In our department we have purchased pulsed liquid-liquid extraction equipment for experiment demonstration. I am interested to use it for doing research. Would you tell me which systems are important to be explored using this type of extraction?
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Re: What are common test systems for liquid-liquid extraction?
2 June 2010 at 1:29pmThe most common test system for liquid-liquid extraction is toluene/acetone/water. I would recommend benchmarking your equipment with this extraction mixture. The pulsed extraction data could be compared with those published for this system.
Another recommended test system is n-butanol/succinic acid/water. This system provides a very low interfacial tension (~ 2 dynes/cm compared to 25 dynes/cm with the acetone system). The analytical for both systems utilizes simple titration. It is highly recommended that these extractions be performed in a well-ventilated hood. Butanol has a very strong odor.
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