Maharashtra BoardEnglish MediumSTD 11 ScienceChemistryBasic Analytical Techniques3 Marks
Question
Write a short note on continuous extraction method.
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Answer
During solvent extraction, if the solute is found to be less soluble in organic phase, then continuous extraction method is employed.
In this method, the same amount of organic solvent is used repeatedly for extraction.
This ensures that the most of the solute gets extracted in the organic phase.
This technique involves continuous distillation of the solvent within the same assembly. Hence, the use of large quantity of organic solvent is avoided.
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