Thermodynamics of the Sorption of Benzimidazoles on Octadecyl Silica Gel from Water–Methanol Eluents

2018 ◽  
Vol 92 (2) ◽  
pp. 220-225 ◽  
Author(s):  
R. V. Shafigulin ◽  
A. V. Bulanova
Keyword(s):  
Silica Gel ◽  
Octadecyl Silica ◽  
Octadecyl Silica Gel

scholarly journals Adsorption of Divalent Transition Metal Ions with a Chelating Agent on Octadecyl Silica Gel

2004 ◽  
Vol 20 (10) ◽  
pp. 1463-1464 ◽  
Author(s):  
Masamitsu IIYAMA ◽  
Syunichi OSHIMA ◽  
Hisao KOKUSEN ◽  
Masami SEKITA ◽  
Shigekazu TSURUBOU ◽  
...  
Keyword(s):  
Transition Metal ◽  
Metal Ions ◽  
Silica Gel ◽  
Chelating Agent ◽  
Transition Metal Ions ◽  
Octadecyl Silica ◽  
Octadecyl Silica Gel

scholarly journals Adsorption Behavior of Divalent Metal Ions with .BETA.-diketone Retained on Octadecyl Silica Gel

2007 ◽  
Vol 18 (4) ◽  
pp. 440-443 ◽  
Author(s):  
Masamitsu Iiyama ◽  
Hisao Kokusen ◽  
Shigekazu Tsurubou ◽  
Yu Komatsu
Keyword(s):  
Metal Ions ◽  
Silica Gel ◽  
Divalent Metal ◽  
Adsorption Behavior ◽  
Divalent Metal Ions ◽  
Octadecyl Silica ◽  
Octadecyl Silica Gel

scholarly journals Retention Behavior of Iron(III) Chelates with Amine-N-carboxylic Acids on Silica-gel and Octadecyl-silica Columns

1983 ◽  
Vol 56 (10) ◽  
pp. 2949-2951 ◽  
Author(s):  
Akihiro Yamaguchi ◽  
Atsuko Toda ◽  
Kunio Ohzeki ◽  
Tomihito Kambara
Keyword(s):  
Carboxylic Acids ◽  
Silica Gel ◽  
Retention Behavior ◽  
Octadecyl Silica

Study of the sorption of selected pesticides on nonpolar sorbents

1991 ◽  
Vol 56 (2) ◽  
pp. 317-333 ◽  
Author(s):  
Ladislav Svoboda ◽  
Pavel Jandera ◽  
Jaroslav Churáček
Keyword(s):  
Silica Gel ◽  
Sorption Process ◽  
Hplc Method ◽  
Modified Silica ◽  
Experimental Conditions ◽  
Modified Silica Gel ◽  
Octadecyl Silica Gel ◽  
Pesticides In Water ◽  
Dilute Aqueous Solution ◽  
Styrene Divinylbenzene

The break-through curves of aqueous solutions of selected pesticides were evaluated to determine the suitability of a number of nonpolar sorbents based on active carbon, synthetic polymers and modified silica gel for enrichment dilute aqueous solution of these compounds. The best results were obtained using the styrene-divinylbenzene sorbents Aquapak 440A and Amberlite XAD-2, the styrene-ethylenedimethacrylate copolymer Separon SE and octadecyl silica gel materials. The effect of some experimental conditions on the sorption process, i.e. the flow rate of the sample through the column, the pesticide concentration in solution, the pH of the sorption medium, etc., was also studied. The results obtained are immediately applicable to the concentration of trace amounts of pesticides in water samples in sorption columns and also to chromatographic analysis by the HPLC method.

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