Simulation of Extraction Process in Dual-Flow Countercurrent Extraction.
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- NISHIZAWA Hideyuki
- Kyoritsu College of Pharmacy
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- SHOJI Tomoko
- Kyoritsu College of Pharmacy
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- OKIMURA Sakiko
- Kyoritsu College of Pharmacy
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- ABE Yoshihiro
- Kyoritsu College of Pharmacy
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抄録
In the extractive purification of commercial glycyrrhizin (about 90% in purity) with dual-flow countercurrent extraction, the extractive recovery of an impurity in the sample was wrongly estimated by a reported calculation method. To investigate the cause, we simulated the extractive separation of the impurity from glycyrrhizin by dual-flow countercurrent extraction. If one used the reported calculation method, the extraction recoveries of the impurity into the organic phase were calculated as 40.6% or as 99.3%, on two different assumptions: (1) the distribution ratio of the impurity changed depending on its concentration, or (2) it varied with the concentration of glycyrrhizin in the extraction apparatus. The experimental results (99.1% recovery of the impurity in the organic phase) agreed with the calculation based on the latter assumption. With the calculation method, the distribution map of the components in the extraction column could be shown as well.
収録刊行物
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- Analytical Sciences
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Analytical Sciences 11 (1), 109-112, 1995
社団法人 日本分析化学会
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詳細情報 詳細情報について
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- CRID
- 1390282679231201792
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- NII論文ID
- 10002404696
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- NII書誌ID
- AA10500785
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- COI
- 1:CAS:528:DyaK2MXjslWgsrs%3D
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- ISSN
- 13482246
- 09106340
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- Crossref
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- 抄録ライセンスフラグ
- 使用不可