GB/T 15072.15-2008 贵金属合金化学分析方法 金、银、钯合金中镍、锌和锰量的测定 电感耦合等离子体原子发射光谱法 Test method of precious metal alloys - Determination of nickel zinc and manganese contents for gold silver and palladium alloys - Inductively coupled plasma atomic emission spectrometry
Test method of precious metal alloys - Determination of nickel zinc and manganese contents for gold silver and palladium alloys - Inductively coupled plasma atomic emission spectrometry