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Covering the latest advances, Practical Guide to Chemometrics, Second Edition introduces the diverse topics related to chemometrics. This second edition has been completely revised to feature new chapters on principal component analysis, self-modeling curve resolution, and multi-way analysis methods. It includes expanded material on normal distributions, sampling theory, signal processing, and digital filtering. It also discusses trends in chemometrics and identifies areas for future development. With summaries, solutions to problems, recommended reading, and references for each chapter, this text remains an essential resource for students, professionals, and researchers in the field.

Chemometrics. --- Chimiométrie --- Chimiométrie

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Chemometrics, or the application of multivariate statistics to chemical data, provides informative and statistically valid analyses within a forensic context and there has been an increase in the use of chemometrics to characterise forensic exhibits. Introducing chemometric methods suitable for forensic practitioners, this book fills a gap in the literature outlining how such methods are applied to forensic casework, what limitations to these approaches exist, and future trends emerging in the field. The book highlights how chemometric methods may be applied to different areas of forensic science, enabling more confident and transparent decision-making based on quantitative approaches. It is divided into various sections which include a background to chemometrics, types of chemometric methods, their applications in various disciplines of forensic science, and emerging trends in the field. The detailed discussion of chemometric methods used for the examination of forensic exhibits outlines their advantages, limitations, and efficiency.Providing a centralised source of information addressing the above aspects, and suitable for forensic practitioners, researchers and stakeholders, this book is written for MSc Forensic Science courses and more broadly applications in the biological, chemical and physical sciences.

Chemometrics. --- Chemistry, Forensic. --- Chimiométrie. --- Chimie légale.

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Mathematical statistics. --- Chemistry --- Statistique mathématique. --- Chimiométrie --- Statistical methods.

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Even a cursory perusal of any analytical journal will demonstrate the increasing important of trace and ultra-trace analysis. And as instrumentation continues to develop, the definition of the term "trace element" will undoubtedly continue to change. Covering the composition and underlying properties of freshwater and marine systems, Analytical Measurements in Aquatic Environments provides the basis for understanding both. It discusses all aspects of analytical protocols from the handling of representative samples to the metrological evaluation of specific steps and whole procedures.

Aquatic ecology --- Chemometrics. --- Écologie des eaux --- Chimiométrie. --- Mathematical models. --- Modèles mathématiques.

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Cet ouvrage présente les techniques permettant de valider les méthodes d'analyse, de contrôle et de recherche. Il précise la relation entre la validation d'une méthode et la qualité du résultat qu'elle fournit. Les techniques décrites s'appliquent aux laboratoires industriels d'analyse, qui mettent en place ou gèrent un système d'assurance de la qualité. L'auteur montre comment la maîtrise de la qualité, les techniques chimiométriques de calcul et l'informatisation du laboratoire font partie d'une même et unique démarche, qui vise une meilleure valorisation du travail de l'analyste. Il propose en outre une réflexion critique sur la stratégie de validation des méthodes. A vocation pratique, l'ouvrage présente ces techniques sous la forme de procédures qui faciliteront la rédaction des modes opératoires normalisés. Elles sont illustrées par des applications numériques, dans le but de permettre à l'utilisateur de vérifier l'exactitude des calculs auxquels il procède dans son laboratoire. En annexe figurent les diverses méthodes statistiques de base qui servent aux développements des procédures proposées. Cet ouvrage s'adresse aux cadres, ingénieurs et techniciens supérieurs, analystes au sein des laboratoires de l'industrie chimique, pharmaceutique, cosmétique, agro-alimentaire, pétrolière ou du contrôle biomédical. Les étudiants en fin d'études se familiariseront avec des notions et des méthodes qui ne font pas encore l'objet de toute l'attention nécessaire dans la plupart des cursus universitaires.

Chemical laboratories --- Chemometrics --- Chemistry, Analytic --- Chimie --- Chimie analytique --- Chimiométrie --- Quality control --- Certification --- Quality control. --- Laboratoires --- Qualité --- Contrôle --- Chemistry [Analytic ] --- Contrôle. --- Certification. --- Analytical chemistry --- Chemical laboratories. --- Chemometrics.