GB/T 12689.1-2010
鋅及鋅合金化學(xué)分析方法 第1部分:鋁量的測定 鉻天青S-聚乙二醇辛基苯基醚-溴化十六烷基吡啶分光光度法、CAS分光光度法和EDTA滴定法
Methods for chemical analysis of zinc and zinc alloys—Part 1:Determination of aluminum content—Chromazurol Spolyethylene glycol octyl phenylether-cetylpyridine bromine spectrophotometry,Chromeazurol S spectrophotometric method and EDTA titrimetry
GBT12689.1-2010, GB12689.1-2010