A process for the preparation of anhydrous acetaldoxime from an aqueous solution by gaseous extration with methylene chloride as extracting agent was studied.

 
  • 研究了以二氯甲烷为萃取剂,利用气相萃取由乙醛肟水溶液制备无水乙醛肟的工艺过程,所得乙醛肟贮存稳定性好,含量在99%25以上,收率达93
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