GB/T 3286.4-2012

Methods for chemical analysis of limestone and dolomite - Part 4: The determination of iron oxide content - The o-phenanthroline spectrophotometric method and the flame atomic absorption spectrometric method

石灰石及白云石化学分析方法 第4部分：氧化铁含量的测定 邻二氮杂菲分光光度法和火焰原子吸收光谱法