This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation, storage and safety requirements for water treatment agent sodium polymetaphosphate. This product is mainly used as a corrosion inhibitor for industrial circulating cooling water. Molecular formula: [NaPO], n=10~20.
HG/T 2837-2010 Referenced Document
GB/T 191-2008 Packaging.Pictorial marking for handling of goods
GB/T 6003.1 Test sieves—Technical requirements and testing—Part 1:Test sieves of metal wire cloth*, 2022-10-12 Update
GB/T 601 Chemical reagent.Preparations of reference titration solutions*, 2016-10-13 Update
GB/T 602-2002 Chemical reagent--Preparations of standard solutions for impurity
GB/T 603-2002 Chemical reagent--Preparations of reagent solutions for use in test methods
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
GB/T 8946 General technical requirements of plastic woven sack*, 2013-10-10 Update
HG/T 2837-2010 history
2010HG/T 2837-2010 Water treatment chemicals. Sodium polymetaphosphate
1997HG/T 2837-1997 Water treatment chemicals.Sodium polymetaphosphate