The high-purity MPC standard sample was obtained by reduced pressure distillation and the removal of minor phenol with dilute sodium hydroxide solution.
反应产物经减压精馏、碱洗、水洗、干燥等精制处理，得到了纯度较高的M PC标准品。
The high-purity MPC standard sample was obtained by reduced pressure distillation and the removal of minor phenol with dilute sodium hydroxide solution.
反应产物经减压精馏、碱洗、水洗、干燥等精制处理，得到了纯度较高的M PC标准品。
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