GB/T 12689.1-2004
鋅及鋅合金化學(xué)分析方法 鋁量的測(cè)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
The methods for chemical analysis of zinc and zinc alloys-The determination of aluminum content-The chromazurol S-polyethylene glycol octyl phenylether-cetylpyridine bromine spectrophotometric method and The chromeazurol S spectrophotometric method and th
GBT12689.1-2004, GB12689.1-2004