CHROMATOGRAPHIC - 117 ads

Saturday, June 01, 2024

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

Tuesday, May 07, 2024

Drug of abuse is a major public health concern, and saliva test for drug abuse has gained importance as a non-invasive and easy-to-use screening tool. Saliva based drug tests are commonly used by employers, schools, and law enforcement agencies to detect the presence of various substances...

Saturday, April 13, 2024

Quantity : 800 ton pe - Price : According to differe

formwork and shuttering Different Types of Formwork Shuttering Systems TECON offers different types of formwork systems in construction from framed panels in steel or aluminum to H20 girder and even plastic, for residential & commercial buildings, and civil engineering projects...

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

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

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...

Tuesday, March 26, 2024

For the rapid detection of antibodies to H. pylori in human whole blood or serum. The helicobacter pylori test rapid is a chromatographic immunoassay (CIA) for the rapid determination of antibodies to rapid h pylori in serum and/or whole blood specimens. General Description of H Pylori...

Tuesday, March 26, 2024

The filariasis rapid test is a lateral flow immunoassay for the simultaneous detection and differentiation of IgG and IgM anti-lymphatic filarial parasites (W. Bancrofti and B. Malayi) in human serum, plasma, or whole blood. This test is intended to be used as a screening test and...

Wednesday, February 21, 2024

instant urine drug screen cups is a one-step, rapid screening tests for the qualitative detection of drug(s) and drug metabolite(s) in human urine, which use lateral flow chromatographic immunoassay. These urine drug cups contains membrane strips coated with drug-protein conjugates...

Thursday, January 18, 2024

Name: Trimethylchlorosilane Feature: Trimethylchlorosilane is a colorless or light yellow transparent irritating liquid. Trimethylsilyl chloride cas no: 75-77-4 Technical Data of Trimethylchlorosilane Testing Items Testing Standards Trimethylchlorosilane /% ≥ 99.5 Methyltrichlorosilane...

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,...

Thursday, January 04, 2024

Aspartame ingredients E951 is a natural functional oligosaccharides, no tooth decay, pure sweetness, low moisture absorption, no sticky phenomenon. It does not cause blood sugar significantly higher for diabetics. It is a white, crystalline substances, about 200 times sweeter than sugar...

Wednesday, November 01, 2023

Quantity : 6tons

Hepatitis C Virus (HCV) is a small, enveloped, positive-sense, single-stranded RNA Virus. HCV is now known to be the major cause of parenterally transmitted non-A, non-B hepatitis. HCV rapid test kits diagnostic method is commonly used now. Antibody to HCV is found in over 80% of...

Tuesday, August 22, 2023

Drug Abuse Test Cup (Urine) is a one step, rapid screening tests for the qualitative detection of drug(s) and drug metabolite(s) in human urine, which use lateral flow chromatographic immunoassay. These cups contains membrane strips coated with drug-protein conjugates (purified bovine...)

Saturday, July 15, 2023

Name: Trimethylchlorosilane Feature: Trimethylchlorosilane is a colorless or light yellow transparent irritating liquid. Trimethylsilyl chloride cas no: 75-77-4 Technical Data of Trimethylchlorosilane Testing Items Testing Standards Trimethylchlorosilane /% ≥ 99.5 Methyltrichlorosilane...

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...

Wednesday, June 21, 2023

Price : $0.50 - $4.00 / Kilo

Galacto oligosaccharides powder, is a natural functional oligosaccharide, which exists in animal milk. Using lactose as raw material and by the action of β-galactosidase, the oligosaccharide mixture of galactose molecule is linked by β(1-4),β(1-6), and β(1-3) bonds on the galactose...

Thursday, May 18, 2023

Price : USD1~2000/Kg

SiSiB® PC5322 Trimethylethoxysilane SiSiB® PC5322 is a colorless clear liquid. Application SiSiB® PC5322 organofunctional silane is an intermediate useful for blocking hydroxyl or amino groups to perform reactions on multi-functional organic compounds or polymers. It is also useful...

