Preconcentration of Gold (III), Palladium (II) and Ruthenium (III) with Dithio-Carbamate-Chitin | Zendy

Kikuo Terada | Zendy; Hiroo Kawamura | Zendy

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Preconcentration of Gold (III), Palladium (II) and Ruthenium (III) with Dithio-Carbamate-Chitin

Author(s) -

Kikuo Terada,

Hiroo Kawamura

Publication year - 1991

Publication title -

analytical sciences

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.392

H-Index - 73

eISSN - 1348-2246

pISSN - 0910-6340

DOI - 10.2116/analsci.7.supple_71

Subject(s) - chemistry , ruthenium , aqua regia , hydrochloric acid , chitin , thiourea , nuclear chemistry , palladium , nitric acid , dithiocarbamate , aqueous solution , inorganic chemistry , chitosan , metal , organic chemistry , catalysis

Dithiocarbamate-chitin (DTC-chitin) has been synthesized and used for concentration of gold (III), palladium (II) and ruthenium (III) from an acidic solution. The former two metals were quantitatively retained on the polymer from 6 M hydrochloric acid even at a high flow rate(15 ml min-1), in contrast to only 80% retention for ruthenium in a narrow pH range, 3.0-4.5. Gold retained on the polymer could be eluted with 1 M nitric acid containing 5% thiourea, while palladium with 1.6-fold diluted inverse aqua regia. © 1991, The Japan Society for Analytical Chemistry. All rights reserved

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