Contaminant and Adduct Search

Search for adducts, repeating units, interferences, and contaminants in mass spectrometry

Example: [M+H] 391.28 → 391, repeating unit 74 → 74, adduct +21.98 → 22.

Useful Tools

Booking GW.4.23

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Adduct Calculator (XLS file)

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The Exact Mass Calculator

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Contaminants in LCMS

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Repeating Units in LCMS

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Mass Differences in LCMS

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Common Phthalates

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Elements and Isotopes

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Waters:
Controlling Contamination

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Waters:
LCMS System Maintenance

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