Practical Aspects Of Absorption Spectrophotometry


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Practical Aspects of Absorption Spectrophotometry


Practical Aspects of Absorption Spectrophotometry

Author: Institute of Chemistry of Great Britain and Ireland

language: en

Publisher:

Release Date:


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Analytical and Practical Aspects of Drug Testing in Hair


Analytical and Practical Aspects of Drug Testing in Hair

Author: Pascal Kintz

language: en

Publisher: CRC Press

Release Date: 2006-08-30


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Written by well-known, international authors, this comprehensive reference provides practical coverage of the best hair drug testing techniques and examines the drugs themselves. The authors review all new developments, the validation of analytical procedures, and the interpretation of data. Some of the applications discussed include doping, drug-facilitated crime investigating, workplace testing, and the granting of drivers' licenses. The authors describe specific drugs, such as opiates, cocaine, and cannabis, and discuss the different testing methods of them. The book also covers postmortem toxicology, pitfalls created by passive exposure, and testing for metals, including inductively coupled plasma spectrometry (ICP-MS), hair multielemen

Interpretation of the Ultraviolet Spectra of Natural Products


Interpretation of the Ultraviolet Spectra of Natural Products

Author: A. I. Scott

language: en

Publisher: Elsevier

Release Date: 2013-10-22


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Interpretation of the Ultraviolet Spectra of Natural Products focuses on the ultraviolet spectrum of chromophores. The book first discusses single chromophores, including absorption due to electron lone pairs in saturated systems and absorption of olefins, alkynes, carbonyl compounds, and thiocarbonyl compounds. The text also takes a look at conjugated chromosomes, such as polyenes, enynes, and conjugated azomethines. The selection also evaluates C-aromatic compounds. Topics include benzenoid and hydrocarbons; phenols and their ethers; styrenes and stilbenes; aromatic carbonyl compounds; and nitro compounds. The text also discusses O- and S- heteroaromatic compounds and N-heteroaromatic compounds. The book highlights the applications of spectrophotometry to the analysis of natural products. Topics include formation of derivatives having absorbing chromophores; reactions leading to changes in absorption of added reagents; and analyses involving transformation to products suitable for spectrophotometry. The text is a good reference for readers wanting to explore chromophores.