SY/T 5679-2017
Filtration reducer for drilling uid-Lignite resin SPNH
SY/T 5679-1993
KS E ISO 1017-2022
Brown coals and lignites — Determination of acetone-soluble material(“resinous substance”) in the benzene-soluble extract
GB/T 2561-1981
Lignite wax--Determination ofpropanone soluble substance (resin matter)
ISO 1017:2006
Brown coals and lignites — Determination of acetone-soluble material (\
\u0413\u041e\u0421\u0422 10969-91
Brown coals and lignites. Determination of yield of toluene-soluble extract and content of acetone-soluble materials (resinous substances) in it
ISO 1017:1985
Brown coals and lignites — Determination of acetone-soluble material (\
ISO 1017:1975
Brown coals and lignites — Determination of acetone-soluble material (\