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  • P-ISSN 1225-0163
  • E-ISSN 2288-8985

Ion Chromatography of Anions with Indirect UV-Photometric Detection by using Naphthalene Trisulfonic Acid and Naphthalene Disulfonic Acid as an Eluent

Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
1999, v.12 no.2, pp.111-115
Lee, Kwang-Pill
Cheon, Hwi-Kyung
Seo, Hyun-Kyung
Kwon, Se-Mog
Park, Keung-Shik
Tanaka, Kazuhiko
Ohta, Kazutoku
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Abstract

Single column anion chromatography by indirect UV detection was applied to the determination of 7 common anions(<TEX>$H_2PO_4^-$</TEX>, <TEX>$Cl^-$</TEX>, <TEX>$NO_2^-$</TEX>, <TEX>$NO_3^-$</TEX>, <TEX>$I^-$</TEX>, <TEX>$SO_4^{2-}$</TEX>, <TEX>$SCN^-$</TEX>). A low capacity silica-based anion-exchange column(TSK guardgel QAE-SW; ca. 0.3 meq./g; 4.6 mm i.d<TEX>${\times}$</TEX>150 mm) was used. In separating common anions, we compared naphthalene trisulfonic acid(NTS) and naphthalene disulfonic acid(NDS) to find more sensitive, selective and rapid separation method. And cations and anions can be separated simultaneously in 0.20 mM NTS-5% acetonitrile-water.

keywords
anion, naphthalene trisulfonic acid, naphthalene disulfonic acid, separation


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