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Journal of Liquid Chromatography & Related Technologies Volume 26, 2003 - Issue 18
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Original Articles

New Approach for Inorganic Anion Analysis by Ion Exchange Chromatography Coupled with Evaporative Light Scattering Detection

M. El Haddad Laboratoire de Chimie Bioorganique & Analytique, Université Hassan II‐Mohammédia, FST, BP 146, Mohammédia, 20800, Morocco
,
R. Mamouni Laboratoire de Chimie Bioorganique & Analytique, Université Hassan II‐Mohammédia, FST, BP 146, Mohammédia, 20800, Morocco
,
S. El Antri Laboratoire de Biochimie, Université Hassan II‐Mohammédia, FST, BP 146, Mohammédia, 20800, Morocco
,
M. Khouili Laboratoire de Chimie Organique & Analytique, Université Cadi Ayyad, Beni Mellal, Morocco
,
M. Akssira Laboratoire de Chimie Bioorganique & Analytique, Université Hassan II‐Mohammédia, FST, BP 146, Mohammédia, 20800, Morocco
,
M. Dreux Institut de Chimie Organique & Analytique, Université d'Orléans, Orléans, France
&
S. Lazar Laboratoire de Chimie Bioorganique & Analytique, Université Hassan II‐Mohammédia, FST, BP 146, Mohammédia, 20800, Morocco; Laboratoire de Biochimie, Université Hassan II‐Mohammédia, FST, BP 146, Mohammédia, 20800, MoroccoCorrespondence[email protected]
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Pages 3117-3128 | Received 28 Feb 2003, Accepted 15 May 2003, Published online: 22 Aug 2006
 
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Abstract

The simultaneous separation of inorganic anions is possible by ion exchange chromatography (IEC) under an isocratic elution mode, using polymer exchanger Metrosep anion dual1 Metrohm (150 × 3 mm ID) followed by evaporative light scattering detection (ELSD). Several mobile phases [formic acid (FA)/ammonia, FA, hydrogen carbonate, trifluoro‐acetic acid (TFA), and heptafluorobutyric acid (HFBA)] were tested for optimization of the separation of inorganic anions. The choice of a mobile phase was proven by compatibility with ELSD volatility requirements.

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