HG/T 4691-2014 (English Version) PDF

Scope: This standard specifies the requirements, test methods, inspection rules, marking, labeling, packaging, transportation and storage of industrial polyphosphoric acid. This standard applies to industrial polyphosphoric acid produced from industrial yellow phosphorus or phosphorus pentoxide as raw materials. It is mainly used in organic synthesis, pharmaceutical intermediates, spice intermediates, leather, chemical industry and other industries, and can also be used as a substitute for orthophosphoric acid.

HG/T 4691-2014 Referenced Document

GB 15258 General rules for preparation of precautionary label for chemicals
GB 18191 Packing containers.Plastic drum for packages of dangerous goods
GB 190-2009 Packing symbol of dangerous goods
GB/T 19161 Packaging containers.Composite intermediate bulk container*， 2016-04-25 Update
GB/T 23947.1-2009 Inorganic chemicals for industrial use.General method for determination of arsenic.Part 1:Silver diethyldithiocarbamate photometric method
GB/T 23950-2009 Inorganic chemicals for industrial use.General method for determination of heavy metals
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 3696.1 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
HG/T 3696.3 Inorganic chemicals for industrical use.Preparations of standard and reagent solutions for chemical analysis.Part 3: Preparations of reagent solutions