Storage of breath samples for H2 analyses

Carol J. Ellis, Julie M. Kneip, Michael D Levitt

Research output: Contribution to journalArticlepeer-review

16 Scopus citations


Breath hydrogen tests are limited by leak of gases from breath samples from standard glass or plastic syringes. These losses may be substantial when these samples are stored for long periods of time. We describe a simple manipulation involving the use of a mineral oil or water seal at the end of the syringe barrel that markedly reduces the leakage of H2 and other gases to negligible levels.

Original languageEnglish (US)
Pages (from-to)822-824
Number of pages3
Issue number3
StatePublished - Mar 1988
Externally publishedYes


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