Standard Number: YS/T 581.15-2021(YS/T581.15-2021)
Chinese:氟化铝化学分析方法和物理性能测定方法 第15部分：游离氧化铝含量的测定
English:Methods of chemical analysis and determination of physical properties of aluminum fluoride Part 15: Determination of free alumina content
Effective Date:2021-07-01
Standard Applicability:This document applies to the determination of free alumina content in aluminum fluoride. The weight method is applicable to aluminum fluoride products produced by wet process, and the chemical composition balance calculation method is applicable to aluminum fluoride products produced by all processes, and the determination range is 0.1% to 15%.
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