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AB-191

Determination of cysteine and cystine simultaneously by polarography


Summary

After the degradation of biological samples (e.g. milk, wool, etc.), it is often important to know the cystine/cysteine ratio. This Application Bulletin describes the simultaneous, polarographic determination of the two amino acids. The determination is performed in perchloric acid solution at the DME. Samples with a high protein content require that the determination is performed in an alkaline solution.

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Metrohm Vietnam Co., LTD

Park IX Building 08 Phan Dinh Giot Street, Ward 2 , Tan Binh District
700000 Ho Chi Minh City

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