This standard specifies the properties, specifications, testing, inspection rules, packaging and marking of arsenic-free zinc particles in chemical reagents. This standard applies to the inspection of arsenic-free zinc particles in chemical reagents.
GB/T 2304-2008 Referenced Document
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
GB/T 9723-2007 Chemical reagent.General rule for flame atomic absorption spectrometric analysis
GB/T 9728 Chemical reagent.General method for the determination of sulphate
HG/T 3921 Chemical reagent.Regulations for sampling and acceptance
GB/T 2304-2008 history
2008GB/T 2304-2008 Chemical reagent.Zinc granular free from arsenic