428698
Ambersep (formerly Dowex) Retardion 11A8 Ion Exchange Resin
50-100 mesh
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500 G
$734.00
About This Item
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Product Name
AmberSep® (formerly Dowex) Retardion 11A8, 50-100 mesh
description
amphoteric form
Quality Level
form
beads
parameter
70 °C max. temp.
moisture
43-48%
technique(s)
LPLC: suitable
color
deep yellow, tan
matrix
amphoteric styrene-divinylbenzene (gel)
particle size
50-100 mesh
operating pH
0-14
capacity
0.7 meq/mL by wetted bed volume
separation technique
mixed mode
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General description
Amphoteric properties of Dowex Retardion 11A8 allows specific isolation of elements from complex mixtures which generally is possible with use of monofunctional ion exchangers.[1] Determination of trace amounts of Zinc and Cadmium by radiochemical NAA was performed using Retardion 11A8.[2]
The Retardion 11A8 is not a true mixed bed resin, but a resin with mixed functionality. It contains paired anion and cation exchange sites (each exists as the other′s counter-ion) that adsorb mobile ions from a bulk stream.
Application
Chromatographic resin for ion separation. Useful for removal of ionic detergents (e.g., SDS) from protein samples. It is used for the removal of electrolytes from water solutions, and separation of cations from anions. Desalting occurs by SEC-type mechanism, so column use is recommended for best success.
Dowex Retardion 11A8 was used in solid phase extraction for determination of total concentrations by flame atomic absorption spectrometry.[3]
Physical form
Mixed bed
Other Notes
This ion-exchange resin has not been specially processed nor cleaned. We suggest that it be treated to a suitable preliminary elution and wash.
Legal Information
Ambersep is a registered trademark of DuPont de Nemours, Inc.
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Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
Storage Class
11 - Combustible Solids
wgk_germany
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
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Ion Exchange Behaviour of Cadmium on Amphoteric Ion Exchange Resin Retardion lIAS and its Application for the Determination of Cadmium in Biological Materials by Neutron Activation Analysis.
Samczynski, Zbigniew, and Rajmund Dybczynski.
Chem. Anal. (Warsaw), 41, 873-873 (1996)
Pre-concentration of traces of cadmium, cobalt, nickel and lead in natural honeys by solid phase extraction followed by their determination using flame atomic absorption spectrometry.
Stecka, Helena, et al.
Journal of the Brazilian Chemical Society, 25, 331-339 (2014)
The use of the amphoteric ion-exchange resin retardion 11A8 for inorganic separations.
Dybczynski, Rajmund, and Elzbieta Sterlinska.
Journal of Chromatography A, 102, 263-271 (1974)
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