HG/T 3253-2009 (English Version) PDF

Scope: This standard specifies the requirements, test methods, inspection rules, signs, labels, packaging, transportation and storage of industrial sodium hypophosphite. This standard applies to industrial sodium hypophosphite. This product mainly uses reducing agents for electroless plating, as well as raw materials for preparing other hypophosphites, fine chemicals, etc.

HG/T 3253-2009 Referenced Document

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 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
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 *， 2011-12-20 Update
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 *， 2011-12-20 Update
HG/T 3696.3 Inorganic chemicals for industrical use.Preparations of standard and reagent solutions for chemical analysis.Part 3: Preparations of reagent solutions *， 2011-12-20 Update