Cargo contraband screening

L. H. Kim; Lucy L. Danylewich-May; Joseph Richard Jadamec; Chih-Wu Su; Stephen W. Rigdon; LaVan J. Norwood; David E. Hoglund

doi:10.1117/12.189177

6 October 1994 Cargo contraband screening

L. H. Kim, Lucy L. Danylewich-May, Joseph Richard Jadamec, Chih-Wu Su, Stephen W. Rigdon, LaVan J. Norwood, David E. Hoglund

Author Affiliations +

Proceedings Volume 2276, Cargo Inspection Technologies; (1994) https://doi.org/10.1117/12.189177
Event: SPIE's 1994 International Symposium on Optics, Imaging, and Instrumentation, 1994, San Diego, CA, United States

Abstract

The IONSCAN^TM 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.

Citation Download Citation

L. H. Kim, Lucy L. Danylewich-May, Joseph Richard Jadamec, Chih-Wu Su, Stephen W. Rigdon, LaVan J. Norwood, and David E. Hoglund "Cargo contraband screening", Proc. SPIE 2276, Cargo Inspection Technologies, (6 October 1994); https://doi.org/10.1117/12.189177

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