6 October 1994 Cargo contraband screening
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Abstract
The IONSCANTM operating parameters for detection of benzoic acid and acetic acid have been optimized. Various materials and chromatographic coatings were investigated for the vapor preconcentration of benzoic acid, acetic acid and cocaine. Limited field trials indicated a possibility of detecting benzoic acid from seized cocaine shipment. From the laboratory investigation and some field tests it has been shown that cocaine free base is present in cocaine hydrochloride in sufficiently high concentration to provide constant supply of cocaine vapors in the headspace for a long period of time.
© (1994) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
L. H. Kim, L. H. Kim, Lucy L. Danylewich-May, Lucy L. Danylewich-May, Joseph Richard Jadamec, Joseph Richard Jadamec, Chih-Wu Su, Chih-Wu Su, Stephen W. Rigdon, Stephen W. Rigdon, LaVan J. Norwood, LaVan J. Norwood, David E. Hoglund, David E. Hoglund, } "Cargo contraband screening", Proc. SPIE 2276, Cargo Inspection Technologies, (6 October 1994); doi: 10.1117/12.189177; https://doi.org/10.1117/12.189177
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