Standard Number: YB 4012-1991(YB4012-1991)
Chinese:优质镁砂化学分析方法高碘酸钾光度法测定氧化锰量
English:Chemical analytical method for high quality magnesium sand Determination of manganese oxide by potassium periodate photometric method
Effective Date:1992-01-01
Standard Applicability:
PDF Downloadable: N
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