Friday, May 05, 2023

Hepatitis C Virus (HCV) is a small, enveloped, positive-sense, single-stranded RNA Virus. HCV is now known to be the major cause of parenterally transmitted non-A, non-B hepatitis. HCV rapid test kits diagnostic method is commonly used now. Antibody to HCV is found in over 80% of...

Friday, April 28, 2023

Name: Trimethylchlorosilane Feature: Trimethyl chloro silane is a colorless or light yellow transparent irritating liquid. Trimethylchlorosilane CAS NO.: 75-77-4 Technical Data of Trimethylchlorosilane Testing Items Testing Standards Trimethylchlorosilane /% ≥ 99.5 Methyltrichlorosilane...

Wednesday, March 01, 2023

Column Formwork TECON column shuttering system mainly includes Adjustable Steel Frame Column Formwork, Portable round column formwork, BASE 20 Column Formwork, Plastic Round Column Formwork, and Plastic Adjustable Column Formwork. They can fabricate different kinds of columns at...

Sunday, January 29, 2023

Methyltriacetoxysilane Chemical Name Methyltriacetoxysilane Cas No 4253-34-3 Formula C7H12O6Si Color Colorless or light yellow Appearance Clear liquid or White crystal powder Purity min 95% Methyltriacetoxysilane Description CFS-343, Methyltriacetoxysilane is a silane...

Sunday, January 29, 2023

Hexadecyltrimethoxysilane Description For more details about this product, please contact Co Formula. Keywords about Co-Formula: ISO9000 & ISO14000 Certified Manufacturer of Organic Silicone Materials; Professional manufacturer and supplier of silane coupling agent; Specialized...

Tuesday, July 26, 2022

Price : 100USD

CFS-547, Methyldichlorosilane, Cas 75-54-7 Methyldichlorosilane Methyldichlorosilane Description For more details about this product, please contact Co-Formula. Keywords about Co-Formula ISO9000 & ISO14000 Certified Manufacturer of Organic Silicone Materials; Professional manufacturer...

Tuesday, July 26, 2022

Price : 100USD

LONG-CHAIN SILANES Co-Formula has successfully synthesized a series of long-chain functional silanes including octyl(C8), dodecyl(C12) and octadecyl(C18) silanes. Co-Formula has successfully synthesized a series of long-chain functional silanes including octyl(C8), dodecyl(C12) and...

Tuesday, July 26, 2022

Price : 100USD

HEXAMETHYLDISILANE CFS-142, Hexamethyldisilane, Cas No. 1450-14-2 Hexamethyldisilane Description For more details about this product, please contact Co-Formula. Keywords about Co-Formula: ISO9000 & ISO14000 Certified Manufacturer of Organic Silicone Materials; Professional manufacturer...

Tuesday, July 26, 2022

Price : 100USD

CFS-126, Hexadecyltrimethoxysilane , Cas No. 16415-12-6 Hexadecyltrimethoxysilane Hexadecyltrimethoxysilane Description For more details about this product, please contact Co-Formula. Keywords about Co-Formula: ISO9000 & ISO14000 Certified Manufacturer of Organic Silicone Materials...

Thursday, July 07, 2022

Name: Trimethylchlorosilane Feature: Trimethy lchloro silane is a colorless or light yellow transparent irritating liquid. trimethylsilyl chloride cas no .: 75-77-4 Technical Data of Trimethylchlorosilane Testing Items Testing Standards Trimethylchlorosilane /% ≥ 99.5 Methyltrichlorosilane...

Wednesday, March 09, 2022

Hepatitis C Virus (HCV) is a small, enveloped, positive-sense, single- stranded RNA Virus. HCV is now known to be the major cause of parenterally transmitted non-A, non-B hepatitis. Antibody to HCV is found in over 80% of patients with well-documented non-A, non-B hepatitis. Conventional...

