行业标准

YB/T 190.11-2001 连铸保护渣化学分析方法 高碘酸钠(钾)光度法和火焰原于吸收光谱法测定氧化锰含量

Methods for chemical analysis of continuous casting mold powder—The sodium(potassium) periodate photometric method and the flame atomic absorption spectrometric method for the determination of manganese oxide content

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