GB/T 1610-2024 Chromium trioxide for industrial use
Warning: This product belongs to Category 5, Item 5.1 oxidizing substances, Category 6, Item 6.1 toxic substances, and Category 8 corrosive substances according to Clause 6 of GB 12268-2012, and shall be handled with care. Some reagents used in this document are corrosive. If they are splashed on the skin or eyes, they shall be washed with water immediately. In serious cases, seek medical treatment immediately. Volatile substances and substances with pungent odor shall be handled in a well-ventilated fume hood. Persons using this document shall be familiar with normal laboratory practice. This document does not purport to address all of the safety problems, if any, associated with its use. It is the responsibility of the user to establish appropriate safety and health practices and to ensure compliance with any national regulatory conditions.
1 Scope
This document specifies the typing, requirements, test methods, inspection rules, marking, labeling and accompanying documents, packaging, transportation and storage of chromium trioxide for industrial use.
This document is applicable to chromium trioxide for industrial use.
Note: This product is mainly used in the electroplating industry, and is also used as an oxidant, catalyst, wood preservative, and raw material for the preparation of chromium salt products and reagents such as chromium trioxide and chromium chloride.
2 Normative references
The following documents contain requirements 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 190 Packing symbol of dangerous goods
GB/T 191-2008 Packaging - Pictorial marking for handling of goods
GB/T 325.4 Packing containers - Steel drums - Part 4: Removable head(open head)drums with a maximum total capacity of 200L
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 judgement of limiting values
GB 12268-2012 List of dangerous goods
GB 12463-2009 General specifications for transport packages of dangerous goods
GB 15603 General rules for the hazardous chemicals warehouse storage
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
JT/T 617 (All parts) Regulations concerning road transportation of dangerous goods
3 Terms and definitions
No terms and definitions are listed in this document.
4 Molecular formula and relative molecular mass
Molecular formula: CrO3
Relative molecular mass: 99.99 (as per the international relative atomic mass in 2022).
Contents
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Molecular formula and relative molecular mass
5 Requirements
6 Test method
7 Inspection rules
8 Marking, labeling and accompanying documents
9 Packaging, storage and, transport
Annex A (Normative) Determination of sulfate content by infrared absorption method
Annex B (Normative) Determination of sulfate content by inductively coupled plasma atomic emission spectrometric method
Bibliography
