Standard No.:	GB/T 26523-2022
English Name:	Refined cobaltous sulfates
Chinese Name:	精制硫酸钴
Chinese Classification:	G12    Inorganic salt
Professional Classification:	GB    National Standard
ICS Classification:	71.060.50 71.060.50    Salts 71.060.50
Source Content Issued by:	SAMR; SAC
Issued on:	2022-4-15
Implemented on:	2022-11-1
Status:	valid
Superseding:	GB/T 26523-2011 Refined cobaltous sulfates
Target Language:	English
File Format:	PDF
Word Count:	9500 words
Translation Price(USD):	285.0
Delivery:	via email in 1 business day

GB/T 26523-2022 Refined cobaltous sulfates WARNING: This product is listed in the Catalogue of hazardous chemicals (2015) and classified as a hazardous chemical, and shall be handled with caution. Users of this document shall possess practical experience of formal laboratory operations. This document does not purport to address all of the safety problems, if any, associated with its use. Users shall be responsible for taking appropriate safety and health measures and ensuring conformity to the conditions stipulated by relevant national regulations of China. Some reagents used in the test method are corrosive. If splashed onto skin or eyes, rinse immediately with water. In serious cases, seek medical treatment immediately. 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 5.1 Appearance: Rose-pink crystalline powder. 5.2 Refined cobaltous sulfate shall comply with the technical requirements specified in Table 1. Table 1

Contents Foreword i 1 Scope 2 Normative references 3 Terms and definitions 4 Molecular formula and relative molecular mass 5 Technical requirements 6 Test methods 7 Inspection rules 8 Marking and labeling 9 Packaging, transport and storage Bibliography