HG/T 2631-2005
Chemical reagent Cobalt (Ⅱ) sulfate heptahydrate (English Version)

Standard No.

HG/T 2631-2005

Language

Chinese, Available in English version

Release Date

2005

Published By

Professional Standard - Chemical Industry

Latest

HG/T 2631-2005

Replace

HG/T 2631-1994

Scope

This standard specifies the specifications, test methods, inspection rules, packaging and marking of the chemical reagent cobalt sulfate heptahydrate. This standard applies to the inspection of chemical reagent cobalt sulfate heptahydrate. Molecular formula: CoSO·7HO Relative molecular mass: 281.10 (according to the 2001 international relative atomic mass)

HG/T 2631-2005 Referenced Document

• GB/T 601-2002 Chemical reagent Preparations of standard volumetric solutions
• GB/T 602-2002 Chemical reagent--Preparations of standard solutions for impurity
• GB/T 603-2002 Chemical reagent--Preparations of reagent solutions for use in test methods
• GB/T 619-1988 Chemical reagent--Regulations for sampling and acceptance

HG/T 2631-2005 history

• 2005 HG/T 2631-2005 Chemical reagent Cobalt (Ⅱ) sulfate heptahydrate
• 1994 HG/T 2631-1994 Chemical Reagent Cobalt Sulfate Heptahydrate (Cobalt Sulfate)