Results 111 to 120 of about 1,748,305 (222)

Thermodynamic Aspects of Supercritical Fluids Processing: Applications of Polymers and Wastes Treatment Aspects thermodynamiques des procédés mettant en oeuvre des fluides supercritiques : applications aux traitements des polymères et des déchets

Oil & Gas Science and Technology, 2006
Supercritical fluid processes are of increasing interest for many fields : in supercritical fluid separation (petroleum-chemistry separation and purification, food industry) and supercritical fluid chromatography (analytical and preparative separation ...
Beslin P., Cansell F., Rey S.
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Supercritical Fluid Extraction

, 1984
In supercritical fluid extraction, many options are available for achieving and controlling the desired selectivity, which is extremely sensitive to variations in pressure, temperature, and choice of solvent.
Johnston, K. P., Flarsheim, W. M.
core  

Separation of stereoisomers in a simulated moving bed-supercritical fluid chromatography plant

, 1999
The combination of two techniques, simulated moving bed (SMB) and supercritical fluid chromatography (SFC), leads to an apparatus with unique features. Besides the known advantages of the SMB process, like reduced solvent consumption and its continuity ...
Johannsen, Monika, Brunner, Gerd, Giese, Tim, Depta, Andreas   +3 more
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Capillary supercritical fluid chromatography [PDF]

Analytical Chemistry, 1981
Milos Novotny, Stephen R. Springston, Paul A. Peaden, John C. Fjeldsted, Milton L. Lee   +4 more
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Analytical Strategies for Tocopherols in Vegetable Oils: Advances in Extraction and Detection

Pharmaceuticals
Tocopherols, major lipid-soluble components of vitamin E, are essential natural products with significant nutritional and pharmacological value. Their structural diversity and uneven distribution across vegetable oils require accurate analytical ...
Yingfei Liu, Mengyuan Lv, Yuyang Wang, Jinchao Wei, Di Chen   +4 more
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Avaliação do processo de extração com fluido supercrítico do óleo essencial de munha [Minthostachys mollis (Kunth)] [PDF]

, 2010
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico, Programa de Pós-Graduação em Engenharia Química, Florianópolis, 2010Mynthostachys mollis (Kunth) é uma planta aromática membro da família botânica Lamiaceae que cresce ...
Livia, Mayra Arauco
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Capillary column supercritical fluid chromatography-atmospheric pressure ionisation mass spectrometry - Interface performance of atmospheric pressure chemical ionisation and electrospray ionisation

, 1999
A supercritical fluid chromatography interface probe for atmospheric pressure ionisation mass spectrometry (API-MS) with the advantage of convenient switch between ionisation modes [atmospheric pressure chemical ionisation (APCI) and electrospray ...
Markides, KE, Sjoberg, PJR,
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Oxidative and reductive amperometric detection of phenolic and nitroaromatic compounds in packed capillary column supercritical fluid chromatography

, 1997
Oxidative and reductive amperometric detection of phenols, nitroaromatic compounds and a cyclic ketone is demonstrated in packed capillary column supercritical fluid chromatography (SFC).
Wallenborg, SR,, Markides, KE, Nyholm, L
core  

Supercritical fluid synthesis and on-line preparative supercritical fluid chromatography of C-11-labelled compounds in supercritical ammonia

, 1997
An automated supercritical fluid synthesis (SFS) system, designed for reaction and on-line preparative supercritical fluid chromatography (SFC) of C-11-labelled (t(1/2) = 20.3 min) compounds in supercritical ammonia, is described.
Langstrom, B, Markides, KE, Jacobson, GB,   +2 more
core  

What Type of Research Is Done in the Laboratory of Pharmaceutical Analytical Chemistry of the University of Geneva?

CHIMIA, 1997
This article presents briefly the main research projects developed in the Laboratory of Pharmaceutical Analytical Chemistry at the University of Geneva.
Jean-Luc Veuthey, Philippe Christen
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