%0 Journal Article %T Determination of Volatile Acids in Tobacco, Tea, and Coffee Using Derivatization—Purge and Trap Gas Chromatography—Selected Ion Monitoring Mass Spectrometry %A Clark, T. Jeffrey %A Bunch, John E. %J Journal of Chromatographic Science %V 35 %N 5 %P 206-208 %@ 0021-9665 %D 1997-05-01 %I Oxford University Press %~ DeepDyve