QUECHERS - 58 ads

Thursday, April 04, 2024

Price : 0-50k USD

As testing technology and method for food safety is developed and improved, QuEChERS method has become one of common sample preparation techniques to remove interferents and obtain analytes for analysis of multiple residual pesticides in vegetables and fruits. RayCure QuEChERS kits...

Thursday, April 04, 2024

Price : 0-50k USD

RayKol Group is dedicated to research&development and manufacture of automated laboratory systems. With systematic framework and integrated development of RayKol own core automated lab systems technologies, combined features of robot and artificial intelligence and coordination...

Thursday, April 04, 2024

Price : 0-50k USD

RayKol laboratory consumables and chemical supplies provide a wide selection of quality general lab consumables for equipment in analytical laboratories and life science laboratories. As one of laboratory consumables distributors and laboratory consumables suppliers, ranges of RayKol...

Saturday, September 16, 2023

Quantity : 1SET - Price : 0-50k USD

RayCure QuEChERS Ceramic homogenizers can effectively increase sample preparation efficiency by their excellent homogenizing and dispersing abilities. RayCure Ceramic homogenizers are both compatible with RayCure QuEChERS extraction kits and clean-up kits, provide full solution for...

Saturday, September 16, 2023

Quantity : 1SET - Price : 0-50k USD

RayCure SPE series provides high-quality SPE cartridges for various types of solid phase extraction, including manifold, vacuum as well as automated solid phase extraction equipment, well compatible with RayKol automated solid-phase extraction systems. RayCure SPE cartridges utilize...

Saturday, September 16, 2023

Quantity : 1SET - Price : 0-50k USD

RayCure QuEChERS Extraction kits are used in the step of extraction with salts in QuEChERS workflow, to transfer target analytes into organic phase using MgSO4 and buffer. The composition of extraction kits is based on the requirements of various QuEChERS methods. Several formats...

Saturday, September 16, 2023

Quantity : 1SET - Price : 0-50k USD

RayCure QuEChERS Clean-up kits are used in the step of purification with salts in QuEChERS procedure, to separate target compounds from interference matices by sorbents. The composition of clean-up kits is based on the requirements of various QuEChERS methods. Several formats of kits...

Tuesday, July 11, 2023

As testing technology and method for food safety is developed and improved, QuEChERS method has become one of common sample preparation techniques to remove interferents and obtain analytes for analysis of multiple residual pesticides in vegetables and fruits. RayCure QuEChERS kits...

Tuesday, July 11, 2023

RayKol Laboratory consumables provide a wide selection of quality general lab consumables for equipment in analytical laboratories and life science laboratories. As one of laboratory consumables suppliers and laboratory consumables distributors, ranges of RayKol lab consumables include...

Tuesday, January 10, 2023

As testing technology and method for food safety is developed and improved, QuEChERS method has become one of common sample preparation techniques to remove interferents and obtain analytes for analysis of multiple residual pesticides in vegetables and fruits. RayCure QuEChERS kits...

Tuesday, January 10, 2023

RayKol consumables analytical laboratory provide a wide selection of quality general lab consumables for equipment in analytical laboratories and life science laboratories. As one of laboratory consumables suppliers and laboratory consumables distributors, ranges of RayKol lab consumables...

Tuesday, September 20, 2022

Price : 1000-6000USD

RayCure QuEChERS Ceramic homogenizers can effectively increase sample preparation efficiency by their excellent homogenizing and dispersing abilities. RayCure Ceramic homogenizers are both compatible with RayCure QuEChERS extraction kits and clean-up kits, provide full solution for...

Tuesday, September 20, 2022

Price : 1000-6000USD

RayCure QuEChERS Extraction kits are used in the step of extraction with salts in QuEChERS workflow, to transfer target analytes into organic phase using MgSO4 and buffer. The composition of extraction kits is based on the requirements of various QuEChERS methods. Several formats...

