remove impurity, and the operational principle is similar to high-performance liquid...

Tuesday, September 24, 2019

Suitable for a general flash chromatography method analysis, the flash column chromatography is the method of isolating a component from a mixture and purify it as well. Different from the old method: long column chromatography technology, flash column chromatography can separate...

Tuesday, September 24, 2019

Ion Chromatography is one of high-performance liquid chromatography (HPLC) and is a liquid chromatography method for the analysis of anions and cations. In a narrow sense, ion chromatography is a chromatographic method in which a low exchange capacity ion exchange resin is used as...

Monday, September 23, 2019

Let's take a look at two common adsorbents for adsorption chromatography. Polyamide The polyamide adsorbent can be divided into nylon 6 (polycaprolactam) and nylon 66 (polyhexamethylene adipamide), which are hydrogen bond adsorption and semi-chemical adsorption. There are many amide...

Saturday, September 21, 2019

Quantity : 5000 ton/p - Price : 0.8usd

Product description Precision Tubes Description The traditional annealing approach is performed in a so referred to as open furnace, where the atmospheric oxygen reasons scaling of the heat treated materials, which makes the surface rough. HUASHANG STEEL has developed a one of a kind...

Saturday, September 21, 2019

Quantity : 5000 ton/p - Price : 0.8usd

Product description Bright Annealed Stainless Steel Tubing Description The traditional annealing approach is performed in a so referred to as open furnace, where the atmospheric oxygen reasons scaling of the heat treated materials, which makes the surface rough. HUASHANG STEEL has...

Friday, September 20, 2019

Syringe filter can be used in the analysis of high performance liquid chromatography and IC. It is an important step in sample pretreatment to filter sample solution. The syringe filter with high quality is produced by using the most advanced detection means and production technology...

Friday, September 20, 2019

Solid phase extraction is essentially a liquid chromatographic separation. The main separation mode is the same as that of liquid chromatography. It can be divided into normal phase (the polarity of the adsorbent is greater than the polarity of the eluent), and the reverse phase (the...)

Thursday, September 19, 2019

The determination of 10 plant polyphenols in tobacco samples by solid phase extraction and high-performance liquid chromatography as below: Plant polyphenols are important substances in tobacco. The content of polyphenols in tobacco has an important influence on tobacco quality. Therefore...

Thursday, September 19, 2019

Hawach scientific always focus on providing high-quality laboratory instruments, consumables, and services for users in the field of life medicine and chromatography. We adhere to the customer as the center, rapid response to customer needs, continue to create long-term value for...

Thursday, September 19, 2019

It is a liquid chromatography using a chemically bonded phase as a stationary phase, which is formed by chemically reacting an organic molecule to a surface of a carrier (silica gel) by a covalent bond to form a uniform, firm monolayer thin layer. The separation mechanism is both...

Wednesday, September 18, 2019

In the analysis of HPLC, the packing size of chromatographic column is small, and it is easy to be blocked by impurity particles. Therefore, samples and solvents need to be pre-filtered to remove particulate pollutants and protect chromatographic columns and instruments. Ion chromatography...

Tuesday, September 17, 2019

Adsorption chromatography uses the difference in adsorption capacity of substances in stationary phase adsorption to achieve separation of the mixture. The chromatographic process of adsorption chromatography is the process in which the mobile phase molecules compete with the material...

Monday, September 16, 2019

Reversed phase chromatography (RP) is the most widely used technique in high-performance liquid chromatography (HPLC) up to now, mainly because it is suitable for the analysis of most of them. Nonpolar substances and many ionizable and ionic compounds. Most stationary phases used...

Monday, September 16, 2019

The extraction is divided into liquid phase extraction (LLE) and solid phase extraction (SPE). SPE technology is a column chromatography separation process. The technology is a combination of liquid-solid extraction and column liquid chromatography. The combination of this technology...

Thursday, September 12, 2019

Filtration is a process in a chemical experiment, separating solids from liquids or gases through a filter medium. Only the fluid or the gas is allowed to pass, not the solid. And the key words of filtration terms can help you understand how the filter works. Hydrophilic, called “water-loving”...

