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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, Takenami, N and Haddad, PR 2007
, 'Ion-interaction chromatography of several metallocyanide complexes stabilized by adding cyanide in a neutral mobile phase'
, Analytical Sciences, vol. 23, no. 5
, pp. 605-609
.
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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 |
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Authors/Creators: | Miura, Y and Takenami, N and Haddad, PR |
Journal or Publication Title: | Analytical Sciences |
Publisher: | Japanese Society for Analytical Chemistry |
ISSN: | 0910-6340 |
Additional Information: | 2007 © The Japan Society for Analytical Chemistry |
Item Statistics: | View statistics for this item |
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