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Abstract
Single column anion chromatography is used for the determination of Suttocide(r)A in shampoo, styling gel, conditioner, and skin moisturizer formulations. After quantitative decomposition of the analyte, the resulting sodium glycinate is separated on a polymeric anion exchange column, using a mobile phase of 0.15 M NaOH. Specific detection is accomplished using integrated amperometry at a gold electrode. Inorganic anions as well as other formulation ingredients do not interfere under the analytical conditions, allowing for a detection limit of 50 ppm Suttocide(r)A in the samples.