Zobrazeno 1 - 10
of 141
pro vyhledávání: '"Collins Kenneth E"'
Publikováno v:
Journal of the Brazilian Chemical Society, Vol 15, Iss 1, Pp 116-121 (2004)
Self-immobilized and radiation-immobilized stationary phases were prepared with poly(methyloctylsiloxane) on eight silica supports having different particle sizes, particle shapes and pore sizes. Columns prepared by the two immobilization procedures
Externí odkaz:
https://doaj.org/article/8b83bfd1267545ebaa54f72c0dcb7fa1
Publikováno v:
Journal of the Brazilian Chemical Society, Vol 15, Iss 1, Pp 58-65 (2004)
The chemical behavior of Cr(VI) at low concentrations (10-4 to 10-7 mol L-1) in several strong acids was studied using high specific activity 51Cr(VI) as a tracer. The speciation of the products from these systems was carried out by ion exchange chro
Externí odkaz:
https://doaj.org/article/1d91411e9d1b46bb8e59b254f67d72fc
Publikováno v:
Journal of the Brazilian Chemical Society, Vol 15, Iss 2, Pp 300-306 (2004)
Ethanol:water mixtures have been reevaluated for use as reversed phase mobile phases. Optimization of the chromatographic conditions for both C8 and C18 columns was carried out through a factorial design which evaluates temperature, ethanol concentra
Externí odkaz:
https://doaj.org/article/278af33124154b98be1b4183d3f34b86
Publikováno v:
In Journal of Chromatography A 2008 1191(1):90-98
Publikováno v:
In Journal of Chromatography A 2007 1156(1):60-67
Publikováno v:
In Journal of Chromatography A 2007 1156(1):51-59
Publikováno v:
In Microporous and Mesoporous Materials 2006 89(1):246-250
Publikováno v:
In Journal of Chromatography A 2006 1122(1):114-122
Publikováno v:
In Journal of Chromatography A 2006 1119(1):135-139