Polynomial mass bias functions for the internal standardization of isotope ratio measurements by multi-collector inductively coupled plasma mass spectrometry |
| |
Authors: | William Doherty D Conrad GrégoireNicole Bertrand |
| |
Institution: | Analytical Chemistry Research Laboratories, Geological Survey of Canada, 601 Booth St., Ottawa, Canada K1A 0E8 |
| |
Abstract: | The development and application of a calibration strategy for routine isotope ratio analysis by multi-collector inductively coupled plasma mass spectrometry (ICP-MS) is described and assessed. Internal standardization was used to account for the mass dependant determinate error (mass bias). The general solution for polynomial isotope ratio mass bias functions for use with internal standardization and isotope ratio measurements by multi-collector inductively coupled plasma mass spectrometry was derived. The resulting linear isotope ratio mass bias function was demonstrated to be mathematically consistent and experimentally realistic for the analysis of acidified aqueous solutions of analyte and internal standard elements (clean solutions) by multi-collector inductively coupled plasma mass spectrometry. |
| |
Keywords: | Multi-collector ICP-MS Calibration Isotope ratio Internal standardization Mass bias |
本文献已被 ScienceDirect 等数据库收录! |