SB/T 0921-2012
SB/T 0921-2012
SB/T 0921-2012
铁矿石 锡含量的测定 邻苯二酚紫-溴化十六烷基三甲胺分光光度法
SB/T 0921-2012
Non-ionic surface active agents-Polyalkoxylated derivatives -Determination of hydroxyl value-Phthalic anhydride method
SB/T 0921-2012
Polyglycols for industrial use — Determination of hydroxyl number — Phthalic anhydride esterification method
SB/T 0921-2012
SURFACE ACTIVE AGENTS. POLYGLYCOLS. DETERMINATION OF HYDROXYL NUMBER. PHTHALIC ANHYDRIDE ESTERIFICATION METHOD
SB/T 0921-2012
Test Method for Hydroxyl Groups by Phthalic Anhydride Esterification (Withdrawn 2001)
SB/T 0921-2012
Non-ionic surface active agents — Polyalkoxylated derivatives — Determination of hydroxyl value — Phthalic anhydride method