Tuesday, September 20, 2022

Price : 1000-6000USD

RayCure QuEChERS Clean-up kits are used in the step of purification with salts in QuEChERS procedure, to separate target compounds from interference matices by sorbents. The composition of clean-up kits is based on the requirements of various QuEChERS methods. Several formats of kits...

Saturday, June 11, 2022

Price : 1000-6000USD

RayCure QuEChERS Ceramic laboratory homogenizers can effectively increase sample preparation efficiency by their excellent homogenizing and dispersing abilities. RayCure Ceramic homogenizers are both compatible with RayCure QuEChERS extraction kits and clean-up kits, provide full...

Saturday, June 11, 2022

Price : 1000-6000USD

RayCure QuEChERS Dispersive SPE kits provide extraction salts, clean-up kits and ceramic homogenizers for methods and standards using QuEChERS techniques. The kits are used to remove impurities from samples. QuEChERS has become a common sample preparation method for the analysis of...

Saturday, June 11, 2022

Price : 1000-6000USD

RayKol consumables analytical laboratory provide a wide selection of quality general lab consumables for equipment in analytical laboratories and life science laboratories. As one of the leading laboratory consumables suppliers and laboratory consumables distributors, ranges of RayKol...

Monday, April 13, 2020

Characteristic of QuEChERS Extraction Salts The QuEChERS method is fast, simple and economical, and Hawach makes the QuEChERS program easier. Specialized glassware is not required when you use Hawach QuEChERS to pick up bags and tubes. The freely flowing extracted salt and salt packs...

Monday, March 30, 2020

1. Why does the QuEChERS approach recommend use dry ice or liquid nitrogen homogenizing frozen samples and extracting samples while frozen? The frozen samples were homogenized with dry ice or liquid nitrogen, and the samples were made into a fine powder (smaller particle size, more homogeneous)...

Monday, March 16, 2020

Our products are the things used in the QuEChERS method, including two major categories: extraction boxes and purification boxes; extraction boxes include salt bags and 50ml centrifuge tubes, but due to the high shipping costs of 50ml centrifuge tubes and common in customer laboratories...

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...

Sunday, January 19, 2020

The QuEChERS method is a sample preparation technology based on solid-phase extraction and matrix solid-phase dispersion technology. It is suitable for the treatment of low-fat samples and can achieve ideal results for samples containing less than 15% fat. Because of its simple operation...

Monday, January 13, 2020

The dispersed solid phase extraction kit is selected based on the type of food being analyzed and the method used. In this step, the extracted sample is added in equal amounts to a 2 ml or 15 ml centrifuge tube. The centrifuge tube contains a small amount of solid phase extraction...

Tuesday, January 07, 2020

Originally designed to analyze fruits and vegetables, QuEChERS now includes a variety of products. Since being developed and released by scientists at the United States department of agriculture in 2003, QuEChERS has gained increasing popularity as a method of selection. It combines...

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...

Tuesday, December 10, 2019

Due to the variety of targets, large structural differences, and low target content, the detection of pesticide residue method requires being accurate, rapid, sensitive, simple and low cost. The QuEChERS method is more and more widely used in pesticide residue detection, as it is green and quick...

Thursday, October 10, 2019

QuEChERS firstly came out in 2003. The inventors of QuEChERS, Michelangelo Anastasiades and Steve Lehotay, were asked for the three biggest improvements in this method from development to now. They made the following statement. In the period of conceiving the method QuEChERS, we have...

Tuesday, October 08, 2019

It is not difficult to find the early application of QuEChERS in pesticide residue detection in China, mainly for single pesticide detection, and most of the extraction and purification targets are carbamate, organophosphorus and pyrethroid. With the development of technology, the...

Monday, September 30, 2019

The purifying agent holds an important position in the QuEChERS pre-treatment method. An appropriate selection and application of it would be necessary for the users to improve the efficiency of purification and accuracy of the sampling detection result. Selection of purifying agents...