GB/T 6730.34-2017(\u82f1\u6587\u7248)
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
32008H0098
UNE 55717:1984
SURFACE ACTIVE AGENTS. POLYGLYCOLS. DETERMINATION OF HYDROXYL NUMBER. PHTHALIC ANHYDRIDE ESTERIFICATION METHOD
ISO 6796:1981
Polyglycols for industrial use — Determination of hydroxyl number — Phthalic anhydride esterification method
KS M 1939-2002(2007)
Butadiene for industrial use-Determination of tert-butyl-catechol(TBC)[4-(1,1-dimethylethyl)-1,2 benzenediol]-Spectrometric method
KS M 1941-2002(2007)
Butadiene for industrial use-Determination of active tert-butyl-catechol(TBC)[4-(1,1-dimethylethyl)-1,2 benzenediol]-High performance liquid chromatographic method
ISO 6684:1982
Butadiene for industrial use — Determination of tert-butyl-catechol (TBC) (4- (1,1-dimethyl- ethyl)-1,2 benzenediol) — Spectrometric method
ISO 8176:1986
Butadiene for industrial use — Determination of active tert-butyl-catechol (TBC) (4- (1,1- dimethylethyl)-1,2-benzenediol) — High performance liquid chromatographic method