Saturday, January 01, 2022

Name: Trimethylchlorosilane Feature: Trimethylchlorosilane is a colorless or light yellow transparent irritating liquid. CAS No.: 75-77-4 Technical Data of chlorotrimethylsilane Testing Items Testing Standards Trimethylchlorosilane /% ≥ 99.5 Methyltrichlorosilane /% ≤ 0.05...

Saturday, November 27, 2021

Quantity : 1000Kgs - Price : USD1~2000/Kg

Phenyl Functional Silicone, Phenyl Silicone Oil, Phenyl Modified Silicone, Diffusion Pump Fluid, silicone diffusion pump oil, Heat Transfer Fluid, Heat Transfer Oil Compared to the same viscosity of dimethyl silicone fluid, phenyl methyl silicone fluid has higher coefficient of...

Monday, September 27, 2021

Name: Trimethylchlorosilane Feature: Trimethylchlorosilane is a colorless or light yellow transparent irritating liquid. CAS No.: 75-77-4 Technical Data of Trimethylchlorosilane Testing Items Testing Standards Trimethylchlorosilane /% ≥ 99.5 Methyltrichlorosilane /% ≤ 0...

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...

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...

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

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...

Friday, March 13, 2020

Generally, vacuum filtration can be used for collecting a desired solid too. Do not use vacuum filtration to filter a solid from a liquid if it is the liquid that you want for your applications. If the liquid is a low boiling, vacuum filtration is not a good choice either, because...

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...

Wednesday, January 22, 2020

The sealing property of the headspace vial is better than that of the threaded vial, and the rubber or silica gel has good re-sealing after the puncture, so it is ideal to preserve the reagents. If some of the organic solvents in use will corrode the silicone or rubber bottle pad...

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...

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...

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...

Wednesday, January 08, 2020

When the filter element has been used for a long time and the filtration speed still recovers less than ideal after recoil with the above method, the filter element can be removed and immersed in NaOH solution with a concentration of 2-4% for 4-8 hours. Then, clean water filtered...

Monday, January 06, 2020

Hawach solid phase extraction cartridges are designed for sample pretreatment to remove or minimize sample matrix and other interferences to “clean up” a sample prior to analysis. This procedure can also concentrate an analyte to achieve the desired sensitivity range of an analytical method...

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, October 15, 2019

Quantity : 2500km/wee - Price : <200 USD

Description: There are two common structures for Air-blowing central Loose tube Micro fiber cable. One is a air-blowing smooth micro-cable and the other is a air-blowing micro-grooved micro-cable. The structure of Air-blowing micro tube fiber optic cable is completely different from...

Sunday, October 13, 2019

Solid phase extraction is a sample preparation method based on the chromatographic analysis. Solid phase extraction includes a solid phase (adsorbent with a certain functional group) and a liquid phase (sample and solvent). The liquid sample passes through a solid phase extraction...

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

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...

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

HPLC columns are widely used in many fields, whose column efficiency, capacity, permeability characteristics, and service life are very important. After using for a period of time, there will be changes such as column pressure increase, column efficiency decrease, etc. If no measures are taken...

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...

Tuesday, September 24, 2019

Syringe filter is suitable for the filtration of a small number of samples in the laboratory. The adsorbability of syringe filter to samples is weak, which ensures the large number of recovery of small or high-value samples. The outer shell of the filter is made of polypropylene and...

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...

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

Silica matrix HPLC columns are generally compatible, but organic polymer matrix columns may expand or contract in some solvent combinations, which will affect their chromatographic behavior. Wash each solvent system at least 20 volumes. Because some solvent systems are highly viscous...

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...)

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...

Wednesday, September 18, 2019

In chromatographic experimental analysis, a device that can quantitatively feed a sample bottle into a chromatographic column is called a sample vial. Sample vials are divided into manual and automatic sample vials. The automatic sample vial is an intelligent and automatic sampling...

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...

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...

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...

Tuesday, September 03, 2019

Chemical properties of the chromatographic column could affect the performance of the C18 HPLC column. Performance factors of C18 HPLC columns: bonding type Single tooth bonding can improve the mass transfer rate and accelerate column balance. Double tooth bonding can increase the...

