August 2011

August 2011

Links to technical insights from sponsored Application Notes on Spectroscopy Online.

	Determination of Selenium in Shampoo *Rebecca Price, Thermo Fisher Scientific* Learn more about an accurate and rapid method for the analysis of selenium in shampoo using flame atomic absorption spectrometry (AAS) as detailed in the 5th Commission Directive 93/73/EEC.

	Detecting Tin in Canned Fruit *Thermo Fisher Scientific* Inorganic tin and its compounds can be introduced as a harmful contaminant during the processing of food products and can accumulate during storage due to leaching from the containers. Download a full method guide for the routine determination of tin in canned fruit juices using graphite furnace atomic absorption spectrometry.

	Analysis of Elemental Contaminants in Beverages *Thermo Fisher Scientific* Beverage analysis is rapid and user-friendly using the Thermo Scientific iCAP 6200 and the pre-loaded Thermo Scientific iTEVA Food Safety Method Template. This powerful combination enables even the most inexperienced users to efficiently analyze a wide variety of food and beverage samples.

	Analysis of Migratory Elements in Toys *Matthew Cassap, Thermo Fisher Scientific* The two most common test methods used for this analysis are EN71 Safety of toys – Part 3: Migration of certain elements and ASTM F 963-08 Standard Consumer Safety Specification for Toy Safety. This application note focuses on these methods using the Thermo Scientific iCAP 6200 ICP-OES.

	Elemental Impurity Analysis in Pharmaceutical Products *Matthew Cassap, Thermo Fisher Scientific* The United States Pharmacopeia (USP) is in the process of introducing two new chapters for the monitoring of elemental impurities in pharmaceuticals (232 and 233) to replace the current “Heavy Metals, Chapter 231”. This white paper demonstrates the analysis of elemental impurities using the Thermo Scientific iCAP 6500 ICP-OES (Duo) in compliance with the requirements of these proposed new chapters.

	Chromium Speciation in Toys *Shona McSheehy, Thermo Fisher Scientific* This application note describes the development of leaching and chromatographic methodology to accurately quantify low levels of hexavalent chromium (CrVI) in Toy samples using HPLC-ICP-MS.

	Trace Element Quantification in Clinical Samples *Thermo Fisher Scientific* Read how measurement of Cu, Zn and Se in serum and Cd and Pb in whole blood is possible in a single analytical run using ICP-MS. A rapid, precise and simple procedure for the analysis of both minor and trace elements is demonstrated.

	Advancing Dementia Research *Analytical BrainMet Centre and Thermo Fisher Scientific* Discover how the Analytical BrainMet Centre at the Forschungszentrum, Jülich, Germany is using the Thermo Scientific XSERIES 2 ICP-MS to advance dementia research. Novel mass spectrometry imaging (MSI) techniques using LA-ICP-MS have been developed to study the effects of metals and metalloproteins in thin cryosections of brain tissue in respect to the origin of neurodegenerative diseases, ageing, tumor, stroke and others.

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