YB/T 190.8-2014
Continuous casting powder - The determination of iron content - The o-phenanthroline spectrophotometric method and the flame atomic absorption method
YB/T 190.8-2014
Non-ionic surface active agents-Polyalkoxylated derivatives -Determination of hydroxyl value-Phthalic anhydride method
YB/T 190.8-2014
Polyglycols for industrial use — Determination of hydroxyl number — Phthalic anhydride esterification method
YB/T 190.8-2014
SURFACE ACTIVE AGENTS. POLYGLYCOLS. DETERMINATION OF HYDROXYL NUMBER. PHTHALIC ANHYDRIDE ESTERIFICATION METHOD
YB/T 190.8-2014
Test Method for Hydroxyl Groups by Phthalic Anhydride Esterification (Withdrawn 2001)
YB/T 190.8-2014
Non-ionic surface active agents — Polyalkoxylated derivatives — Determination of hydroxyl value — Phthalic anhydride method
YB/T 190.8-2014
Guaiacol (o-Hydroxyanisole)
YB/T 190.8-2014
O-Hydroxybenzoic acid(Salicylic acid)
YB/T 190.8-2014
1-Hydroxyethylidene-1,1-diphosphonate acid
YB/T 190.8-2014
Phthalic anhydride
YB/T 190.8-2014
4,4’-Sulfonyldiphenol(Bisphenol-S)
YB/T 190.8-2014
ο-Phenylenediamine
YB/T 190.8-2014
o-Dicholorobenzene
YB/T 190.8-2014
Dibutylphthalate for industrial use
YB/T 190.8-2014
Di-(2-ethylhexyl)phthalate for industrial use
YB/T 190.8-2014
o-Dicholorobenzene
YB/T 190.8-2014
YB/T 190.8-2014
Plastics - Di-hydroxyl polyether polyols
YB/T 190.8-2014
YB/T 190.8-2014