<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Watery tobacco extracts were examined with the aid of flow-injection analysis (FIA) for the substances nicotine, nitrate, chloride, ammonium and phosphate. The results proved to be exact and reproducible for the most part and the speed of analysis was between 37 and 113 measurements per hour. Because of its simple modular design the appliance is flexible in its application and is above all suited for the analysis for several components in small series of samples. A special FIA technique (stopped-flow method) enables the undersurface absorption stemming from the sample matrix to be excluded. The solutions used must exhibit uniform fluid composition and the formation of gas bubbles in the analysis system must be excluded.</p></abstract>

Watery tobacco extracts were examined with the aid of flow-injection analysis (FIA) for the substances nicotine, nitrate, chloride, ammonium and phosphate. The results proved to be exact and reproducible for the most part and the speed of analysis was between 37 and 113 measurements per hour. Because of its simple modular design the appliance is flexible in its application and is above all suited for the analysis for several components in small series of samples. A special FIA technique (stopped-flow method) enables the undersurface absorption stemming from the sample matrix to be excluded. The solutions used must exhibit uniform fluid composition and the formation of gas bubbles in the analysis system must be excluded.

Automated Tobacco Investigation Using Flow-Injection Analysis (FIA) - AutomatisierteTabakuntersuchungmittelsFliessinjektionsanalyse (FlA)

Forschung und Entwicklung, BAT Cigarettenfabriken GmbH, Hamburg, Germany

Contributions to Tobacco & Nicotine Research

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Watery tobacco extracts were examined with the aid of flow-injection analysis (FIA) for the substances nicotine, nitrate, chloride, ammonium and phosphate. The...

Automated Tobacco Investigation Using Flow-Injection Analysis (FIA) - AutomatisierteTabakuntersuchungmittelsFliessinjektionsanalyse (FlA)

Pubblicato online: 06 gen 2015

Pagine: 105 - 118

Ricevuto: 21 ago 1987

Accettato: 26 apr 1988

DOI: https://doi.org/10.2478/cttr-2013-0590

© 1988 Beiträge zur Tabakforschung International

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.