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International Standard Category: Other non-ferrous metals and their alloys

GB/T 12690.2-2015    Chemical analysis methods for non-rare earth impurity of rare earth metals and their oxides―Part 2:Determination of ignition loss content of rare earth oxides―Gravimetric method
稀土金属及其氧化物中非稀土杂质化学分析方法 第2部分:稀土氧化物中灼减量的测定 重量法 ;
Category No.:77.120.99 Valid Status:valid
Issued Organization:AQSQA AND SAC Issued Date:2015-09-11
Implemented Date:2016-4-1 Abolished Date:
Superseded Standard.: Superseded Date:
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