SN/T 3809-2014
Determination of potassium content in potassium chloride and potassium sulphate - X-ray fluorescence spectrometry
HB/Z 5107.4-2004
Methods for analysis of chemical oxidation solution for magnesium alloy-Part 4:Determination of aluminum potassium sulfate content in aluminum potassium sulfate oxidation solution by EDTA volumetric method
DB65/ 2961.7.7-2010
GB/T 641-2011
Chemical reagent - Potassium peroxydisulfate
GB/T 20937-2018
Potassium magnesium of sulphate fertilizer
GB/T 20406-2017
Potassium sulfate for agricultural use
GB/T 26519.2-2021
Persulfate for industrial use—Part 2:Potassium persulfate for industrial use
GB/T 16496-1996
Chemical reagent--Potassium sulfate
ISO 2486:1973
Potassium sulphate for industrial use — Determination of potassium content — Sodium tetraphenylborate volumetric method
ISO 2485:1973
Potassium sulphate for industrial use — Determination of potassium content — Gravimetric method as potassium tetraphenylborate
HG/T 3441-2018
Chemical reagent-Potassium pyrosulfate
HG/T 6201-2023
ISO 2488:1973
Potassium sulphate for industrial use — Determination of chloride content — Mercurimetric method
ISO 2484:1973
Potassium sulphate for industrial use — Determination of potassium content — Flame emission spectrophotometric method
ISO 2487:1973
Potassium sulphate for industrial use — Determination of sulphate content — Barium sulphate gravimetric method
NY/T 3620-2020
Potassium magnesium of sulphate and code of agricultural practice
GB/T 20937-2007
Potassium magnesium of sulphate fertilizer
ISO 2850:1973
Potassium sulphate for industrial use — Determination of loss of mass at 105 degrees C
GB/T 20406-2006
Potassium sulfate for agricultural use
GB/T 641-1994
Chemical reagent—Potassium peroxydisulfate