Analytical Chemistry Technical Report

[Technical Report] Rapid Analytical Method for Pesticides in Water Using Online SPE-FastGC/MS/MS System

This article was written by Mr. Tomonori Asai, AiSTI SCIENCE Co., Ltd., Technical & Marketing Group, for Vol. 18 (November 2021), of ChemGrowing.
The content of this article is from the time of publication. It is not the latest information due to new knowledge and changes in regulatory rules after original publication.

When an accidental release of environmental contaminants to river water occurs, analytical results outlining the type and concentration of the contaminants are required immediately. Moreover, the deve...

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Analytical Chemistry Technical Report

How to select elemental standard solutions according to the purpose

Elemental impurities are analyzed not only in electronic materials but also in a wide range of areas including pharmaceuticals, foods, and environment (water and soil, etc.). It is very important to e...

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Analytical Chemistry

[Chromatography Q & A] What solvents are used for washing and storage after using the column?

Most of the HPLC columns currently used are commercially available packed columns packed with packing agents. In this case, the solvent filling the column at the time of release needs to be replaced w...

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Analytical Chemistry

[Chromatography Q & A] Which buffer solution is used for the HPLC mobile phase?

A mixture of water and organic solvents is often used for the mobile phase of HPLC. However, when the dissociation state of the target component changes depending on the pH, the pH should be kept cons...

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• chromatography

Analytical Chemistry

[Chromatography Q & A] Differences between silica gel plate and amino silica gel plate used in thin-layer chromatography (TLC)

Thin-layer chromatography (TLC) is a thin layer of silica gel, amino silica gel, alumina, polyamide resin, etc. applied on a glass plate. It is mainly used for simple and rapid confirmation of the pro...

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• chromatography