Name: THE BIURET TEST FOR PROTEINS @ceeaerasmus6013
Uploaded: 2017-05-07T01:29:31-0400
Duration: 8 min 17 s
Description: Several alkaline solutions of soluble proteins are obtained and tested with copper sulfate to obtain the biuret complex. The violet color is the prove of biuret formation in a protein solution. As example you can see egg white, egg yolk, milk, gelatine, etc.

SOLUBILIZATION OF THE ALUMINIUM HYDROXIDE WITH EXCESS SODIUM HYDROXIDE @ceeaerasmus6013

Uploaded April 2017 | Updated September 2026, 2 days ago

Describing the aluminium hydroxide formation by precipitating this hydroxide from a soluble aluminium salt. Adding an excess of precipitate the aluminium hydroxide is solubilized by forming the sodium tetrahydroxoaluminate.

SOLUBILIZATION OF THE ALUMINIUM HYDROXIDE WITH EXCESS SODIUM HYDROXIDE

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