Friday, August 16, 2019

NH2 HPLC columns refer to the chromatographic columns that use silica gel as matrix carrier to bond amino groups. They are usually used for the analysis of carbohydrate compounds, and the mobile phase is usually methanol, acetonitrile and buffers salt solution. - The cleaning method...

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...

Wednesday, August 14, 2019

Physical properties of the chromatographic column could affect the performance of C18 HPLC columns. - Performance factors of C18 HPLC columns: - Silica gel purity Class A silica gel has high residual silica hydroxyl with a negative charge and high metal content on the acidic surface...

Tuesday, August 13, 2019

Syringe filter is suitable for filtering a small number of samples in the laboratory because of its low adsorbability. The low adsorbability ensures a large amount of recovery of small or high-value samples. The shell of the filter will not pollute the samples. It has stable quality...

Monday, August 12, 2019

Syringe filter is a kind of filter connected to the front of the syringe. When the experimenters deal with the chromatographic samples with syringe filter, they should pay attention to avoiding bringing impurities in the process of filtration. One reason for the appearance of such...

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

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...

Thursday, August 08, 2019

Most common SPE cartridges are injection syringes made of polyethylene, in which there are two plugs made of polypropylene or fiberglass, with a certain amount of chromatographic adsorbent (filler) between the two plugs. SPE cartridges without sieve plate 1. Avoid “non-specific adsorption” 2...

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

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...

Monday, August 05, 2019

Vacuum Filtration is a device for accelerating water filtration by negative pressure caused by air extraction. It's a filtering product that most lab customers will be used for suspension detection in water extraction filtration, microbial limit detection extraction filtration, chromatographic...

Monday, August 05, 2019

One of the main factors affecting the life of the liquid chromatographic column is the mobile phase. There are three aspects of the mobile phase factors. The pH value of the Mobile Phase The fillers of different substrates apply to different pH value range. Under normal temperature...

Friday, August 02, 2019

Usually, the sample contains something that is not of interest to the analyst. Salt, lipids, lipid-containing substances, humic acid, hydrophobic proteins, and other biological substances are some substances that may interact with the HPLC column in use. These substances have less...

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...

Tuesday, July 30, 2019

The improper use of chromatographic columns will make the columns decrease or lose effectiveness. Generally speaking, the columns always have problems at the end of them. If we can install a short column with the same stationary phase as the analysis column in front of analysis column...

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

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...

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

Columns Ahead Statement Generally speaking, SPE/FLASH is mainly applied to the pretreatment of samples. People can easily perceive that SPE/FLASH columns separate salt and sugar, while HPLC ones can make glucose, maltose and sucrose apart from the sugar solution, which posses more...

Thursday, July 11, 2019

With the development of society and technology, chromatographic analysis theory has also been developing rapidly. HPLC column has now been widely applied in every field of laboratory analysis. HPLC column gathers function of both detection and separation. With the right choice, use...

Thursday, July 11, 2019

With the development of society and technology, chromatographic analysis theory has also been developing rapidly. HPLC column has now been widely applied in every field of laboratory analysis. HPLC column gathers function of both detection and separation. With the right choice, use...

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

The biggest feature of filter paper is paper with good filtration performance. At present, the filter papers produced in China mainly include quantitative analysis filter paper, qualitative analysis filter paper and chromatographic qualitative analysis filter paper. Quantitative filter...

Tuesday, July 09, 2019

Rapid chromatography Technology for the separation and purification of natural products and biological macromolecules. It has the advantages of easy operation, cheap price, and rapid analysis, and a few other technologies can match the rapid chromatography in the application of purifying...

Thursday, July 04, 2019

C8 HPLC columns are used to isolate many organic compounds, which are one of the reversed phase silica gel columns. The maintenance of C8 HPLC columns requires organic solvents. Chromatographic grade methanol is recommended and different brands of chromatographic columns should be...

