Detection of iron species using inductively coupled plasma mass spectrometry under cold plasma temperature conditions

Li-Shing Huang, King Chuen Lin*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

47 Scopus citations

Abstract

Under the conditions of low radio frequency (rf) power of 600 W and aerosol gas flow rate of 1.25-1.35 l/min, 56Fe (or 54Fe) ions can be detected from the isobaric interference of the ArO+ (or ArN+) matrix. Using this method, the detection limit of 56Fe can reach 16 ng/l (ppt), 60 times smaller than by normal plasma conditions at 1200 W rf power. The linear dynamic range of the analyte measurement extends to 1000 ng/ml (ppb).

Original languageEnglish
Pages (from-to)123-128
Number of pages6
JournalSpectrochimica Acta - Part B Atomic Spectroscopy
Volume56
Issue number1
DOIs
StatePublished - 15 Jan 2001

Keywords

  • Cold plasma
  • Inductively coupled plasma mass spectroscopy
  • Iron
  • Isobaric interference

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