Ferrotungsten—Determination of manganese content—The periodate spectrophotometric method and the flame atomic absorption spectrometric method
冶金工业信息标准研究院
GB／T 7731的本部分规定了用高碘酸盐分光光度法和火焰原子吸收光谱法测定锰含量。
本部分适用于钨铁中锰含量的测定，包括高碘酸盐分光光度法和火焰原子吸收光谱法。测定范围(质量分数)：0.05％~0.70％。
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