GB/T 26523-2022Refined cobaltous sulfates (English PDF)

1 Scope

This document specifies the requirements, test methods, inspection rules, marking and labeling, as well as packaging, transport, and storage of refined cobaltous sulfates.

This document is applicable to refined cobaltous sulfates.

Note: This product is mainly used in the battery, electronics, chemical, electroplating, chemical reagent, and other industries.

2 Normative references

The following normative documents contain provisions which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.

GB/T 191-2008 Packaging - Pictorial markings for handling of goods

GB/T 6678 General principles for sampling chemical products

GB/T 6682-2008 Water for analytical laboratory use - Specification and test methods

GB/T 8170 Rules of rounding off for numerical values & expression and judgment of limiting values

HG/T 3696.1 Inorganic chemicals for industrial use - Preparations of standard and reagent solutions for chemical analysis - Part 1: Preparations of standard volumetric solutions

HG/T 3696.2 Inorganic chemicals for industrial use - Preparations of standard and reagent solutions for chemical analysis - Part 2: Preparations of standard solutions for impurity

HG/T 3696.3 Inorganic chemicals for industrial use - Preparations of standard and reagent solutions for chemical analysis - Part 3: Preparations of reagent solutions

3 Terms and definitions

No terms and definitions are defined in this document.

4 Molecular formula and relative molecular mass

Molecular formula: CoSO4·7H2O

Relative molecular mass: 281.11 (as per the Atomic weights of the elements 2018)

5 Technical requirements