Spectroscopy Application Note Alert Having trouble viewing this email? Click here Atomic Silicone Coating on Paper and Plastic This application note describes the analysis of silicone coating on paper, clay coated paper, and plastic. Performance of the DST Acid Purification Systems Acid purification systems provide a continuous supply of high-purity acid for metals analysis. We present user data for both semiconductor and geochemical applications. Helix CT ICP Spray Chamber with ConstantTorque Technology In this article we summarize the features and advantages of Glass Expansion’s new Helix CT ICP spray chamber with ConstantTorque technology. Simple Steps for Clearing a Blocked ICP-OES Nebulizer This technical overview demonstrates the importance of cleaning a blocked ICP-OES nebulizer and provides an instructional guide on how to clean a nebulizer. USP 232/ICH Q3D: Elemental Impurities in Antacids with NexION 2000 ICP-MS PerkinElmer’s NexION 2000 ICP-MS successfully measures Class 1 and 2A elemental impurities in antacids in accordance with USP Chapter <232>/<233> and ICH Q3D guidelines.   Molecular Quantifying Color Differences in Plastic Components In this application note, we examine how spectroscopic techniques can be used to help maintain color consistency in manufacturing processes. Predicting Ripeness of Avocados Using NIR Spectroscopy This Application Note demonstrates using the StellarCASE-NIR™ portable analyzer for predicting avocado ripeness using near-infrared spectroscopy and chemometrics. Identification of Nephrite Jade with Raman Spectroscopy This short application note documents the Raman spectroscopic analysis of nephrite jade stones. A TSI ChemLogix EZRaman-I instrument was used for these measurements. Analyzing Microplastics with Raman Analyze microplastics with the inVia confocal Raman microscope to locate fragments, identify polymers present, and output statistics on particle size and composition. UV/Vis Spectroscopy Applications in Chemistry This versatile measurement technique has a secure place in the chemistry laboratory. Learn how spectroscopy is empowering today’s chemistry and nanotechnology research. Have I Selected the Right Laser for My Raman Experiments? In this white paper, we discuss important performance parameters to consider when selecting the laser for Raman spectroscopy experiments. Spectral Fiber Sensors for Cancer Diagnostics Raman, NIR, and MIR spectroscopy were used to analyze kidney tumors samples. Differences between cancer and non-cancer samples were seen in multivariate data analysis. Temperature-Dependent Quantum Yield of Leaves We show the absolute fluorescence quantum yield of plant leaves as a function of temperature from 77 K to 300 K using an FLS1000 spectrometer and a cryosphere accessory.   Mass Spectrometry Arsine/Phosphine Analysis in Ethylene/Propylene with the Agilent GC–MS Analyzer This application note demonstrates the precision and accuracy of the Agilent GC–MS analyzer at single-digit ppb concentrations of contaminants in ethylene and propylene. How Can Stable Isotopes Determine Origin and Authenticity of Food and Beverage Samples? The variations of isotope fingerprints indicate the real origin and history of food and beverage samples.