GB/T 15072.11-2008 贵金属合金化学分析方法 金合金中钆和铍量的测定 电感耦合等离子体原子发射光谱法 Test method of precious metal alloys - Determination of gadolinium and beryllium contents for gold alloys - Inductively coupled plasma atomic emission spectrometry
Test method of precious metal alloys - Determination of gadolinium and beryllium contents for gold alloys - Inductively coupled plasma atomic emission spectrometry