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ethanol+oil=???

zhazpa
in Chemistry

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i've heard somewhere that ethanol can be used to test for lipids...so what exactly will happen if i added ethanol to oil :confused:

shake some of the test sample with about 4 cm³ of ethanol.

Decant the liquid into a test tube of water, leaving any undissolved substances behind. If there are lipids dissolved in the ethanol, they will precipitate in the water, forming a cloudy white emulsion.

 

 

THis can be explained using the partition Law !

 

lipid is more soluble in ethanol because they form hydropic interaction !

  • 2 weeks later...

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