Atomic Measurement of Manganese in Gasoline Methylcyclopentadienyl manganese tricarbonyl, is added to gasoline and Avgas to boost octane rating. We demonstrate the measurement of manganese (Mn) in gasoline. Analysis of Toxic Elements in Supplements per USP 2232 Using ICP-MS Presented here is an example of a quantitative analysis performed on arsenic, cadmium, mercury, and lead in dietary supplements using ICP Mass Spectrometry. Determination of Mercury In Mixed Matrices This application note proves the capability of direct mercury analysis to provide accurate reproducible results quickly without sample preparation on mixed matrices. Microwave Digestion of Mixed Food Powders This application note demonstrates a reconstitution technique for homogenous sampling of food powders prior to microwave digestion and elemental analysis. A Simple, Low Cost Approach to Improving ICP Productivity The Niagara CM Rapid Rinse provides a simple, low-cost approach to improving ICP productivity. Typical time saved is approximately 30% with no degradation in performance.   Molecular Identification of Counterfeit Phosphodiesterase Inhibitors Using NIR and Chemometrics Chemometric models using the Spectrum Two N FT-NIR with AssureID and Spectrum 10 software to determine the authenticity of sildenafil, tadalafil, and vardenafil tablets. Analysis of Pigments in Roman Terracotta This application note documents a pigment analysis on a decorative mirror plaque from late Roman times performed with a TSI ChemLogix EZRaman-NP. Why Are Collimating Lenses So Important? Collimating lenses allow users to align light in their spectrometer setup. We explain the importance of collimating lenses in your spectroscopic system.   Mass Spectrometry Characterization of TiO2 Nanoparticle Release from Fabrics By Single Particle ICP-MS The ability of PerkinElmer’s NexION Single Particle ICP-MS with Syngistix Nano Application Module to both detect and measure TiO2 nanoparticles released from textiles.