By Andreas Maehly, Lars Strömberg (auth.)
ISBN-10: 3642680615
ISBN-13: 9783642680618
ISBN-10: 3642680631
ISBN-13: 9783642680632
In contemporary years, a few textbooks on forensic technology were released, such a lot of them directed to 2 teams, viz. the scholars of forensic technological know-how, and the purchasers as a way to say, (prosecutors, cops, judges, safeguard lawyers). during this e-book, whereas overlaying basic techniques, we attempt to move a bit extra and tackle additionally lively staff within the box of forensic chemistry. this is often generally accomplished by way of rather nu merous literature references. we are hoping that they might support the forensic chemist in penetrating extra into the topics coated during this quantity. on the finish of such a lot chapters there are examples of tangible circumstances dealt with on the Swedish nationwide Laboratory of Forensic technological know-how. lots of those instances may possibly, without doubt, were investigated in higher aspect, yet they replicate the compromises usually precious for reaching an inexpensive turnover. a few elements of the booklet are fairly strongly coloured by means of the private reviews of the authors. We felt that those passages will supply a bit extra lifestyles to the textual content than in different treatises of a extra aim, yet probably duller personality. The authors welcome all positive feedback with a purpose to aid to enhance the ebook, may still there be a moment edition.
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Extra info for Chemical Criminalistics
Sample text
The achieved precision may not be better than ± 5% but this is quite sufficient for most forensic purposes. By coincidence, two of the most dangerous drugs, morphine and heroin may be quantified by simple gravimetric methods, because the basic forms of these drugs are crystalline, non-volatile and sparingly soluble in water. In such analyses, coprecipitation of water-soluble diluents may occur but this is generally remedied by solvent extraction of the bases in question. 7. Practical Examples a.
P. Rice: Rapid Detection of Some Basic Drugs by Thin-layer Chromatography. J. Chromatogr. 117,449 (1976) A. C. Moffat, K. W. Smalldon: Optimum Use of Paper, Thin-layer and Gas-liquid Chromatography for the Identification of Basic Drugs. II Paper and Thin-layer Chromatography. J. Chromat. 90,9 (1974) A. C. Moffat, B. Clare: Choice of Paper and Thin-layer Chromatographic Systems for Analysis of Basic Drugs. J. Pharm. Pharmacol. 26, 665 (1974) A. C. Moffat: The Standardisation of Thin-layer Chromatographic Systems for the Identification of Basic Drugs.
Common sources of drug seizures are typical examples of such relationships. The methods used for this purpose were reviewed by Sanger et al. in 1979 [14] and may be divided into groups according to the following scheme. A. Physical or "ballistic" methods for comparing items having characteristic external properties, e. g. tablets, capsules and fractured hashish cakes. B. Chemical methods for the analysis of items lacking characteristic external properties, such as white powders or solutions. I.
Chemical Criminalistics by Andreas Maehly, Lars Strömberg (auth.)
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