Page 32 - Prescription for Crime Drug Testing
P. 32
Post-Lab
Questions
1. Why is it important to do a presumptive test 5. What data do you get from a GC-Mass Spec?
before performing a confirmatory test?
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6. In measuring the peaks of the unknown and
2. Which powders had the strongest reactions comparing it to the known samples, what
during the white powder test? drug was found at the scene of the crime?
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3. Which two powders reacted the most similarly 7. What was the concentration of the drug that
to each other? was found? Why is it important to know the
............................................................................... concentration and amount?
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4. According to your white powder test, what is
the identity of the cutting agent in the powder
found at the scene of the crime?
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32 THE MYSTERY OF LYLE AND LOUISE
