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Citation: DONG Yan, YIN Zhi-Lei, ZHONG Hong-Mei, YU Hui, SUN Si-Xiu. Extraction of Lactic Acid by Primary Amine N1923[J]. Chinese Journal of Applied Chemistry, ;2001, 18(10): 843-845. shu

Extraction of Lactic Acid by Primary Amine N1923

1.
Department of Chemistry, Shandong University, Ji'nan 250100

Received Date: 29 December 2000
Available Online: 25 June 2001

The extraction of lactic acid(HA) with primary amine N1923(RNH₂) has been studied by means of a slope method and IR spectrophotometry at (298±1) K. The composition of the extracted complex was found to be RNH₂HA. The equilibrium constant of extraction was determined as lg K_ex=1.63. The results showed that lower temperature was favorable for the extraction.
- extraction,
- primary amine N1923,
- lactic acid
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