Thursday, September 12, 2019

As an important branch of chromatography, high-performance liquid chromatography (HPLC) has become an important application of separation and analysis technology in the fields of chemistry, medicine, industry, agriculture, commodity inspection, and law inspection. Features of high-performance...

Wednesday, September 11, 2019

Flash chromatography is one of the methods in the preparation of liquid chromatography and is usually used for the separation of organic compounds. Flash chromatography has the advantages of ease of operation, low cost, and fast analysis. There are few other techniques for purifying...

Wednesday, September 11, 2019

When storing the column, the column should be filled with acetonitrile or methanol, and the column joint should be tightened to prevent the solvent from evaporating and drying. It is absolutely forbidden to leave the buffer solution in the HPLC columns for an overnight or longer period of time...

Wednesday, September 11, 2019

The structure of the SPE cartridge is mainly divided into four parts: column tube, sieve plate, adsorbent and supporting device. The characteristics of each part are briefly introduced below. Column tube: A carrier for the adsorbent, made from serum grade polypropylene. Commonly used...

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...

Friday, August 30, 2019

Quantity : 100pcs - Price : 2.35usd

Crimp Neck Vials ND11 Part No. V1117(Economy) V1113(Expansion 33) V1127(Economy) V1123(Expansion 33) V1137(Economy) V1135(Expansion 51) V1147(Economy) V1145(Expansion 51) Description 1.5ml wide opening crimp-top vial, clear 11.6*32mm USP 1 1.5ml wide opening crimp-top...

Friday, August 30, 2019

Quantity : 100pcs - Price : 3.12usd

Short Thread Vials ND9 Part No. V917(Economy) V913(Expansion 33) V927(Economy) V923(Expansion 33) V937(Economy) V935(Expansion 51) V947(Economy) V945(Expansion 51) Description 1.5ml wide opening screw vial,clear 11.6*32mm USP1 1.5ml wide opening screw vial with write on patch...

Friday, August 16, 2019

The membrane filters of different materials have different characteristics. Here are as follows: - Nylon (NY) Material - Features: hydrophilic, resistant to some organic materials, not strong acid, protein binding capacity is high, so it is not suitable for protein recovery. Application...

Thursday, August 15, 2019

The similarities FLASH and SPE are all column chromatography separation technology. FLASH is a fast separation mode for preparative chromatography, using optimized pre-packed low and medium pressure columns for chromatographic separation. The separation mechanism, stationary phase...

Wednesday, August 14, 2019

Flash column chromatography is an alternative to long column chromatography developed in 1978. This method aims to separate the components from the mixture and thereby purify it. It is built from existing long column chromatography techniques and is time-consuming and often unsatisfactory...

Monday, August 12, 2019

With the continuous development of the sample vials, more and more types and functions of the sample vials appear in laboratory analysis. The capacity of sample vials is bigger and bigger. The sampling speed of the sample vials is faster and faster. The sampling accuracy is higher and higher...

Monday, August 12, 2019

The rapid chromatographic method is a technology widely used in the separation and purification of active target compounds, such as organic compounds, natural products, and biological macromolecules. Rapid chromatographic method has the advantages of easy-operation, low-price, and fast-analysis...

Monday, August 12, 2019

The system of an HPLC column is composed of a liquid, a reservoir, a pump, a sampler, a column, a detector and a recorder. - The packing material of HPLC columns - The packing material has high carbon content, small surface polarity, very low chemical purity and high surface separation...

Friday, August 09, 2019

Reversed-phase chromatography (RPC) contains any chromatographic method using a non-polar stationary phase. The word “reverse” has a historical background. In the 1970s, most liquid chromatography was performed on unmodified silica or alumina. Their surface chemistry is hydrophilic...

Thursday, August 08, 2019

More than 90% of gas chromatographic problems occur in the inlet, and it is necessary to see which problems may occur in the inlet. Problem No.1: Leak If there is a leak, the pressure on the inlet may not be maintained, and the instrument will alarm. If the problem cannot be solved in time...

