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
GB/T 11200.1-2006
Sodium hydroxide for industrial use - Determination of sodium chlorate content - O-Tolidine spectrometric method
GB/T 11200.1-1989
Membrane process sodium hydroxide--Determination of sodium chlorate content--o-Tolidine spectrometric method
BS EN 12766-3:2004
Petroleum products and used oils. Determination of PCBs and related products-Determination and quantification of polychlorinated terphenyls (PCT) and polychlorinated benzyl toluenes (PCBT) content by gas chromatography (GC) using an electron capture detector (ECD)
EN 12766-3:2004/AC:2007