GB/T 1288-2024 Chemical reagent—Potassium sodium tartrate tetrahydrate

GB/T 1288-2011 Chemical reagent—Potassium sodium tartrate tetrahydrate

GB/T 601-2002 Chemical reagent Preparations of standard volumetric solutions GB/T 601-2016 Chemical reagent—Preparations of reference titration solutions 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 603-2023 Chemical reagent—Preparations of reagent solutions for use in test methods GB/T 6682-1992 Water for analytical laboratory use—Specification and test methods GB/T 6682-2008 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 9724-2007 Chemical reagent—General rule for the determination of pH GB/T 9727-2007 Chemical reagent—General method for the determination of phosphate GB/T 9728-1988 Chemical reagent General method for the determination of sulphate GB/T 9728-2007 Chemical reagent—General method for the determination of sulphate GB/T 9732-2007 Chemical reagent—General method for the determination of ammonium GB/T 9738-1988 Chemical reagent General method for the determination of water insoluble matter GB/T 9738-2008 Chemical reagent—General method for the determination of water insoluble matter GB/T 9742-1988 Chemical reagent General method for the determination of silicate GB/T 9742-2008 Chemical reagent—General method for the determination of silicate GB 15346-1994 Chemical reagent—Packaging and marking GB 15346-2012 Chemical reagent—Packaging and marking GB/T 23942-2009 Chemical reagent—General rules for inductively coupled plasma atomic emission spectrometry HG/T 3921-2006 Chemical reagents sampling and acceptance rules HG/T 3484-1999 Chemical reagent Standard of clear liquor,made from glass dust,and standard of transparence GB/T 602-2026 Chemical reagent—Preparations of standard solutions for impurity