2003
DOI: 10.1016/s0969-806x(03)00312-8
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Investigation of the resistance of the potassium copper nickel hexacyanoferrate (II) ion exchanger against gamma irradiation

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Cited by 21 publications
(7 citation statements)
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“…Previous studies have reported a similar composition for hexacyanoferrate sorbents [19,22]. For instance, Mardan et al [22] found the stoichiometric composition of a potassium cobalt hexacyanoferrate to be K2.42Co1.74 Fe(CN)6.…”
Section: Chemical Decomposition Analysismentioning
confidence: 70%
See 1 more Smart Citation
“…Previous studies have reported a similar composition for hexacyanoferrate sorbents [19,22]. For instance, Mardan et al [22] found the stoichiometric composition of a potassium cobalt hexacyanoferrate to be K2.42Co1.74 Fe(CN)6.…”
Section: Chemical Decomposition Analysismentioning
confidence: 70%
“…Samples of KCoFC (0.05 g) were decomposed in 1 mL of concentrated H2SO4 by heating at 200°C for 5 h. 10 mL of 0.1 M H2SO4 was added to the residue, and diluted to 50 mL with deionised water as per the procedure of Nilchi et al [19]. Concentrations of K, iron (Fe) and cobalt (Co) in the aqueous samples were measured after filtration through a 1.2 µm syringe membrane filter using Microwave Plasma -Atomic Emission Spectroscopy (MP-AES) (Agilent 4100).…”
Section: Chemical Analysismentioning
confidence: 99%
“…The chemical composition of KCoFC was determined by heating 0.05 g of the material in 1 mL of 98% H 2 SO 4 at 200˚C for 5 h according to the procedure used by Nilchi et al [28]. This was followed by adding 10 mL of 0.1 M H 2 SO 4 to the residue and diluting the suspension to 50 mL with deionised water.…”
Section: Sorbent Characterisationmentioning
confidence: 99%
“…Houve um interesse considerável na preparação e aplicação de materiais inorgânicos para troca iônica nas últimas quatro décadas, em decorrência das condições favoráveis destes materiais se comparados com as resinas orgânicas. Dentre as vantagens destes trocadores iônicos estão estabilidade em meio ácido à moderadamente alcalino, alta seletividade e resistência à altas temperaturas e radiação [3,4]. As principais classes destes materiais incluem fosfatos insolúveis, arsenatos, tungstatos, molibdatos, hexacianoferratos e óxidos hidratados de cátions multivalentes [3].…”
Section: Introductionunclassified
“…Dentre as vantagens destes trocadores iônicos estão estabilidade em meio ácido à moderadamente alcalino, alta seletividade e resistência à altas temperaturas e radiação [3,4]. As principais classes destes materiais incluem fosfatos insolúveis, arsenatos, tungstatos, molibdatos, hexacianoferratos e óxidos hidratados de cátions multivalentes [3]. O grupo de Novos Materiais (EEL-USP) vem desenvolvendo materiais adsorventes utilizando como método de preparação para os óxidos metálicos hidratados (ZrO 2 .nH 2 O e Nb 2 O 5 .nH 2 O) a Estudo da adsorção do surfatante catiônico brometo de cetiltrimetil amônio em diferentes matrizes inorgânicas preparadas via nióbio metálico…”
Section: Introductionunclassified