This standard specifies the requirements, test methods, inspection rules, labeling, packaging, transportation and storage of fertilizer grade potassium dihydrogen phosphate. This standard applies to potassium dihydrogen phosphate fertilizer products for agricultural use.
HG/T 2321-2016 Referenced Document
GB 18382 Fertilizer marking—Presentation and declaration*， 2021-04-30 Update
GB/T 23349 Determination of arsenic,cadmium,chromium,lead and mercury contents for fertilizers*， 2020-11-19 Update
GB/T 3050-2000 Inorganic chemical products for industrial use-General method for determination of chloride content-Potentiometric method
GB/T 6679 General rules for sampling solid chemical products
GB/T 6682 Water for analytical laboratory use.Specification and test methods
GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values
HG/T 2843 Chemical fertilezer products-standard volumetrie,standard,reagent and indicator solutions for chemical analysis
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