Journal
ANALYST
Volume 14, Issue 20, Pages 6853-6861Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5an00946d
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Funding
- NSF
- NASA Astrobiology Program under NSF Center for Chemical Evolution [CHE-1004570]
- American Chemical Society, Division of Analytical Chemistry Fellowship - Agilent Technologies
- Direct For Mathematical & Physical Scien
- Division Of Chemistry [1004570] Funding Source: National Science Foundation
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Unlike traditional drift-tube ion mobility-mass spectrometry, traveling-wave ion mobility-mass spectrometry typically requires calibration in order to generate collision cross section (CCS) values. Although this has received a significant amount of attention for positive-ion mode analysis, little attention has been paid for CCS calibration in negative ion mode. Here, we provide drift-tube CCS values for [M - H](-) ions of two calibrant series, polyalanine and polymalic acid, and evaluate both types of calibrants in terms of the accuracy and precision of the traveling-wave ion mobility CCS values that they produce.
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