HG/T 4878~4879-2016
HG/T 4878-2016
Potassium tert-butoxide for industrial use
QJ 1591.2-1989
T/JSQA 134-2022
DB32/ 00C111.11-1989
SH/T 1497-2002
Tert-butylalcohol for industrial use -Determination of purity and impurities - Gas chromatographic method
ISO 5318:1983
Fertilizers — Determination of potassium content — Potassium tetraphenylborate gravimetric method (Reference method)
SH/T 1497-1992
ISO 2485:1973
Potassium sulphate for industrial use — Determination of potassium content — Gravimetric method as potassium tetraphenylborate