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Degree of substitution ( DS ) of carboxymethylinulin was analysed spectrophotometric titration.

用光度滴定法测定了 羧 甲基菊粉的取代度.

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Spectrophotometry and potentiometric titration are common Methods: To detect the degree of substitution of starch ester.

分光光度计法和电位滴定法是测定淀粉磷酸酯取代度的常用方法.

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