Friday 3 January 2014

The emulsion test for lipids.

Take 2ml of the sample and 5ml of ethanol, then shake- this should dissolve any resent lipids.
Then add 5ml of water and shake again to mix.
If the mixture turns cloudy it is because water is being refracted as it changes between the density of water and lipids: so the cloudy appearance indicates the presence of lipids.

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