SPME/Capillary GC Analysis of Solvents from Water at Low ppb Levels

TheReporter Reprinted from Volume 14, No. 5, 1995 T295025 © 1999 Sigma-Aldrich Co. For more information, or current prices, contact your nearest Supelco subsidiary listed below. To obtain further contact information, visit our website (www.sigma-aldrich.com), see the Supelco catalog, or…

Bulletin 923 Solid Phase Microextraction: Theory and Optimization of Conditions Solid phase microextraction, a simple, effective adsorption/ desorption technique, eliminates the need for solvents or complicated apparatus for concentrating volatile or nonvolatile compounds in liquid samples or headspace. SPME is…

TheReporter Reprinted from Volume 16, No. 1, 1997 T297051 © 1999 Sigma-Aldrich Co. For more information, or current prices, contact your nearest Supelco subsidiary listed below. To obtain further contact information, visit our website (www.sigma-aldrich.com), see the Supelco catalog, or…

Bulletin 869A Solid Phase Microextraction: Solventless Sample Preparation for Monitoring Flavor Compounds by Capillary Gas Chromatography Solid phase microextraction is a fast, solventless alternative to conventional sample extraction techniques. In SPME, analytes establish equilibria among the sample matrix, the headspace…