Overview
Please answer the following questions-
1.The figure below shows the results of a post-mortem presumptive Marquis reagent test after 60 seconds. Investigators believe the victim may have accidentally overdosed on heroin. Should confirmatory testing be completed? Use the results of the test to support your answer.
[Image unavailable: prelim test.jpg]
2.The TLC was prepared on a sample as follows:
What does the test indicate? Is further testing needed? Why or why not?
[Image unavailable: TLC2.jpg]
Powder found at the scene described in module 1 was taken to the toxicology section of the laboratory for testing. The results of the Scott test are shown below.
[Image unavailable: Scott Test-2.jpg]
3.Is the Scott Test a presumptive or a confirmatory test?
4.Is the Scott test shown above a positive result?
Yes or no5.What drug might be present?
The laboratory technician conducts an infrared spectroscopy test that provides the following spectra:
[Image unavailable: IR2.jpg]
6. The laboratory technician now uses the following website for infrared spectra control data for comparison.
https://spectra-analysis.com/service/infrared-spectra-of-controlled-substances/Links to an external site.
Based on a review of the spectra on the site. What do you believe the drug is?
7.Do the preliminary test (Scott test) and the confirmatory test (Infrared Spectra) indicate the same drug? If not, what could be a possible reason for the difference?
MATERIALS-