Procedures have been developed for analyzing, by quadrupole mass spectrometry, gases contained in bubbles within glass. Commonly sought‐for species are detected individually at minimum levels of 3 to 70x10 −4 nL (STP) in bubbles 0.1 to 1 mm in diameter. Calibration is obtained by analyzing certified gas mixtures contained in glass capillaries at known pressures and volumes.
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Shick et al. (1982) studied this question.