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Chinese Journal of Marine Drugs ; (6)1994.
Article in Chinese | WPRIM | ID: wpr-584975

ABSTRACT

To establish a new method for the determination of chondroitin sulfate. The method was based on the interaction of sodium chondroitin sulfate with 4-amino-3-hydrazino-5-mercapto-1,2,4-triazole to yield a violet product, 6-mercapto-3-substituted-s-triazolo-\[4,3-b\]-s-tetrzaine derivatives. Absorbance at 540 nm obeyed Beer's Law within the concentration range from 0.1 to 1.0 g?L~(-1)and the results were precise and accurate. The method was operationally simple and had a good precision and sensitivity.

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