This standard specifies the requirements, test methods, inspection rules, signs, labels, packaging, transportation and storage of industrial sodium nitrite. This standard applies to industrial sodium nitrite. The product is mainly used as a raw material for the manufacture of nitro compounds and azo dyes, as a mordant for fabric dyeing, bleaching agent, metal heat treatment agent, cement early strength agent and antifreeze agent.
GB/T 191-2008 Packaging.Pictorial marking for handling of goods
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 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 3696.3 Inorganic chemicals for industrical use.Preparations of standard and reagent solutions for chemical analysis.Part 3: Preparations of reagent solutions