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The importance of accurate sample preparation techniques cannot be overstated--meticulous sample preparation is essential. Often overlooked, it is the midway point where the analytes from the sample matrix are transformed so they are suitable for analysis. Even the best analytical techniques cannot rectify problems generated by sloppy sample pretreatment. Devoted entirely to teaching and reinforcing these necessary pretreatment steps, Sample Preparation Techniques in Analytical Chemistry addresses diverse aspects of this important measurement step. These include: * State-of-the-art extraction techniques for organic and inorganic analytes * Sample preparation in biological measurements * Sample pretreatment in microscopy * Surface enhancement as a sample preparation tool in Raman and IR spectroscopy * Sample concentration and clean-up methods * Quality control steps Designed to serve as a text in an undergraduate or graduate level curriculum, Sample Preparation Techniques in Analytical Chemistry also provides an invaluable reference tool for analytical chemists in the chemical, biological, pharmaceutical, environmental, and materials sciences.
issue 101 of Anthropological Papers of the American Museum of Natural History
The study of the environment requires the reliable and accurate measurement of extremely small quantities of chemicals and the ability to determine if they are pollutants or naturally occurring species. Historically, a "dilute and disperse" method of waste disposal has been accepted; yet as we learn the long-term consequences of such an approach, it is clear that more rigorous waste management techniques are necessary to understand the sources and fates of contaminants and to regulate their discharge. This volume presents the details of the basic analytical science involved in making these measurements. It concentrates on the basic principles of sampling and sample preparation, followed by the chemical principles of the major instrumental methods used in chemical analysis, and detailed discussions of the major environmental matrices. This book also provides coverage of topics usually only partially discussed in textbooks, such as quality assurance plans and statistical data handling. Students majoring in environmental sciences need a foundation in measurement techniques used in the field. Environmental Chemical Analysis gives students a thorough grounding in this field and enough information to judge the quality and interpret the information produced in the analytical laboratory.
Theoretical Approaches in Bioarchaeology emphasizes how several different theoretical perspectives can be used to reconstruct the biocultural experiences of humans in the past. Over the past few decades, bioarchaeology has been transformed through methodological revisions, technological advances, and the inclusion of external theoretical frameworks from the social and natural sciences. These interdisciplinary perspectives became the backbone of bioarchaeology and strengthened the discipline’s ability to address questions about past biological and social dynamics. Consequently, how, why, and when to apply external theory to studies of past populations are central and timely questions tied to future developments of the discipline. This book facilitates ongoing dialogues about theoretical applications within the field and interdisciplinary connections between bioarchaeology, biological anthropology, and other disciplines. Each chapter highlights how a theoretical framework originating from a social or natural science connects to past and future bioarchaeological research. For scholars and archaeologists interested in the theoretical applications of bioarchaeology, this book will be an excellent resource.
Heredity: knowledge and power -- Generation, reproduction, evolution -- Heredity in separate domains -- First syntheses -- Heredity, race, and eugenics -- Disciplining heredity -- Heredity and molecular biology -- Gene technology, genomics, postgenomics: attempt at an outlook.
Presenting the newest edition of this popular text, providing a guide to the basics of planning a medical survey. Doctors, students, and anyone interested in conducting medical surveys will benefit from this practical, systematic, and accessible guide to the design, conduct, and analysis of studies. Also, all new practical advice on investigating a community, as well as coverage of the basics of the subject, i.e. formulating the objectives, methods of collecting data, and more!
This book presents the latest research on shell middens: sites that contain shell and are located near coastal and fluvial settings around the world. The shell imparts certain characteristics to sites such as complex discontinuous strata, low densities of artifacts, large volumes of deposits, alkaline chemistry and proximity to fluctuating sea level. The shell midden is often a product of both cultural and non-cultural events, such as saturation of the lower portion of the midden by rising sea level, or differential weathering of shell and bone. These non-cultural events affect cultural interpretations. The book aims to provide a detailed history of shell midden research and a description of procedures and analyses using an example of a Northwest Coast shell midden. Key Features * Excavation strategy * Use of microartifacts * Classification of fire-cracked rock * Detection of burned bone * Use of grain-size analysis on shell * Stratigraphic and sedimentological analysis
The core subject matter of bioarchaeology is the lives of past peoples, interpreted anthropologically. Human remains, contextualized archaeologically and historically, form the unit of study. Integrative and frequently inter-disciplinary, bioarchaeology draws methods and theoretical perspectives from across the sciences and the humanities. Bioarchaeology: The Contextual Study of Human Remains focuses upon the contemporary practice of bioarchaeology in North American contexts, its accomplishments and challenges. Appendixes, a glossary and 150 page bibliography make the volume extremely useful for research and teaching.