的测量时间是否正好为5，10，…60分钟？蔗糖水解过程中体系的旋光度增大还是减小？ -题库考试答案搜索网

的测量时间是否正好为5，10，…60分钟？蔗糖水解过程中体系的旋光度增大还是减小？

问答题

2021-12-30 01:34

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正确答案

不是，应在旋光度读数稳定后，先记录精确的反应时间，几分几秒，再读旋光度。由于反应体系的旋光度会由右旋逐渐转变为左旋，蔗糖水解过程中旋光度是在不断减小。

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标签：物理学林学

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