HG/T 3538-2011 (English Version) PDF

Scope: Important note: The strong acids and alkalis used in this standard are corrosive, so care should be taken when using them. If splashed on body, rinse with plenty of water and avoid inhalation or skin contact. This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation and storage of ethylenediaminetetramethylenephosphonate sodium (EDTMPS) products. This standard applies to sodium ethylenediamine tetramethylenephosphonate prepared from ethylenediamine, formaldehyde, phosphorus trichloride and sodium hydroxide. This product is mainly used for scale and corrosion inhibition in water treatment. Molecular structure formula

HG/T 3538-2011 Referenced Document

GB/T 191-2008 Packaging.Pictorial marking for handling of goods
GB/T 22592-2008 Water treatment reagent.General rules for the determination of pH
GB/T 22594-2008 Water treatment reagent.General rules for the determination of density
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 6678-2003 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

2011 HG/T 3538-2011 Water treatment chemicals. Sodium ethylene diamine tetramethylene phosphonate
1970 HG/T 3538-1989 Water treatment agent sodium ethylenediamine tetramethylene phosphonate (EDTMPS)