This standard specifies the requirements, test methods, inspection rules, signs, labels, packaging, transportation and storage of industrial phosphorous acid. This standard applies to industrial phosphorous acid. This product is mainly used as a raw material for the production of phosphites, synthetic fibers and organophosphorus pesticides, and is also used to produce aminotrimethylenephosphonic acid, a high-efficiency water treatment agent. Molecular formula: HPO Relative molecular mass: 81.99 (according to the 2001 international relative atomic mass)
HG/T 2520-2006 Referenced Document
GB 190-1990 Labels for packages of dangerous goods
GB/T 1250 Rules for expression and judgement of limiting values
GB/T 191-2000 Packaging-Pictorial marking for handling of goods
GB/T 3049-1986 Chemical products for industrial use--General method for determination of iron content--0-phenanthroline spectrophotometric method
GB/T 6678 General principles for sampling chemical products