HG/T 4700-2014 (English Version) PDF

Scope: This standard specifies the requirements, test methods, inspection rules, signs, labels, packaging, transportation and storage of recycled stannic acid. This standard applies to regenerated stannic acid obtained from electronic electroplating wastewater through a membrane separation process. This product is mainly used in the smelting industry to extract metallic tin.

HG/T 4700-2014 Referenced Document

GB/T 1819.11-2004 Methods for chemical analysis of tin concentrates Determination of aluminum oxide content-The chromazuzol S spectrophotometric method
GB/T 1819.2-2004 Methods for chemical analysis of tin concentrates-Determination of tin content--The potassium iodate titrimetric method
GB/T 191-2008 Packaging.Pictorial marking for handling of goods
GB/T 3049-2006 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 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 3696.2 Inorganic chemicals for industrical 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 industrical use.Preparations of standard and reagent solutions for chemical analysis.Part 3: Preparations of reagent solutions