Due to the small amounts of sample gas involved in continuous flow mass spectrometric analysis, care should be taken to evaluate the influence of sample containers on the carbon and oxygen isotope ratios of samples. Data indicate that Na-glass and borosilicate glass vials, equipped with butyl rubber
Sampling and analysis of oxygen in the void volume of ampuls and vials
β Scribed by L. F. Cullen; G. J. Papariello
- Publisher
- John Wiley and Sons
- Year
- 1970
- Tongue
- English
- Weight
- 577 KB
- Volume
- 59
- Category
- Article
- ISSN
- 0022-3549
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The effect of sample vial type and sample composition on the Cerenkov count rate detected from 32P and 36Cl was studied using a liquid scintillation counter. When counting was done in the noncoincident mode, glass vials allowed higher counting efficiency than plastic vials. In the coincident mode li
A m d i e d method for the carbon and oxygen isotope analysis of 'small samples' (<lo0 pg) of common, naturally occurring carbonate minerals (calcite, dolomite, siderite) using conventional phosphoric acid digestion techniques is described. Samples are reacted in vacuo with ca. 30 pL of anhydrous ac