MARTYN F. CHILLMAID / SCIENCE PHOTO LIBRARY MARTYN F. CHILLMAID / SCIENCE PHOTO LIBRARY
Cobalt (II) chloride ( CoCl2 ) solution. When sodium hydroxide is added to a cobalt (II) chloride solution a precipitate is formed. This can be used in forensics as well as chemistry to help to identify an unknown substance as cobalt (II) chloride.
Model release not required. Property release not required.