MARTYN F. CHILLMAID / SCIENCE PHOTO LIBRARY MARTYN F. CHILLMAID / SCIENCE PHOTO LIBRARY
Butylamine-copper complex formation. Pipette being used to add butylamine to a solution of copper ions. The hydrated copper ions give the light blue colour seen at the bottom of the test tube, while the dark blue colour above this is due to the formation of a complex between the copper and the butylamine.
Model release not required. Property release not required.