http://dx.doi.org/10.4322/sc.2014.026   Comparison of Soxhlet extraction, ultrasonic bath and focused microwave extraction techniques for the simultaneous extraction of PAH´s and pesticides from sediment samples Porevsky, Piotr Álvarez; Ruiz, Humberto Gómez; Garciadiego, Lucia Hernández Palavras-chave: sediments, focused microwave extraction FMWE, ultrasonic bath USBE extraction, soxhlet extraction, pesticides, polyaromatic hydrocarbons, GC/MS, multivariate optimization. Resumo: The need to […]

http://dx.doi.org/10.4322/sc.2014.025   SPME-GC-MS determination of selected aniline pesticides in surface water Muhlen, Carin Von; Lanças, Fernando M. Palavras-chave: water, anilines, pesticides, SPME, GC-MS, herbicides. Resumo: An analytical methodology to determine Alachlor, Butralin, and Metolachlor herbicides, and Metalaxyl fungicide, in surface water was developed using Solid Phase Microextraction (SPME) and Gas Chromatography coupled to Mass Spectrometry […]

http://dx.doi.org/10.4322/sc.2014.024 Analysis of steroids using solid phase microextraction-gas chromatography-mass spectrometry-mass spectrometry (SPME-GC-MS-MS) Chopra, Shilpi; Gomes, Paulo C. F. L.; Dhandapani, Ramkumar; Snow, Nicholas H. Palavras-chave: Steroids using Solid Phase Microextraction, SPME, Gas Chromatography-Mass Spectrometry-Mass Spectrometry, GC-MS-MS, SPME-GC-MS-MS, water analysis. Resumo: Direct immersion SPME-GC-MS-MS was used for the analysis of steroids in water at part-per-trillion(ppt) and […]

http://dx.doi.org/10.4322/sc.2014.023   Synthesis of stationary phases containing pyridine, phenol, aniline and morpholine via click chemistry and their characterization and evaluation in supercritical fluid chromatography Dunkle, Melissa; West, Caroline; Pereira, Alberto; Van der Plas, Steven; Madder, Annemieke; Farrell, William; Lesellier, Eric; Lynen, Frederic; Sandra, Pat Palavras-chave: Packed-column supercritical fluid chromatography, Stationary phases, Click chemistry, Linear solvation […]

http://dx.doi.org/10.4322/sc.2014.022   Harold M. McNair. The Seventh Horizon. Henry, Michael P. Resumo: This paper is a brief account of my 35-year friendship with Harold and Marijke McNair. It was a chance meeting with Harold that resulted in the total refocusing of my career in chemistry. Concurrent with that, several decisions were made that changed completely […]

http://dx.doi.org/10.4322/sc.2014.021   Happy Birthday Lanças, Fernando M. Resumo: This special issue, as well as the previous issue of Scientia Chromatographica yields a tribute to Professor Harold McNair, Emeritus Professor at the Virginia Polytechnic Institute and State University, Blacksburg, VA, USA, on the occasion of his 80th birthday. In addition to being an internationally recognized scientist […]

Volume 6 / Número 2 Editoriais http://dx.doi.org/10.4322/sc.2014.021 2014, Volume 6 / Número 2  Editoriais Happy Birthday Lanças, Fernando M. Inglês  Resumo: Inglês http://dx.doi.org/10.4322/sc.2014.022 2014, Volume 6 / Número 2  Tributos Harold M. McNair. The Seventh Horizon. Henry, Michael P. Inglês  Resumo: Inglês Artigos http://dx.doi.org/10.4322/sc.2014.023 2014, Volume 6 / Número 2  SFC Synthesis of stationary phases […]