HG/T 4878~4879-2016
HG/T 4878-2016
Potassium tert-butoxide for industrial use
T/JSQA 134-2022
SH/T 1497-2002
Tert-butylalcohol for industrial use -Determination of purity and impurities - Gas chromatographic method
SH/T 1497-1992
GB/T 29676-2013
Determination of chlorobutanol in cosmetics - Gas chromatography-mass spectrometry
SH/T 1496-2022
SN/T 4569-2016
Determination of methanol,ethanol,1-propanol,2-propanol,1-butanol,isobutanol,tert-butanol and 2-butanol in biodiesel-Gas chromatography
SH/T 1497-2022
GB/T 8574-2024
Determination of potassium content for compound fertilizers
GB/T 8574-2010
Determination of potassium content for compound fertilizers potassium tetraphenylborate gravimetric method
NY/T 2540-2014
Fertilizers - Determination of potassium content
NY/T 889-2004
Determination of exchangeable potassium and non-exchangeable potassium content in soil
NY/T 2273-2012
NY/T 2420-2013
Determination of total potassium in plant-Flame photometry method
NY/T 1977-2010
SH/T 1496-1992
SN/T 3809-2014
Determination of potassium content in potassium chloride and potassium sulphate - X-ray fluorescence spectrometry
YB/T 5041-2012
Molybdenum oxide-Determination of sulfur content-Combustion-potassium iodate volumetric method
DB22/T 250-2018