CHROMATOGRAPHIC - 159 Anuncios

Wednesday 21 June 2023

Precio : $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 18 May 2023

Precio : 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 05 May 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 28 April 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 01 March 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 29 January 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 29 January 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 26 July 2022

Precio : 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 26 July 2022

Precio : 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 26 July 2022

Precio : 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 26 July 2022

Precio : 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 07 July 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 09 March 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 01 January 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 27 November 2021

Cantidad : 1000Kgs - Precio : 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 27 September 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 08 April 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 01 April 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 31 March 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 24 March 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 18 March 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 17 March 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 13 March 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 10 March 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 22 January 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 21 January 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 14 January 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 10 January 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 08 January 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 06 January 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...