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Citation: WANG Zhi-Hua, MA Hui-Min, MA Quan-Li, SU Mei-Hong, LIANG Shu-Quan. Study on Two-Phase Aqueous Extraction System[J]. Chinese Journal of Applied Chemistry, ;2001, 18(3): 173-175. shu

Study on Two-Phase Aqueous Extraction System

1.
Center for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100080

Received Date: 22 August 2000
Available Online: 17 November 2000
Fund Project: 国家自然科学基金资助项目(29575216) (29575216)

The phase separation ability of various salts and organic solvents for two phase aqueous extraction system was studied.There are many factors affecting the phase separation,such as the kind and concentration of solvent and salts.According to the variation of organic solvent phase volumes after separation,three categories of two phase aqueous extraction have been observed:type Ⅰ(V_initial<V_end),type Ⅱ(V_initial>V_end) and type Ⅲ(type Ⅰ and concurrently type Ⅱ).
- organic solvent,
- two-phase aqueous extraction system,
- phase separation mechanism
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