Detail of GB/T 1919-2023

Introduction of GB/T 1919-2023

Potassium hydroxide for industrial use Warning: According to Clause 6 of GB 12268-2012, this product is a corrosive substance of Category 8, and shall be handled with care. 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 potassium hydroxide for industrial use. This document is applicable to potassium hydroxide for industrial use. Note: This product is primarily used in industries such as chemical, battery, pharmaceutical, light industry, dye, textile, and metallurgy. It serves as a raw material for chemical production, alkaline storage batteries, pharmaceutical intermediates, potassium soap, cosmetics (such as cold cream, vanishing cream, and shampoo), vat dyes, artificial fibers and polyester fibers, metallurgical heating agents, leather de-greasing, and other applications. 2 Normative references The following 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 190 Labels for packages of dangerous goods GB/T 191-2008 Packaging - Pictorial marking for handling of goods GB/T 325.2 Packaging container - Steel drums - Part 2: Removable head (open head) drums with a minimum total capacity of 208L, 210L and 216.5L GB/T 3049-2006 Chemical products for industrial use - General method for determination of iron content - 1,10-phenanthroline spectrophotometric method GB/T 3050-2000 Inorganic chemical products for industrial use - General method for determination of chloride content - Potentiometric method GB/T 3051-2000 Inorganic chemical products for industrial use - General method for determination of chloride content - Mercurimetric method 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 GB 12463 General specifications for transport packages of dangerous goods GB 18191 Packing containers - Plastic drum for packages of dangerous goods GB/T 23950 Inorganic chemicals for industrial use - General method for determination of heavy metals 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 Recommendations on the transport of dangerous goods: Model regulations (21st revised edition, United Nations, 2019) 3 Terms and definitions There are no terms and definitions that need to be defined in this document. 4 Molecular formula and relative molecular mass Molecular formula: KOH. Relative molecular mass: 56.11 (as per the international relative atomic mass in 2022).

Contents of GB/T 1919-2023

Contents Foreword I 1 Scope 2 Normative references 3 Terms and definitions 4 Molecular formula and relative molecular mass 5 Typing 6 Requirements 7 Test methods 8 Inspection rules 9 Marking, labeling and accompanying documents 10 Packaging, transportation and storage Bibliography