Comparison of potassium and sodium content in diet and non-diet soft drinks by using capillary electrophoresis with capacitively coupled contactless conductivity detection

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Published: Dec 7, 2009
DOI: https://doi.org/10.26850/1678-4618eqj.v34.3.2009.p51-56
Keywords:
capillary electrophoresis, capacitively coupled contactless conductivity detection, soft drinks, sodium, potassium

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Ivanilce Cristina Guimarães
Universidade Estadual de Campinas, Instituto de Química, Campinas, Brasil.
José Alberto Fracassi da Silva
Universidade Estadual de Campinas, Instituto Nacional de Ciência e Tecnologia em Bioanalítica, Campinas, Brasil.
https://orcid.org/0000-0001-9522-6181
Dosil Pereira de Jesus
Universidade Estadual de Campinas, Instituto de Química, Campinas, Brasil.

Abstract

Capillary electrophoresis (CE) with capacitively coupled contactless conductivity detection (C4D) was used for determination of sodium and potassium concentrations in diet and non-diet soft drinks. Higher sodium concentrations were found in the diet samples due to the utilization of sodium salts of cyclamate and saccharine as sweeteners. The CE-C4D method can be used by food industries and health regulatory agencies for monitoring sodium and potassium content, not only in soft drink but in many others food products.

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How to Cite
Guimarães, I. C., da Silva, J. A. F., & de Jesus, D. P. (2009). Comparison of potassium and sodium content in diet and non-diet soft drinks by using capillary electrophoresis with capacitively coupled contactless conductivity detection. Eclética Química, 34(3), 51–56. https://doi.org/10.26850/1678-4618eqj.v34.3.2009.p51-56
Issue
Vol. 34 No. 3 (2009): Eclética Química
Section
Original articles
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