- 作者: 駱建樹; 黃榮茂; 彭通均; 蔡惠澤
- 作者服務機構: Institute of Nuclear Energy Research, Atomic Energy Council, Lung-Tan, Taiwan, Republic of China
- 中文摘要:
The determination of trace iron(II) is usually interfered by the presence of iron(III) when ortho-phenanthroline colorimetric method is used. In this report a chromogenic reagent which contains ortho-phenanthroline-EDTA mixture has been developed to decrease the interference of ferric ion after adjusting the acidity of sample at 0.1N by adding the sulfuric acid.
The procedure is also simplified by introducing sulfamate buffer solution )pH=1.5) without adjusting the acidity of sample with sulfuric acid. If iron(III) is not present in the sample, this method is also applicable. The comparative results are exhibited for the present method and the conventional o-phenanthroline method. - 英文摘要: --
- 中文關鍵字: --
- 英文關鍵字: --