GB/T 3286.4-2012
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
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
GBT3286.4-2012, GB3286.4-2012