The ways of analyzing drugs and identifying them are microcrystalline tests, gas chromatography, mass spectrometry, and spectrophotometry. Microcrystalline tests are more specific than the color tests and is uses the polarizing microscope. Gas chromatography is when the sample is separated into its different components based on size and chemical structure. Mass spectrometry fragments the molecules in the sample and that pattern of fragmentation helps with the identification of the substance when compared to a known standard. Spectrophotometry identifies substances by measuring how it absorbs the different wavelengths of light including; UV, visual, and infrared. There are all used to decipher the chemicals compositions of the sample to determine what kind of drug is contained in the substance, including how pure the substance is as well.
The Scientific Working Group for drugs is SWGDRUG. They set out guidelines for the professionals that practice in the drug analysis. Some of the guideline includes training and continuous training, sample schemes and procedure, and reporting to name a few. The training guideline set out what you have to s...
... middle of paper ...
...erent drugs as being analyzed all the time. With technological advances identification is getting easier and more precise.
The vast multitude of drugs will keep this kind of analysis alive for decades to come. Most sections of forensic science have a Scientific Working Group that sets guidelines and according to the NAS Report the SWGDRUG sets impeccable standards and if they are followed should produce actuate and reliable results.
National Research Council (U.S.). (2009). Strengthening forensic science in the United States: A path forward. Washington, D.C: National Academies Press.
Saferstein, Richard. (2012). Forensic Science: From the Crime Scene to the Crime Lab. Prentice Hall.
United States Department Of Justice Drug Enforcement Administration. (2013). Scientific working group for the analysis of seized drugs (swgdrug) recommendations.
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