| 释义 |
redistillation
noun[ U ]
(alsore-distillation)uk /ˌriː.dɪs.tɪˈleɪ.ʃən/ us /ˌriː.dɪs.təˈleɪ.ʃən/
the process of distilling a liquid again (= making it stronger or purer by heating until it changes to a gas, and then cooling so that it changes back into a liquid), for a second, third, etc. time:
The alcohol is collected for redistillation.
The process of re-distillation is the most convenient and least expensive for recovering the oil.
Rectification by redistillation continues until a water-alcohol solution of 95.6% Alc.Vol. is achieved.
Preparations of such compounds are purified by methods such as recrystallisation or re-distillation, before they are marketed.
Simple redistillation in glass is not sufficient to correct the toxicity of the ordinary distilled water.
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