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GB/T 12690.6-2003 standard english preview version PDF file download

GB Standard Code GB/T 12690.6-2003
Standard Category China National Standards
GB Standard English Title Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of iron content--Kalium thiocyanate,1,10-phenanthroline spectrophotometric method
GB Standard Chinese Title 稀土金属及其氧化物中非稀土杂质化学分析方法 铁量的测定 硫氰酸钾、1,10-二氮杂菲分光光度法
Chinese Version Price $15 USD per 50 pages
English Translation Price About $15  per 1 page; Inquire us for detail price

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