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Tuesday, December 23, 2025

Handheld Hazardous Liquid Detector Model: TE-DEC100 Brand: Techik Introduction: Hazardous liquid detector is a portable security device special for the detection of flammable and explosive liquids. Small size, fast analysis, easy to operate, TE-DEC100 can quickly identify the...

Tuesday, December 23, 2025

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

Tuesday, December 23, 2025

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

Tuesday, December 23, 2025

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

Wednesday, August 13, 2025

The biggest use of acetonitrile is as a solvent. It can be used to synthesize vitamin A, cortisone, carbon amine drugs and their intermediates. It is also used as an active medium solvent for the manufacture of vitamin B1 and amino acids. It can replace chlorinated solvents. It...

Saturday, July 26, 2025

The biggest use of acetonitrile is as a solvent. It can be used to synthesize vitamin A, cortisone, carbon amine drugs and their intermediates. It is also used as an active medium solvent for the manufacture of vitamin B1 and amino acids. It can replace chlorinated solvents. It...

Saturday, July 19, 2025

Quantity : 1kg; 25kg;

The biggest use of acetonitrile is as a solvent. It can be used to synthesize vitamin A, cortisone, carbon amine drugs and their intermediates. It is also used as an active medium solvent for the manufacture of vitamin B1 and amino acids. It can replace chlorinated solvents. It is...

Tuesday, July 08, 2025

The biggest use of acetonitrile is as a solvent. It can be used to synthesize vitamin A, cortisone, carbon amine drugs and their intermediates. It is also used as an active medium solvent for the manufacture of vitamin B1 and amino acids. It can replace chlorinated solvents. It...

Wednesday, June 25, 2025

Quantity : 1kg; 25kg;

The biggest use of acetonitrile is as a solvent. It can be used to synthesize vitamin A, cortisone, carbon amine drugs and their intermediates. It is also used as an active medium solvent for the manufacture of vitamin B1 and amino acids. It can replace chlorinated solvents. It is...

Thursday, May 15, 2025

Diphenylacetonitrile is a white to creamy or faint yellow crystalline powder, Soluble in ethanol, and ether. It is obtained by bromination and condensation of phenyl acetonitrile. Diphenylacetonitrile is mainly used as an intermediate to manufacture API which deals in the treatment...

Thursday, April 24, 2025

The biggest use of acetonitrile is as a solvent. It can be used to synthesize vitamin A, cortisone, carbon amine drugs and their intermediates. It is also used as an active medium solvent for the manufacture of vitamin B1 and amino acids. It can replace chlorinated solvents. It is...

Tuesday, April 22, 2025

The biggest use of acetonitrile is as a solvent. It can be used to synthesize vitamin A, cortisone, carbon amine drugs and their intermediates. It is also used as an active medium solvent for the manufacture of vitamin B1 and amino acids. It can replace chlorinated solvents. It is...

Thursday, April 03, 2025

Diphenylacetonitrile is a white to creamy or faint yellow crystalline powder, Soluble in ethanol, and ether. It is obtained by bromination and condensation of phenyl acetonitrile. Diphenylacetonitrile is mainly used as an intermediate to manufacture API which deals in the treatment...

Tuesday, June 04, 2024

SiSiB® PC9220 is a clear colorless and highly flammable liquid. It can be dissolved in many organic solvents, except polar solvents like acetonitrile and water. Technical Data CAS No. 1450 14 2 EINECS No. 215-911-0 Formula C6H18Si2 Molecular Weight 146.38 Boiling Point 112°C [760mmHg]...

Wednesday, May 08, 2024

Quantity : 1000tons - Price : 2200-2800USD

CAS 23564 05 8 Thiophanate-Methyl Wholesale Colorless ridged crystal, soluble in acetone, methanol, chloroform, acetonitrile, insoluble in water, decomposition in alkaline medium. It has a good control effect on many kinds of diseases of cereals, vegetables and fruit trees. Technical...

Tuesday, September 05, 2023

Solvent Can Be Recovered Name of solvent Name of solvent Methanol Isopropanol Ethanol (Can reach absolute ethyl ) Acetonitrile Methylbenzene Ethyl acetate Acetone THF Dichloromethane DMF Method of Solvent Recovery Batch distillation Continuous distillation Multi-effect...

Friday, August 04, 2023

Quantity : 1000tons - Price : 2200-2800USD

It is a white solid powder or crystal, easily soluble in acetonitrile, acetone, ethyl acetate and dichloroethane, has certain solubility in DMF and toluene, about 2% solubility in methanol, insoluble in petroleum ether, n-alkyl and other non-polar organic solvents and water. Characteristics...

Wednesday, November 16, 2022

Quantity : >5 units - Price : USD1000

Solvent Can Be Recovered Name of solvent Name of solvent Methanol Isopropanol Ethanol (Can reach absolute ethyl ) Acetonitrile Methylbenzene Ethyl acetate Acetone THF Dichloromethane DMF Method of Solvent Recovery Batch distillation Continuous distillation Multi-effect...

