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Bull. Spec. CORESTA Congress, Yokohama, 1996, p. 208, S7

Evaluation of fast gas chromatography for the analysis of tobacco components

YANG S.S.; SMETENA I.

Philip Morris USA, Research Center, Richmond, VA, USA

Combining experimental skills and novel technologies, gas chromatographic analyses of tobacco can be shortened from 30-60 minutes to several minutes. The dramatic increase in separation speed is achieved with little or no cost in the separation quality. ...
Bull. Spec. CORESTA Congress, Harare 1994, p. 184, S 9

Determination of small ionic compounds in tobacco and related materials by capillary electrophoresis

YANG S.S.; SMETENA I.

Philip Morris USA, Richmond, VA, USA

The separation and quantitation of organic compounds such as alkaloids and short-chain organic acids often encounter some difficulties due to their ionic characteristics. For example, two common problems in nicotine analysis, the adsorption in the liner ...