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Future Journal of Pharmaceutical Sciences
Fig. 3 | Future Journal of Pharmaceutical Sciences

Fig. 3

From: Detection of 6-monoacetylemorphine in hair sample of heroin addicts using gas chromatography–mass spectrometry and significance of rehabilitation program

Fig. 3

Representative GC–MS chromatograms for the 6-MAM in addicts’ and rehab groups, blank hair, blank hair with the internal standard, rehab group, and regular addict group (a–d). Internal standard shows that a peak at 7.22 min which correspondingly peaks for target metabolite 6-MAM was observed in the rehab group and regular addicts’ group (c, d) indicating the definite presence of 6-MAM at a specified time corresponding to that as in b. However, certain peaks other than for 6-MAM attribute sample impurity

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