Volume 40, Issue 3 (May 1995)
Identification and Quantitation of Norcocaine in Illicit Cocaine Samples
A gas chromatographic method for determining norcocaine concentration in cocaine powder is presented. The lower detection limit was 0.01%. GC/MS was used to confirm the presence of norcocaine. Norcocaine concentrations in 170 of 198 illicit cocaine samples tested ranged from 0.01% to 3.70%, with an average of 0.54%. Norcocaine was not detected in 28 of the 198 samples.