题目内容

取80℃干燥2小时乳糖，加水溶解并定量稀释制成浓度为0.1g/ml的溶液，依法测定，若比旋度+52.0°～+52.6°，则测得旋光度的范围是

2021-10-18

A.+52.0°～+52.6°

B.－52.0°～－52.6°

C.+5.20°～+5.26°

D.－5.20°～－5.26°

E.+0.520°～+0.526°

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