Biuret test. The purple ring at the top of the test tube indicates a positive result. The biuret test is a biochemical test for the presence of proteins (peptide bonds) in a solution. A positive result occurs when a purple ring appears after addition of copper (II) sulphate in alkaline solution.

px px dpi = cm x cm = MB
Details

Creative#:

TOP10163861

Source:

達志影像

Authorization Type:

RM

Release Information:

須由TPG 完整授權

Model Release:

N/A

Property Release:

N/A

Right to Privacy:

No

Same folder images:

Same folder images