GB/T 12690.5-2003 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides Determination of Al、Cr、Mn、Fe、Co、Ni、Cu、Zn、Pb content by inductively coupled plasma atomic emission spectrographic method Determination of Co、Mn、Pb、Ni
稀土金属及其氧化物中非稀土杂质化学分析方法 铝、铬、锰、铁、钴、镍、铜、锌、铅的测定 电感耦合等离子体
| Category No.: | GB |
Valid Status: | superseded |
| Issued Organization: | AQSIQ |
Issued Date: | 2003-01-01 |
| Implemented Date: | 2004-6-1 |
Abolished Date: | |
| Superseded Standard.: | GB/T 12690.5-2017 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides - Part 5: Determination of cobalt, manganese, lead, nickel, copper, zinc, aluminum, chromium, magnesium, cadmium, vanadium and iron contents
|
Superseded Date: | 2018-2-1 |
