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The Habeas Citebook: Prosecutorial Misconduct - Header
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A New Approach to Drug Testing: Electrochemical Sensors and Raman Spectroscopy

by Jo Ellen Knott

Forensic laboratories screen for drugs using a combination of presumptive and confirmatory tests. The presumptive test indicates the presence or absence of a drug and is usually done in the field by law enforcement using colorimetric tests. The confirmatory testing is usually done in a lab ...

 

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