GB/T 23937-2020 (English Version) PDF

Scope: This standard specifies the classification, technical requirements, test methods, inspection rules, signs, labels, packaging, transportation and storage of industrial sodium oxysulfide. This standard applies to industrial sodium hydrosulfide, the product is mainly used in mineral processing, pesticides, leather, dyes, organic synthesis and water treatment industries.

GB/T 23937-2020 Referenced Document

GB 12268 List of dangerous goods
GB 190 Packing symbol of dangerous goods
GB/T 191 Packaging.Pictorial marking for handling of goods
GB/T 3049 Chemical products for industrial use. General method for determination of iron content 1, 10 Phenanthroline spectrophotometric method
GB/T 6678 General principles for sampling chemical products
GB/T 6679 General rules for sampling solid chemical products
GB/T 6680 General rules for sampling liquid chemical products
GB/T 6682 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
HG/T 3696.1 Inorganic chemicals for industrical use Preparations of standard and reagent solutions for chemical analysis.Part 1:Preparations of standard volumetric solutions
HG/T 3696.2 Inorganic chemicals for industrical use.Preparations of standard and reagent solutions for chemical analysis.Part 2: Preparations of standard solutions for impurity