Silica gel is a drying agent that often comes in the form of small, clear beads or clear rock crystals placed in ... manufacturers coat silica gel in cobalt chloride, a toxic compound.

The bulk silica gel we have is an indicating type of silica gel. The moisture color indicator is due to bright blue crystals of a heavy metal salt, cobalt chloride. As the gel begins to absorb water, ...

The researchers synthesised pink crystals of Diaqua Bisglycine Cobaltous Chloride by mixing glycine ... likely due to the presence of cobalt in glycine. This wide band gap can be harnessed to ...