Two test tubes contain solutions of glycerin and protein. How to distinguish them using the same reagent?
| January 31, 2021 | education
A qualitative reaction to proteins is their interaction with bivalent copper hydroxide Cu (OH) 2. As a result of the interaction, violet-colored complexes are formed. This reaction is called biuret.
When glycerol interacts with Cu (OH) 2, a salt is formed – copper glycerate, and the solution itself turns bright blue.
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