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Spectrophotometers are measuring devices that have to provide continuously reliable and correct measuring results. To ensure this one should qualify more
SCP SCIENCE Announces Purchase of Conostan From ConocoPhillips
SCP SCIENCE has reached an agreement to purchase Conostan, an oil-based standards manufacturing division of ConocoPhillips. Located in Ponca City, Okla., Conostan is a manufacturer and supplier of oil-based analytical standards used for calibration or verification of instruments for analysis of orga more
Sigma-Aldrich Launches First Comprehensive Analytical Standards Catalog Including Fluka, Riedel-de Haen, Supelco, Isotec, Sigma
Sigma-Aldrich Corporation, a $1.3 billion Life Science and High Technology company and the world's leading manufacturer of Analytical Standards, has announced the launch of its first Analytical Standards Catalog devoted exclusively to chemical standards. This new catalog brings together 7,000 produc more
Shipley Company Develops New Copper Plating Chemistry for 300mm Wafers
Shipley Company, L.L.C., a world leader of innovative electronic materials and technology, has recently developed a new three-component copper plating chemical system for advanced interconnect applications. The benefits of the copper plating chemistry include: robust gapfill, ultra-level copper film more
Zwitterionic, Cationic, and Anionic Fluorinated Chemicals in Aqueous Film Forming Foam Formulations and Groundwater from U.S. Military Bases by Nonaqueous Large-Volume Injectio ...
A new analytical method was developed to quantify 26 newly-identified and 21 legacy (e.g. perfluoroalkyl carboxylates, perfluoroalkyl sulfonates, and fluorotelomer sulfonates) per and polyfluorinated alkyl substances (PFAS) in groundwater and aqueous film forming foam (AFFF) formulations. Prior to a more
Botanical and Geographical Origin Characterization of Polish Honeys by Headspace SPME-GC GC-TOFMS
Abstract: Volatile organic compounds (VOCs) composition of Polish honeys obtained from various geographical regions was studied. Headspace solid phase microextraction (HS-SPME) using Divinylbenzene/Carboxen/Polydimethylsiloxane-coated fibers was used in combination with comprehensive two-dime more
Application of analytical methods for the structural characterization and purity assessment of N,N-dimethyltryptamine, a potent psychedelic agent isolated from Mimosa tenuiflor ...
Publication date: July 2013Source:Microchemical Journal, Volume 109 Author(s): Alain Gaujac , Sabrina Teixeira Martinez , Arão Araújo Gomes , Sandro José de Andrade , Angelo da Cunha Pinto , Jorge Maurício David , Sandro Navickiene , Jailson Bittencourt de Andrade N,N-dimethyltryptamine more