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The Use of a Molecular Separator in the Determination of Trace Constituents by Combined Gas Chromatography and Mass Spectrometry by T.A. Gough; K.S. Webb is a Chemistry article available to read on EtoBox.
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A method combining gas chromatography and mass spectrometry tion and estimation of traces of volatile nitrosamines in qxtracts is for the detecdescribed. A membrane separator is used and details of its construction and performance are give,n. By peak matching against a rererence compound a detection limit of 2 mg/l of the nitrosamines is achieved. By incorporating a peak cutting system into the gas chromatograph the detection limit is lowered to 0.2 mg/l, which represents a limit of 0.2 ,ug/kg on the original material. .INTRODUCTION 'Fig. 3. Spectrhm of GC effluent.
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- Author
- T.A. Gough; K.S. Webb
- Publisher
- Elsevier Science; Elsevier ; Elsevier BV (ISSN 1873-3778)
- Published
- 1972
- Language
- EN
- Field
- Chemistry (Physical Sciences)