Spectrometry, a pivotal field in analytical chemistry, has witnessed remarkable advancements in recent years, particularly in characterizing biopolymers like proteins and nucleic acids. This comprehensive book offers a thorough exploration of modern spectrometry, encompassing principles, instrumentation, and applications across diverse disciplines. From atomic absorption spectrometry to imaging mass spectrometry, it delves into various techniques and methodologies, providing insights into optimal utilization conditions and cutting-edge developments. Emphasizing both theoretical background and practical applications, this book covers topics such as mass spectrometry, tandem mass spectrometry, proteomics, molecular species analysis, and chromatography. With contributions from experts in the field, it serves as an invaluable resource for undergraduate and postgraduate students in chemistry, biochemistry, medicine, and other related fields. Additionally, researchers seeking the latest techniques and developments in spectrometry will find this book to be a comprehensive guide to the forefront of the field