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Format: 1 online resource (576 pages)

ISBN: 9780128207215

Note: Front Cover -- Chemical Analysis for Forensic Evidence -- Chemical Analysis for: Forensic Evidence -- Copyright -- Contents -- About the author -- Preface -- Acknowledgments -- Disclaimer: -- Reader guideline -- Learning objectives -- 1 - An introduction to forensic analytical chemistry -- 1.1 What will you learn? -- 1.2 Definitions -- 1.3 Questions of interest to a legal system -- 1.4 Forensic science principles -- Further reading -- 2 - Analytical chemistry in the forensic laboratory -- 2.1 What will you learn? -- 2.2 Analytical chemistry in the forensic laboratory -- 2.3 Forensic expertise areas -- Illicit drugs -- Forensic toxicology -- Fire debris and ignitable liquids analysis -- Explosions and explosives -- Microtraces: gunhot residues -- Microtraces: glass, paint, and fibers -- Forensic environmental investigations -- Fingermarks -- Questioned documents -- Crime scene investigation -- Further reading -- 3 - Sampling and sample preparation -- 3.1 What will you learn? -- 3.2 Sampling and sample preparation in analytical chemistry -- 3.3 Statistical sampling protocols: how many samples do we analyze? -- 3.4 Sample preparation: ignitable liquid residue sampling in fire debris analysis -- Further reading -- 4 - Qualitative analysis and the selectivity dilemma -- 4.1 What will you learn? -- 4.2 Qualitative analysis in forensic chemistry -- 4.3 Chemical identification of illicit drugs -- 4.4 The NPS challenge: addressing the selectivity dilemma -- Further reading -- 5- Quantitative analysis and the legal limit dilemma -- 5.1 What will you learn? -- 5.2 Quantitative analysis in forensic chemistry -- 5.3 Forensic toxicology: trace level quantitation of small molecules in complex biomatrices -- Single quad mass spectrometer -- Ion trap mass spectrometer -- Triple quad mass spectrometer -- Time of flight mass spectrometer. , Orbitrap mass spectrometer -- Hyphenated systems -- Sample preparation -- LC separation -- MS analysis -- 5.4 Measurement uncertainty: addressing the legal limit dilemma -- 6 - Chemical profiling, databases, and evidential value -- 6.1 What will you learn? -- 6.2 Criminalistics is the science of individualization -- 6.3 A chemical impurity profiling method for the organic explosive TNT -- 6.4 Bayes theory and the likelihood ratio -- 6.5 Building a score-based model for the forensic comparison of chemical impurity profiles -- Further reading -- 7 - Forensic reconstruction through chemical analysis -- 7.1 What will you learn? -- 7.2 Forensic explosives investigation -- 7.3 Isotope ratio mass spectrometry (IRMS) -- 7.4 Chemical profiling and synthesis reconstruction of TATP with IRMS -- 7.5 Human provenancing: you are what you eat and drink -- Further reading -- 8 - From data to forensic insight using chemometrics -- 8.1 What will you learn? -- 8.2 Library match scores and ROC curves -- 8.3 Exploring NPS EI mass spectra with PCA -- 8.4 Differentiating NPS isomers with PCA-LDA of EI mass spectra -- 8.5 The use of chemometric methods in forensic chemistry -- Principal component (PCR) and partial least squares (PLS) regression -- Partial least squares-discriminant analysis (PLS-DA) -- Soft independent modeling of class analogy (SIMCA) -- Support vector machine (SVM) -- Hierarchical cluster analysis (HCA) -- k nearest neighbors (k-NN) -- Further reading -- 9 - Quality and chain of custody -- 9.1 What will you learn? -- 9.2 Ensuring quality in forensic expertise -- 9.3 Ensuring quality of the forensic investigation -- Daubert standard -- Daubert criteria -- Values -- Management -- Scope -- Personnel -- Infrastructure -- Chain of custody -- Validation, quality control and measurement uncertainty -- Audits, incident handling and complaint procedures. , Peer review -- Quality documentation and information management -- 9.4 Quality through forensic networks, the importance of ENFSI and OSAC -- Further reading -- 10 - Reporting in the criminal justice system -- 10.1 What will you learn? -- 10.2 ISO 17025 reporting standards -- 10.3 Ways to raise forensic understanding in the criminal justice system -- 10.4 Bayes, verbal conclusions, ``popular'' fallacies, and the hierarchy of propositions -- 10.5 Reporting forensic analytical chemistry investigations -- 10.6 A template for a forensic case work report -- Case information -- Requested forensic investigation -- Hypotheses -- Evidence items received -- Evidence items to be investigated -- Forensic investigation -- Findings -- Interpretation of the findings -- Conclusions -- Appendix -- Further reading -- 11 - Innovating forensic analytical chemistry -- 11.1 What will you learn? -- 11.2 Five reasons to innovate -- 11.3 How to stimulate and organize forensic science and innovation -- 11.4 Advancing forensic analytical chemistry -- Innovation theme ``More from less'' -- Innovation theme ``From source to activity'' -- Innovation theme ``Bringing chemical analysis to the scene'' -- 11.5 The end of a journey -- Further reading -- Exercises -- Exam questions without answers -- Question 1 -- Question 2 -- Question 3 -- Question 4 -- Question 5 -- Question 6 -- Question 7 -- Question 8 -- Question 9 -- Exam questions with answers -- Question 1 -- Question 2 -- Question 3 -- Question 4 -- Question 5 -- Question 6 -- Question 7 -- Question 8 -- Question 9 -- Copyright and image licenses -- Abbreviations -- Index -- A -- B -- C -- D -- E -- F -- G -- H -- I -- J -- K -- L -- M -- N -- O -- P -- Q -- R -- S -- T -- U -- V -- W -- Back Cover.

Additional Edition: Print version: van Asten, Arian Chemical Analysis for Forensic Evidence San Diego : Elsevier,c2022 ISBN 9780128207154

Language: English