This standard specifies the properties, specifications, tests, inspection rules, packaging and signs of the working reference reagent - disodium ethylenediaminetetraacetate. This standard applies to the inspection of the working reference reagent for titration analysis—disodium ethylenediaminetetraacetate.
GB 12593-2007 Referenced Document
GB 10738 Working chemical.General rules for assay.Weight titration
GB 15346 Chemical reagent.Packaging and marking*, 2012-12-31 Update
GB/T 601 Chemical reagent.Preparations of reference titration solutions*, 2016-10-13 Update
GB/T 602 Chemical reagent--Preparations of standard solutions for impurity
GB/T 603 Preparation of preparations and products used in chemical reagent test methods*, 2023-08-06 Update
GB/T 6682 Water for analytical laboratory use.Specification and test methods*, 2008-05-15 Update
GB/T 9724 Chemical reagent.General rule for the determination of pH
GB/T 9728 Chemical reagent.General method for the determination of sulphate
GB/T 9729 Chemical reagent.General method for the determination of chloride
GB/T 9735 Chemical reagent.General method for the determination of heavy metals*, 2008-05-15 Update
GB/T 9739 Chemical reagent.General method for the determination of iron
HG/T 3484 Chemical reagent.Standard of clear liquor,made from glass dust,and standard of transparence
HG/T 3921 Chemical reagent.Regulations for sampling and acceptance
GB 12593-2007 history
2007GB 12593-2007 Working chemical.Ethylenediaminetetraacetic acid disodium salt
1990GB 12593-1990 Working chemical--Ethylenediaminetetraacetic acid disodium salt