ANDREW LAMBERT PHOTOGRAPHY / SCIENCE PHOTO LIBRARY ANDREW LAMBERT PHOTOGRAPHY / SCIENCE PHOTO LIBRARY
Cobalt chloride paper. Image 1 of 2. Solution about to be 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 reaction see A500/817.
Model release not required. Property release not required.