部分标准内容:
J77.045.30
中华xxxx国G家标准
GB/T12689.7—2004
代警GB/T12689.71990
锌及锌合金化学分析方法
镁量的测定火焰原子吸收光谱法The methods for chemical analysis of zine and zinc: alloysThe dctcrminatinn of magneglum content'lhe flame atomic absorption spcctronetric method(1SO3750.1976,Zincalloys--Delerfrinalionofmagnexium cuntentAtomic absorption mcihpd,MoO2004-04-30发帝
中华人代...................
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