List of Contributors Preface Part I: Fundamentals of Quantitative Spectroscopy Chapter 1: An Introduction to Quantitative Spectroscopy Chapter 2: Types of Sampling and Measurement Errors Chapter 3: Procedure Design and Data Analytics Chapter 4: Types of Quantitative Methods Chapter 5: Variable Selection Strategies Chapter 6: Preprocessing of Spectral Data Chapter 7: Procedure Validation and Lifecycle Management Part II: Quantitative Applications and Statistical Analysis of Spectral Data Chapter 8: Practical Considerations and Benefits of Using Vibrational Spectroscopy in Process Environments Chapter 9: Simultaneous Absorbance and Fluorescence Instrument Measuring and Analysis Principles for Quantitative Analysis Chapter 10: Analysis of Grape and Wine Quality Features with Simultaneous Absorbance and Fluorescence Technology Chapter 11: Surface-Enhanced Raman Spectroscopy Theory Chapter 12: Detecting Fentanyl in Patient Samples Using Surface-Enhanced Raman Spectroscopy Chapter 13: Detection of Foodborne Pathogens on Surfaces and in Food by SERRS Chapter 14: Development and Validation of Handheld Vibrational Spectroscopy Methods for the Quantitation of Active Ingredients in Pharmaceutical Solid Dosage Forms Chapter 15: Statistics of Microplastics Analysis: How to Achieve Healthy Statistical Representation Chapter 16: Material Sparing Approaches for Spectroscopic PAT Method Development in the Pharmaceutical Industry Chapter 17: Development and Implementation of a NIR Calibration Model to Determine an Active Pharmaceutical Ingredient in a Commercial Film Coating Process. Part III: Real-World Implementation Vignettes Chapter 18: Automating the Spectrometer Calibration and Maintenance Processes Chapter 19: Considerations When Selecting a Sample Interface Chapter 20: Continuous Performance Qualification Systems for On-line Near-Infrared (NIR) Analyzers Used in Fuels Blending Operations Index.