The Confirmatory Method Of Identifying Illegal

Question

The confirmatory method of identifying illegal drugs is GC-MS. The suspected drug is analyzed and…

The confirmatory method of identifying illegal drugs is GC-MS.
The suspected drug is analyzed and its spectrum is compared to a
library of spectra. Using the following spectra, is it possible to
identify the evidence sample? Justify either a positive or negative
finding.

Evidence 100 80 60 40 20 0 0 50 100 150 200 250 300 350 400 w/s Morphine 100 80 e0 40 20 LSD 100 80 S 40 3 20 д 50 100 150 200 250 300 350 400 m/s 0 50 100 150 200 250 300 350 400 m/s Heroin 100 100 80 60 e 40 20 40 g 20 0 50 100 150 200 250 300 350 400 50 100 150 200 250 300 350 400

Solutions

Expert Solution

Yes, it is possible to find out the evidence of drugs in the
sample. The GC-MS spectra of individual drugs are provided and if
the retention time of the components of drugs are seen in sample's
GC-MS spectra then its components can be found out. It can be seen
from the comparison of spectra, the sample's spectra has a lot more
similarity to Morphine's spectra. The components with m/z ratio of
50, 120,160,210 and 300 are present in both,Morphine and drug
sample. Thus, it can be confirmed that the components of atleast
morphine are present in the sample. There are certain peaks in
sample's spectra that do not belong to any of the drug's spectra
which can be attributed to the components that are mixed along with
the drug for its dilution.


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