Results: average recovery are: butanol 100.2%-101.5%, acetic ether 95.0%-103.1% and butyl acetate 97.8%-101.5%. coefficient of variability are: butanol 1.9%, acetic ether 2.3% and butyl acetate 2.1%.

• 结果：平均回收率丁醇100.；2%25-101