Download Analysis of Controlled Substances by Michael D. Cole PDF

By Michael D. Cole

Providing new advancements in sampling and drug profiling, this e-book additionally offers sensible info on the right way to perform research, what the consequences suggest and the way they are often used as court docket facts and for medications intelligence purposes.

* contains case-studies with complete information and spectra, supporting readers to spot substances
* Accessibly equipped by means of category of compound
* comprises an up to date checklist of the latest medicinal drugs

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Extra resources for Analysis of Controlled Substances

Example text

2 Illustration of a ‘ghost’ on LSD blotter acid, with each image covering a few dose units. Copyright Michael D. Cole, Anglia Polytechnic University, Cambridge, UK, and reproduced with permission. 2). 1 Why is it necessary to record in such detail the physical information relating to an LSD seizure? Answer By recording such information, it may be possible to relate one or more samples to each other. This may be especially important when seizures from different occasions are being compared, or comparison between seizures is being made in different laboratories.

Having collected the data, a calibration curve should be plotted. Since amphetamine is frequently synthesized in dirty apparatus in ‘clandestine’ laboratories, it may not be possible to determine which salt form of the drug is present. The standard is generally supplied as the sulfate form, of the general formula (amphetamine)2 sulfate. This means that for every gram of amphetamine sulfate, 73% will be present as the amphetamine free base. The calibration curve should be plotted as (UV detector) response against concentration of amphetamine free base.

Having carried out the control procedures, the item(s) to be examined should then be swabbed, individually, by using a clean swab soaked in a suitable solvent. A suitable solvent should freely dissolve the drug material, not cause decomposition of the drug or react with it, and be amenable to subsequent analytical procedures. It should be remembered that the swabbing process should leave enough material intact for a second and subsequent analysis. If the swab is not to be used immediately, it should be dried and stored until needed.

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