蔗糖水解反应速率常数的测定 相关问题

蒸馏水has no 旋光， can be used to set zero on your machine. Without zeroing your machine， how do you know where it starts in counting rotating angle? It may starts at 5 degree without correction， then your reading of 30 degree will be too much.

蒸馏水无旋光性。