Application of high resolution X-ray emission spectroscopy on the study of Cr ion adsorption by activated carbon.

Authors :: Espinoza-Quiñones FR
Módenes AN
Câmera AS
Stutz G
Tirao G
Palácio SM
Kroumov AD
Oliveira AP
Alflen VL
Source :: Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine [Appl Radiat Isot] 2010 Dec; Vol. 68 (12), pp. 2208-13. Date of Electronic Publication: 2010 Jun 09.
Publication Year :: 2010
Abstract: In this work granular activated carbon has been chosen as an absorbent in order to investigate the Cr(VI) reduced by adsorption experiments. Several batch chromium-sorption experiments were carried out using 0.25 g of granular activated carbon in 50 mL aqueous solution containing approximately 70 and 140 mg L(-1) of Cr(VI) and Cr(III), respectively. Cr-Kbeta fluorescence spectra of Cr adsorbed in a carbon matrix and Cr reference materials were measured using a high-resolution Johann-type spectrometer. Based on evidence from the Cr-Kb satellite lines, the Cr(VI) reduction process has actually happened during metal adsorption by the activated carbon.<br /> (Copyright 2010 Elsevier Ltd. All rights reserved.)

Language :: English
ISSN :: 1872-9800
Volume :: 68
Issue :: 12
Database :: MEDLINE
Journal :: Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine
Publication Type :: Academic Journal
Accession number :: 20561795
Full Text :: https://doi.org/10.1016/j.apradiso.2010.06.006

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