Analytical Sciences
Online ISSN : 1348-2246
Print ISSN : 0910-6340
ISSN-L : 0910-6340
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Determination of Ammonium Cations and Alkali and Alkaline Earth Metal Cations in Jellyfish by Capillary Zone Electrophoresis
Keiichi FUKUSHIShinya MINAMIMotokazu KITAKATAMasaya NISHIJIMAKuriko YOKOTASahori TAKEDAShin-ichi WAKIDA
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2006 Volume 22 Issue 8 Pages 1129-1133

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Abstract

We developed a capillary zone electrophoresis method with indirect UV detection for determination of ammonium cations and alkali and alkaline earth metal cations in jellyfish. As the background electrolyte, a mixture of N-methylbenzylamine, citrate, and 18-crown-6 was used for the complete separation of all analyte cations. The limits of detection were 0.13 - 0.34 mg l-1 at a signal-to-noise ratio of three. The values of the relative standard deviation of peak area were 3.2 - 4.9%. The proposed method successfully determined the above analyte cations in jellyfish for approximately 4 min.

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© 2006 by The Japan Society for Analytical Chemistry
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