This text presents the information needed to design a successful quantitative analysis using mass spectrometric techniques currently available and widely employed. It is devoted to the researchers of different areas, who use mass spectrometry as a detector suitable for the measurements of their interest. An essential book for the practicing mass spectroscopist A genuine 'how-to' text for the practitioner focusing on quantification rather than instrumental design and techniques Up-to-date structured text describing methods, experimental strategy, capabilities and limitations, with data analysis and interpretation Brings together material widely dispersed in the pertinent literature into one unique source Internationally recognized group of authors