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Ion-interaction chromatography of several metallocyanide complexes stabilized by adding cyanide in a neutral mobile phase

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Miura, Y and Takenami, N and Haddad, PR (2007) Ion-interaction chromatography of several metallocyanide complexes stabilized by adding cyanide in a neutral mobile phase. Analytical Sciences, 23 (5). pp. 605-609. ISSN 0910-6340

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Abstract

Standard solutions (at 10–5 M levels) of Cu(I)- and Fe(II)-cyanide complexes were stabilized for at least 5 h using 0.5 mM
cyanide solution (around pH 9) as a medium. Complexes of Cu(I)- and Fe(III)-cyanide also could be stabilized without
any dissociation by adding 1 mM cyanide to an acetonitrile–water (18:82, v/v) mobile phase (pH 7.0) containing 10 mM
tetra-n-propylammonium salt (TPA). Under the optimal conditions, the six complexes of Cu(I)-, Ag(I)-, Ni(II)-, Fe(II)-,
Fe(III)- and Au(I)-cyanides were resolved from their mixtures within about 45 min, with well-shaped chromatographic
peaks.

Item Type: Article
Journal or Publication Title: Analytical Sciences
Publisher: Japanese Society for Analytical Chemistry
Page Range: pp. 605-609
ISSN: 0910-6340
Additional Information:

2007 © The Japan Society for Analytical Chemistry

Date Deposited: 07 Apr 2008 14:09
Last Modified: 18 Nov 2014 03:33
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