Using the difference of the hydrolysis speed in the water between meso-lactide and other lactides, high pure L-lactide was obtained by water washing-four times recrystallization.
利用内消旋丙交酯在水中水解的速度大于其它丙交酯的特点，用水洗和四次重结晶相结合的提纯方法，获得了高纯的L-丙交酯。
Using the difference of the hydrolysis speed in the water between meso-lactide and other lactides, high pure L-lactide was obtained by water washing-four times recrystallization.
利用内消旋丙交酯在水中水解的速度大于其它丙交酯的特点，用水洗和四次重结晶相结合的提纯方法，获得了高纯的L-丙交酯。
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