HG/T 4572-2014
Plastics - Di-hydroxyl polyether polyols
HG/T 4572-2014
Polyglycols for industrial use — Determination of hydroxyl number — Phthalic anhydride esterification method
HG/T 4572-2014
SURFACE ACTIVE AGENTS. POLYGLYCOLS. DETERMINATION OF HYDROXYL NUMBER. PHTHALIC ANHYDRIDE ESTERIFICATION METHOD
HG/T 4572-2014
HG/T 4572-2014
HG/T 4572-2014
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
HG/T 4572-2014
HG/T 4572-2014
HG/T 4572-2014
HG/T 4572-2014
HG/T 4572-2014
Polyglycols for industrial use — Determination of hydroxyl number — Phthalic anhydride esterification method
HG/T 4572-2014
Polyglycols for industrial use — Determination of hydroxyl number — Phthalic anhydride esterification method
HG/T 4572-2014
Non-ionic surface active agents-Polyalkoxylated derivatives -Determination of hydroxyl value-Phthalic anhydride method
HG/T 4572-2014
Test Method for Hydroxyl Groups by Phthalic Anhydride Esterification (Withdrawn 2001)
HG/T 4572-2014
Phthalic and adipic for industrial use-Determination of free alcohols content-Spectrometric method
HG/T 4572-2014
Non-ionic surface active agents — Polyalkoxylated derivatives — Determination of hydroxyl value — Phthalic anhydride method
HG/T 4572-2014
Phthalic and adipic esters for industrial use — Determination of free alcohols content — Spectrometric method
HG/T 4572-2014
Standard Test Method for Determination of Low Level, Regulated Phthalates in Poly &40;Vinyl Chloride&41; Plastics by Thermal Desorption—Gas Chromatography/Mass Spectrometry
HG/T 4572-2014
HG/T 4572-2014