GB/T 2590.4-1981 氧化锆.氧化铪中铝量的测定(铬天青S-氯化十四烷基吡啶吸光光度法)
Zirconium and hafnium oxides;Determination of aluminum content;Chromazurol S-tetradecyl pyridine bromide photometric method
本消息来源与:标准信息查询网
http://www.bz01.com/about.asp
http://www.bz01.com/GBFile/std_GB146.html