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Trace element determinations in Fe–Mn oxides by high resolution ICP-MS after Tm addition
In order to propose an optimal analytical procedure specific to ferromanganese (Fe–Mn) oxides, we investigated different modes of data acquisition using inductively coupled plasma mass spectrometry (ICP-MS). The results of trace element and Rare Earth Element (REE) determination in eight Fe–Mn nodul...
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Published in: | Talanta (Oxford) 2021-10, Vol.233, p.122446-122446, Article 122446 |
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Main Authors: | , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | In order to propose an optimal analytical procedure specific to ferromanganese (Fe–Mn) oxides, we investigated different modes of data acquisition using inductively coupled plasma mass spectrometry (ICP-MS). The results of trace element and Rare Earth Element (REE) determination in eight Fe–Mn nodules and crusts (FeMn-1, GSMC-1, GSMC-2, GSMC-3, GSPN-2, GSPN-3, NOD-A-1 and NOD-P-1) are presented here. The analytical procedure involves chemical dissolution of the Fe–Mn oxides and addition of a thulium (Tm) spike. The correction of measured values from potential isobaric interferences was investigated using both corrections based on mono-elemental solutions, and data acquisition in the high-resolution mode. The obtained results show that the high-resolution acquisition mode is unnecessary to achieve high quality data for REE in Fe–Mn oxides. Using our revised method, we provide a consistent set of precise and accurate values for eight widely used but poorly characterized certified reference materials.
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•Revised methodology for trace element characterization of Fe–Mn oxides by ICP-MS.•REE and trace element abundances were determined in low and high resolution modes.•LR presents better RSD than the HR acquisition mode (2.5% vs 6.5%).•HR is unnecessary to achieve high quality REE measurements for Fe–Mn oxides.•We provide new reference data on a set of eight Fe–Mn standards. |
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ISSN: | 0039-9140 1873-3573 |
DOI: | 10.1016/j.talanta.2021.122446 |