ANDREW LAMBERT PHOTOGRAPHY / SCIENCE PHOTO LIBRARY ANDREW LAMBERT PHOTOGRAPHY / SCIENCE PHOTO LIBRARY
Cobalt chloride paper. Image 2 of 2. Solution being pipetted on to a piece of cobalt chloride (CoCl2) paper. Cobalt chloride paper is used to indicate the presence of water - changing from blue to pink in a hydration reaction. For an image showing the paper before the reaction see A500/816.
Model release not required. Property release not required.