Friday, June 10, 2022

Quantity : >5 units - Price : 1 000,00 €

Solvent Recovery Plant Solvent Can Be Recovered Name of solvent Name of solvent Methanol Isopropanol Ethanol (Can reach absolute ethyl ) Acetonitrile Methylbenzene Ethyl acetate Acetone THF Dichloromethane DMF PCC was established in 1993, and it's a state owned company...

Saturday, December 11, 2021

Quantity : >5 units - Price : USD1000

Solvent Recovery Plant Solvent Can Be Recovered Name of solvent Name of solvent Methanol Isopropanol Ethanol (Can reach absolute ethyl ) Acetonitrile Methylbenzene Ethyl acetate Acetone THF Dichloromethane DMF Method of Solvent Recovery Batch distillation Continuous...

Friday, October 23, 2020

AMAR HEALTHCARE - API & INTERMEDIATES MANUFACTURERS IN INDIA Plot No. 3012-3013, Phase-III, GIDC, Panoli - 394116 Tel: +91 95120 41602 Email: amarhealthcareorg@gmail.com Website: www.amarhealthcare.in Amar Healthcare, Quality Pharmaceutical API Intermediates Manufacturers in India...

Monday, March 09, 2020

The QuEChERS method has the following advantages : (1) high recovery rate, which is greater than 85% for a large number of polar and volatile pesticide varieties;(2) high accuracy and accuracy, can be corrected by internal standard method;(3) a wide range of analyzable pesticides...

Monday, December 16, 2019

Originally, QuEChERS was used as a test for multiple pesticide residues in vegetables or fruits. Up to now, its application range is no longer limited to this. At present, QuEChERS has a wide range of applications in agricultural and veterinary drug residues in agricultural products and foods...

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...

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...

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...

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...

Friday, September 13, 2019

Some samples (such as avocado, peanuts, olive oil, etc.) contain more fat. Due to the limited solubility of fat in acetonitrile, the recovery rate of some fat-soluble pesticides (such as HCB, DDT, etc.) is reduced. How to overcome the low experimental results caused by fat? You can...

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...

Tuesday, September 10, 2019

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

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

Review the article that I had written for product introductions, it seems that the content which making fun of products basically does not have, a person with the label of “warm person heart” is wearing very tired. The things about making fun are so cool to be said completely by naked...

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...

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

Application of Cyclohexanone It is the raw material for the production of caprolactam and adipic acid; used as the solvents and diluent agents of paints, inks, synthetic resins and synthetic rubber; also used as the leather degreasing agent. Used as the organic cyclohexanone solvent...

Friday, July 12, 2019

Characteristics of QuEChERS QuEChERS is a pretreatment method for pesticide residue detection. This paper refers to the products produced by our company. Its name comes from the acronyms of the words “Quick, Easy, Cheap, Effective, Rugged, Safe”, which are also the characteristics...

Friday, July 12, 2019

Today, Hawach want to talk about the pre-treatment process for pesticide residue detection from the perspective of food safety – QuEChERS, and also tell you how to pre-treat pesticide residue food. Introduction The present analytical methods and determining techniques, pre-treatment...

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...

Wednesday, July 10, 2019

According to the research from the United States Department of Agriculture, the QuEChERS meth od which extracts pesticide from foods is fast, convenient, cheap, effective and secure. When it compares to the traditional SPE method, QuEChERS not only uses less solvent but also adopts...

Monday, July 08, 2019

QuEChERS is a pretreatment that has the characteristics of Quick、Easy、Cheap、Effective、Rugged and Safe, which is the reason why it is becoming more and more popular in the new testing methods. It was developed by Professor Anastassiades in 2003, which was used in agricultural testing at first...

Friday, July 05, 2019

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

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...

Wednesday, June 19, 2019

Take the example of pear test to check whether a pear is up to the standard. Prepare the environment The first step: Suitable Acetonitrile salting-out extraction environment was prepared. Make the pears into a puree, take 10g to QuEChERS centrifuge tube of 50ml. Add extract solution...

Thursday, June 13, 2019

NH2 HPLC columns can be used in the positive phase or in the negative phase, but it should be noted that the positive phase solvent and the negative phase solvent are usually not mutually soluble. New NH2 HPLC columns are preserved in the positive phase environment under normal circumstances...

Thursday, June 13, 2019

Package 1 QuEChERS extracting pesticide residues from plants Extraction box: 50 ml centrifuge tube + AOAC/EN salt pack 2 kinds of buffer salts: General buffer salt for phase-separation and pH-adjustment; Anhydrous magnesium sulfate completely separates water in the matrix from the...

Wednesday, June 05, 2019

Hawach summarized the advantages of QuEChERS in eight aspects. 1. Recovery Rate QuEChERS technology has the advantage of high recovery rate. Experimental data show that the recovery rate of large quantities of polar and volatile pesticides by QuEChERS is above 85%. 2. Accuracy Laboratory...