JAMB - Chemistry (2024 - No. 12)
Biuret test is a chemical test used for detecting the presence of
carbohydrates
proteins
amines
alkanoates
Forklaring
The biuret test uses copper sulphate in a basic solution to create a purple complex with substances that contain two or more peptide bonds. If protein is present, the biuret reagent will turn purple, and if no protein is present, it will remain blue.
The biuret test is a chemical test that detects the presence of proteins in a sample.