KS M ISO 4327-20032023)
Non-ionic surface active agents-Polyalkoxylated derivatives -Determination of hydroxyl value-Phthalic anhydride method
KS M ISO 4327-20032023)
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
KS M ISO 4327-20032023)
Non-ionic surface active agents — Polyalkoxylated derivatives — Determination of hydroxyl value — Phthalic anhydride method
KS M ISO 4327-20032023)
Non-ionic surface active agents—Polyalkoxylated derivatives—Determination of hydroxyl value—Phthalic anhydride method
KS M ISO 4327-20032023)
Non-ionic surface active agents-Polyalkoxylated derivatives -Determination of hydroxyl value-Phthalic anhydride method
KS M ISO 4327-20032023)
SURFACE ACTIVE AGENTS. POLYGLYCOLS. DETERMINATION OF HYDROXYL NUMBER. PHTHALIC ANHYDRIDE ESTERIFICATION METHOD
KS M ISO 4327-20032023)
Polyglycols for industrial use — Determination of hydroxyl number — Phthalic anhydride esterification method