Wednesday, July 03, 2019

Chromatographic analysis technology has been widely used nowadays. It is quite important to clean the chromatographic sample vials carefully. When the number of samples is enormous, a large number of chromatographic sample vials need to be cleaned during the experiments. If the sample...

Wednesday, July 03, 2019

Flash column chromatography is an efficient way to separate complex mixtures of compounds in the lab. we use compressed air to push the solvent through the column when we are running flash columns. It can help provide better separation and cut down the running time as while. Flash...

Tuesday, July 02, 2019

Hawach bottle-top dispenser combines the latest liquid accurate dispensing technology, high-tech materials, and ergonomically designed advanced dispensers, which are simple, safe, reliable and highly accurate laboratory liquid handling equipment. Bottle-top dispenser features 1. Fast...

Tuesday, July 02, 2019

The key to regenerating contaminated HPLC columns is to know the nature of the contaminants and to find the right solvent to remove. If contamination is caused by the accumulation of strongly retained materials during repeated injections, simple steps to remove these contaminants...

Monday, June 24, 2019

When using filter paper, we should pay attention to the fact that when the filter paper is not displayed on the paper box of the filter paper, the precipitation should be paid attention to when using the quantitative and qualitative analysis filter papers. (1) Natural filtration is...

Friday, June 21, 2019

Flash chromatographic column, also called rapid chromatographic column(rapid column crossing, which means gradient elution, decompression or pressurization of the column), medium pressure chromatographic column（for example, rapid elution is achieved by pressurizing with nitrogen and...

Friday, June 21, 2019

The cation chromatography column is a kind of high-performance liquid chromatography, which is a liquid chromatography method for analyzing anions and cations. The method has the advantages of good selectivity, sensitivity, rapidity, and simplicity, and can simultaneously measure...

Wednesday, June 19, 2019

SPE cartridges, with a full name of Solid Phase extraction cartridges, is also called the SPE column( solid phase extraction column). The solid phase extraction column/cartridges is a pretreatment device for the sample being analyzed, which developed from the chromatographic column...

Saturday, June 15, 2019

What is SPE Cartridge? The term SPE cartridges is short for Solid Phase Extraction cartridge. It is a kind of sample preprocessing equipment (extract, separate and concentrate) which is developed from the chromatographic column. SPE cartridge is mainly used for preprocessing of the...

Wednesday, June 12, 2019

A few days ago, I wrote a summary of the filter membrane. Many customers said that no product had no truth. So what I wrote today is a product that needs to be used in combination with microporous filter membrane – the solvent filter device. Technical parameters The solvent filter...

Thursday, June 06, 2019

The main function of the microporous filtration membrane and syringe filter is to trap and filtering of the particles, bacteria and other impurities from the gas phase or liquid phase for separation, purification and purification purposes. The following factors should be considered...

Thursday, June 06, 2019

The main function of the microporous filtration membrane and syringe filter is to trap and filtering of the particles, bacteria and other impurities from the gas phase or liquid phase for separation, purification and purification purposes. The following factors should be considered...

Thursday, June 06, 2019

The fast liquid chromatography column optimization function, or “GO” function, converts the linear gradient into a step gradient and optimizes the elution conditions near the confirmed elution peak. First, purify a small portion of the sample with a small column and wait until the...

Wednesday, June 29, 2016

Quantity : 100000000 - Price : 100 000 000,00 €

http://www.shieldlance.com/ - Product Description - - Gas Chromatography - Gas Chromatography is used to separate organic solvents, can test solvent residues of printed packaging material, or the purity of a single solvent. GC-9801 Gas Chromatography Working Principle Gas sample...

Wednesday, June 10, 2015

1. Introduction This rapid test is an immuno-chromatographic test, using colloidal gold immunoassay method, to detect the antibody against Trichinella spiralis in sample. Testing Trichinella spiralis antibody can help diagnostic of Trichinella spiralis infection.   2. Contents 1 T...