Quantitation of Sodium Saccharin, Sodium Benzoate and Other Food Additives by High Speed Liquid Chromatography

Nelson, James J

doi:10.1093/chromsci/11.1.28

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1973

1979

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Cited by 25 publications

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Liquid Chromatography of Benzoic Acid and Phthalic Acid on Ion‐Exchange Resin

Hsu

Liao

1978

J Chinese Chemical Soc

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This is to report a study in which cation ion‐exchange resin serves as the stationary phase for liquid chromatography of benzoic acid and phthalic acid and aqueous ethanol acts as the mobile phase. No ion. exchange phenomenon is involved. It is rather a solvent action on the polymer matrix for the organic solutes. It was found that the elution volumes depend on the pKa values of the acids; the higher the pKa value the more the retention volume.

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