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Routine low-level monitoring of polar pesticides and pesticide degradates by HPLC/ESI-MS: Evaluating long-term performance

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Abstract

The sensitivity and selective determination of polar pesticides were analyzed using high-performance liquid chromatography/electrospray ionization-mass spectrometry (HPLC/ESI-MS). The effects of multiple operators and instruments on method performance were evaluated using 440 pairs of fortified reagent-water and blank reagent-water samples. The influence of varying environmental matrices on recovery and precision were also analyzed using 200 fortified ambient water samples and duplicate ambient water samples. The results show that compound stability in filtered water was matrix-, chemical class- and compound-dependent which ranged from 1 day to 2 weeks.

Additional Publication Details

Publication type:
Conference Paper
Publication Subtype:
Conference Paper
Title:
Routine low-level monitoring of polar pesticides and pesticide degradates by HPLC/ESI-MS: Evaluating long-term performance
Year Published:
2002
Language:
English
Larger Work Title:
Proceedings 50th ASMS Conference on Mass Spectrmetry and Allied Topics
First page:
651
Last page:
652
Number of Pages:
2
Conference Title:
Porceedings - 50th ASMS Conference on Mass Spectrometry and Allied Topics
Conference Location:
Orlando, FL
Conference Date:
2 June 2002 through 6 June 2002