China 'GB/T 12690.1-2022 ' standard english version:

NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA

GB/T 12690.1-2022

Chemical analysis methods for non-rare earth impurities in rare earth metals and their oxides—Part 1: Determination of carbon and sulfur content—High frequency-infrared absorption method
稀土金属及其氧化物中非稀土杂质化学分析方法第1部分：碳、硫量的测定高频-红外吸收法

Issued Date:2022/12/30

Implemented Date:2023/7/1

Issued by:

The Standardization Administration of the People's Republic of China

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GB Standard Code	GB/T 12690.1-2022
Standard Category	China National Standards
GB Standard English Title	Chemical analysis methods for non-rare earth impurities in rare earth metals and their oxides—Part 1: Determination of carbon and sulfur content—High frequency-infrared absorption method{译}
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第1部分：碳、硫量的测定高频-红外吸收法
Chinese Version Price	$5.00 per page
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