China 'GB/T 12690.11-2025 ' standard english version:

NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA

GB/T 12690.11-2025

Chemical Analysis Methods for Non-Rare Earth Impurities in Rare Earth Metals and Their Oxides - Part 11: Determination of Magnesium Content - Flame Atomic Absorption Spectrometry
稀土金属及其氧化物中非稀土杂质化学分析方法-第11部分：镁含量的测定-火焰原子吸收光谱法

Issued Date:2025/8/1

Implemented Date:2026/2/1

Issued by:

The Standardization Administration of the People's Republic of China

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GB Standard Code	GB/T 12690.11-2025
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 11: Determination of Magnesium Content - Flame Atomic Absorption Spectrometry{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11部分：镁含量的测定-火焰原子吸收光谱法
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