QJ 2838.1-1996
GB 6857-2008
pH primary reagent - Potassium hydrogen phthalate
GB 1257-2007
Working chemical - Potassium hydrogen phthalate
GB 10730-2008
Primary chemical - Potassium hydrogen phthalate
GB 6857-1986
pH Basic line Potassium hydrogen phthalate
GB 1257-1989
Working chemical Potassium hydrogen phthalate
GB 10730-1989
Primary chemical—Potassium hydrogen phthalate
GB/T 3884.9-2012
Methods for chemical analysis of copper concentrates - Part 9: Determination of arsenic and bismuth contents - Hydride generation- atomic fluorescence spectrometry method The potassium bromate titration method and The silver diethyl dithiocarbamate photometric mothod
YS/T 990.8-2014
Methods for chemical analysis of copper matte—Part 8:Determination of arsenic content—Hydride generation-atomic fluorescence spectrometry、silver diethyldithiocarbamate spectrophotometry and potassium bromate titrimetry
GB/T 641-2011
Chemical reagent - Potassium peroxydisulfate
GB/T 22667-2008
Potassium fluoborade
GB/T 8574-2010
Determination of potassium content for compound fertilizers potassium tetraphenylborate gravimetric method
YS/T 1524-2022
HG/T 2963-2024
HG/T 4512-2013
Potassium bromate for industrial use
QB/T 4479-2013
L(+) Potassium Lactate
NY/T 889-2004
Determination of exchangeable potassium and non-exchangeable potassium content in soil
HG/T 2966-2009
YS/T 1283-2018
Potassium hexachloroplatinate (Ⅳ)
YS/T 1021-2015
Potassium metavanadate