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Why is copper(II) sulfate added drop by drop during the Biuret test?
The Biuret test is a test for proteins. The procedure is to add a strong base, such as NaOH, to dissolve the protein. After that, copper(II) sulfate is added drop by drop into this until a (violet) ...
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3
votes
1
answer
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Why are different colors, according to sugar concentration observed in Benedict's test?
Colors range from green yellow orange to red. How does the sugar concentration and Cu2O concentration cause this?
I know Cu2O is red. Why is there a green or yellow color instead of just red or some ...
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