Liquid Chromatography/mass Spectrometry

📘 About This Book

Examines the versatility of liquid chromatography/mass spectrometry and describes the LC/MS instruments now available or under development. Among the topics covered is a discussion of the applications of LC/MS to the analysis of agricultural chemicals and their metabolites, including polar pesticide metabolites and conjugates. Annotation copyrighted by Book News, Inc., Portland, OR

📖 Summary

Mark A. Brown's 1990 text, Liquid Chromatography/Mass Spectrometry, serves as an exploration of the analytical capabilities inherent in combining liquid chromatography with mass spectrometry. Spanning 320 pages, the book examines the immense versatility of this hybrid analytical technique, providing readers with a comprehensive look at both the instrumentation that was available at the time of publication and the emerging technologies still under development in laboratories. The core objective of the work is to bridge the gap between theoretical chemical separation and definitive molecular identification, a challenge that historically faced analytical chemists working with complex, non-volatile, or thermally labile compounds. Throughout the volume, Brown details the structural mechanics and operational principles of various LC/MS systems, guiding the reader through the intricacies of interfacing liquid streams with mass analyzers. By breaking down the hardware and methodologies, the text acts as a roadmap for researchers seeking to understand how these sophisticated instruments function and how they can be adapted to tackle difficult analytical puzzles. Beyond the hardware itself, a significant portion of the book is dedicated to practical applications, demonstrating how LC/MS techniques translate from theoretical potential into real-world scientific problem solving. A primary focus of these applications is the field of agricultural chemistry, where researchers continually face the daunting task of detecting and quantifying minute traces of agricultural chemicals and their transformation products in environmental and biological matrices. The text dives deep into the analysis of polar pesticide metabolites and conjugates, substances that are notoriously difficult to characterize using traditional gas chromatography methods due to their polarity and low volatility. Brown illustrates how liquid chromatography/mass spectrometry provides the necessary sensitivity and specificity to identify these elusive compounds, thereby aiding environmental toxicologists, regulatory agencies, and agricultural scientists in monitoring chemical residues and understanding environmental degradation pathways. Although published in 1990, the book captures a pivotal era of technological transition and refinement in analytical chemistry, highlighting the foundational concepts that continue to influence modern instrumentation and methodologies. For students, technicians, and professional scientists diving into the historical and technical evolution of chemical analysis, Brown's work offers a structured and thorough overview of how LC/MS revolutionized the detection of complex chemical structures.

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