Thursday, August 08, 2019

As a single-use filter cartridge, Syringe filters are utilized to remove particles from the sample prior to high-performance liquid chromatography (HPLC). The scientists like to attach them to the end of the syringes for general filtration, as syringe filters are affordable and convenient...

Thursday, August 08, 2019

Flash columns adopt high-capacity silica gel for precise filling, which has very excellent separation and purification performance. The specific surface area of high-capacity spherical silica gel is 40% higher than that of ordinary spherical silica gel, and the sample loading is twice...

Thursday, August 08, 2019

Chromatography is a separation and analysis method and the separation is the core. Therefore, HPLC columns are the heart of the chromatographic system. The requirements for the column are high efficiency, good selectivity and fast analysis speed. Generally, the column length of about...

Wednesday, August 07, 2019

Food safety testing is a major issue related to people's livelihood. In recent years, the QuEChERS method has been widely used in the pretreatment of food safety detection samples. In addition, the method has been applied to trace analysis. QuEChERS Application The international application...

Tuesday, August 06, 2019

Quantity : 100000TM - Price : 50USD

Uses of Diethanolamine Diethanolamine similar to triethanolamine (T775580) is used as a surfactant. It also has the potential to be a corrosion inhibitor by means of chemisorption. Definition of Diethanolamine ChEBI: A member of the class of ethanolamines that is ethanolamine having...

Tuesday, August 06, 2019

In recent years, the application of HPLC in inorganic analysis has developed rapidly, and the use of flash columns has been more and more widely because of a method that can rapidly determine heavy metal elements in environmental water samples. Matters needing the attention of flash columns 1...

Tuesday, August 06, 2019

HPLC is more suitable for the separation and analysis of substances with the high boiling point, poor thermal stability, physiological activity, and relatively large molecular weight. Hawach HPLC columns are widely used in the analysis of nucleic acid, peptide, lactones, polycyclic...

Saturday, August 03, 2019

In the application of membrane separation technology, the microporous membrane is the most widely used membrane variety. It is simple and fast to use and is widely used in many fields such as scientific research, food testing, chemical industry, nanotechnology, energy, and environmental...

Thursday, August 01, 2019

Hawach standard diaphragm vacuum pump, with advanced design, high working efficiency, and long service life, is a new generation of high-tech integrated products. It is also used in medical and pharmaceutical products in addition to suitable applications for circulating water vacuum...

Thursday, August 01, 2019

It is important for the experimenters to use and maintain chromatographic columns correctly. They should focus on many some things so as to protect the columns in the using process. Here we talk about several attentions. Avoid changing pressure and temperature dramatically and any...

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...

Friday, July 19, 2019

Bonded-phase chromatography is a liquid-liquid chromatography method in which a stationary phase is covalently bound to a carrier particle, which overcomes the mechanical shock in the distribution chromatography, the constant loss of the stationary phase and the gradual change of...

Monday, July 15, 2019

The sample vials were cleaned according to different contamination levels. Generally, the cleaning method is selected according to the degree of pollution. If the cost is adequate, it is best to use a new one every time. Solution method of cleaning sample vials: 1. Rinse with running...

Monday, July 15, 2019

All the technique cores of HPLC from Hawach Scientific are focused on the characteristics of the chromatogram column. Quality Recognition This is shown as the fact that terminal customers have published more than 500 papers on those journals at home and abroad. For famous oversea journals...

Monday, July 15, 2019

The solid phase extraction cartridges (SPE column, or Solid Phase Extraction Cartridges, or SPE cartridges for short) is a sample pretreatment device for extraction, separation and concentration developed from a chromatography column. Mainly used in sample pretreatment of various foods...

Thursday, July 11, 2019

SPE column or SPE cartridges are based on liquid-solid phase chromatography theory, it is a kind of extraction, separation, concentrated sample preparation unit. Mainly used in sample pretreatment of various foods, agricultural and livestock products, environmental samples and target...

Wednesday, July 10, 2019

Hawach standard diaphragm vacuum pump, with advanced design, high working efficiency and long service life, is a new generation of high-tech integrated products. It is also used in medical and pharmaceutical products in addition to suitable applications for circulating water vacuum...