Biuret Solution
Contents
Key Stage 3
Meaning
Biuret solution is a solution which can be used to test for protein.
Method
- 1. Take a small sample of food and dissolve it in water.
- 2. Add some Biuret to the solution.
- 3. If it turns from blue to purple then the food contained protein.
 |
| This Biuret has turned purple, indicating protein is present. |
Key Stage 4
Meaning
Biuret solution is a solution which can be used to test for protein.
Method
- 1. Take a small sample of food and dissolve it in water.
- 2. Add some Biuret to the solution.
- 3. If it turns from blue to purple then the food contained protein.
|
| This Biuret has turned purple, indicating protein is present. |
References
AQA
- Biuret test, page 104-5, GCSE Biology; Student Book, Collins, AQA
- Biuret test, page 28, GCSE Combined Science; The Revision Guide, CGP, AQA
- Biuret test, page 32, GCSE Biology; The Revision Guide, CGP, AQA