Reduction of plyatomic ion interferences in indictively coupled plasma mass spectrometry with cryogenic desolvation
- Iowa State Univ., Ames, IA (United States)
A desolvation scheme for introducing aqueous and organic samples into an argon inductively coupled plasma is described; the aerosol generated by nebulizer is heated (+140 C) and cooled (-80 C) repeatedly, and the dried aerosol is then injected into the mass spectrometer. Polyatomic ions are greatly suppressed. This scheme was validated with analysis of seawater and urine reference samples. Finally, the removal of organic solvents by cryogenic desolvation was studied.
- Research Organization:
- Ames Lab., IA (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- W-7405-ENG-82
- OSTI ID:
- 10185070
- Report Number(s):
- IS-T--1659; ON: DE93041125
- Country of Publication:
- United States
- Language:
- English
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