JIS K1201-5-2000
工业用碳酸钠.第5部分:铁含量的测定.1,10-菲咯啉分子吸收光谱测定法、原子吸收光谱测定法和感应耦合等离子体原子发射光谱测定法
Sodium carbonate for industrial use -- Part 5: Determination of iron content -- 1,10-Phenanthroline molecular absorption spectrometry, Atomic absorption spectrometry, and inductively coupled plasma atomic emission spectrometry