Reagents and Chemicals
Technical notes on specifying laboratory glassware and reagents, from the team that supplies laboratories across Indonesia.
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Analytical reagent grades, certifications, storage and safe handling.
Reagents and Chemicals · September 3, 2026
Reagent Storage and Shelf Life in a Tropical Laboratory
A certificate describes the day of release. Segregation by hazard class, humidity in a tropical store room, open-bottle dating, and the quarterly check that catches the rest.
Reagents and Chemicals · September 1, 2026
ACS, ISO and Ph. Eur.: What a Reagent Certification Guarantees
The marks after a grade name say whose published specification the batch also meets. How to read a real label, what a lot-specific certificate of analysis must show, and when the mark is mandatory.
Reagents and Chemicals · August 17, 2026
Analytical Reagent Grades: EMSURE, LiChrosolv and What They Guarantee
A grade is a specification, not a purity figure. What EMSURE, LiChrosolv, Suprapur, Certipur and Titripur each control, and how to match a grade to a method.
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