I would greatly appreciate if someone could upload the following articles.
Thank you in advance!
1, Rapid thin-layer chromatographic separation of cocaine from codeine, heroin, 6-monoacetylmorphine, morphine and quinine on microscope slides
Purchase
Microchemical Journal Volume 18, Issue 2, April 1973, Pages 142-145
J. Paul and F. Conine2
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http://dx.doi.org/10.1016/0026-265X(73)90095-72,Thin-layer chromatographic analysis of cocaine and benzoylecgonine in urine
Journal of Chromatography A Volume 114, Issue 2, 26 November 1975, Pages 433-441
Jack E. Wallacea, Horace E. Hamiltona, Harvey Schwertnera, David E. Kinga, John L. McNayb and Kenneth Blumb
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http://dx.doi.org/10.1016/S0021-9673(01)92008-4Journal of Chromatography A Volume 152, Issue 2, 23 June 1976, Pages 589-591
Derk Eskesa
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http://dx.doi.org/10.1016/S0021-9673(00)85106-7