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

---

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.

---

Size: 4913px × 3638px
Photo credit: © ANDREW LAMBERT PHOTOGRAPHY/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: analysing, aqueous, chemical, chemistry, chloride, cobalt, colour, demonstration, dihydrate, education, equipment, experiment, hexahydrate, hydration, indicator, laboratory, liquid, paper, pink, pipette, pipetting, reacting, reaction, school, science, sequence, series, solution, test, testing, water