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

GB/T 12690.6-2017    Chemical analysis methods for non-rare earth impurity of rare earth metals and their oxides - Part 6: Determination of iron content - Kslium thiocyanate, 1, 10-Phenanthroline spectrophotometric method
稀土金属及其氧化物中非稀土杂质化学分析方法 第6部分:铁量的测定 硫氰酸钾、1,10-二氮杂菲分光光度法 ;
Category No.:77.120.99 Valid Status:valid
Issued Organization:AQSIQ; SAC Issued Date:2017-10-14
Implemented Date:2018-5-1 Abolished Date:
Superseded Standard.: Superseded Date:
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