期刊文献+

粪便样品中Fe同位素比值的ICP-MS 测定研究 被引量:1

Study for Determination of isotope ratios of iron in faeces By Double Focusing High Resolution ICP-MS
下载PDF
导出
摘要 A determination method for isotope ratios of iron in faeces samples is studied in this paper. The sample is decomposed in microwave oven by HNO3. A double focusing ICP-MS mass spectrometer (ELEMENT) working at resolution of 3000 allows the complete resolution of polyatomic ions overlapping. Instrumental parameters of the mass spectrometer are optimized for optimum precision. The RSD values obtained for the isotope ratios of 54Fe/56Fe, 57Fe/56Fe and 58Fe/56Fe are 0.23, 0.14, 0.22%, respectively, for a natural standard solution of 5ug/ml. The method has been used to iron nutrition studies. A determination method for isotope ratios of iron in faeces samples is studied in this paper. The sample is decomposed in microwave oven by HNO3. A double focusing ICP-MS mass spectrometer (ELEMENT) working at resolution of 3000 allows the complete resolution of polyatomic ions overlapping. Instrumental parameters of the mass spectrometer are optimized for optimum precision. The RSD values obtained for the isotope ratios of 54Fe/56Fe, 57Fe/56Fe and 58Fe/56Fe are 0.23, 0.14, 0.22%, respectively, for a natural standard solution of 5ug/ml. The method has been used to iron nutrition studies.
出处 《质谱学报》 EI CAS CSCD 2000年第3期171-172,共2页 Journal of Chinese Mass Spectrometry Society
  • 引文网络
  • 相关文献

同被引文献8

引证文献1

二级引证文献3

相关主题

;
使用帮助 返回顶部