DB22/T 1690-2012
NY/T 1971-2010
SY/T 5814-2008
Determination of the content of humic acid in drilling fluids additives containing the same
HG/T 5602\uff5e5604-2019
HG/T 5937-2021
DB51/T 842-2008
HG/T 5938-2021
HG-T 5938-2021
HG/T 5603-2019
DB21/T 3239-2020
SY 5814-2008
BS ISO 5068-1:2007
Brown coals and lignites. Determination of moisture content-Indirect gravimetric method for total moisture
BS ISO 5068-2:2007
Brown coals and lignites. Determination of moisture content-Indirect gravimetric method for moisture in the analysis sample
SY/T 5814-1993
GB/T 3816-1983
Determination of asphalt in montan wax
KS E ISO 5068-1-2018(2023)
Brown coals and lignites — Determination of moisture content — Part 1: Indirect gravimetric method for total moisture
T/NAIA 028-2021
20230879-T-606
Fertilizers and soil conditioners — Determination of humic and hydrophobic fulvic acids concentrations in fertilizer materials
\u0413\u041e\u0421\u0422 \u0420 59014-2020
Brown coals, hard coals and anthracites. Determination of fluorine content
KS E ISO 5068-2-2018(2023)
Brown coals and lignites — Determination of moisture content — Part 2: Indirect gravimetric method for moisture in the analysis sample