GROUP VIII B PART 2

Use in manufacture of beer
- Permanent magnet making

Cobalt Deficiency

blue

pink

pinkish white

Common oxidation states of cobalt

Lover’s Ink, Sympathetic Ink
- Use as indicator for silica gel beads

Old nicks copper, Raney Nickel
- Found in fossil fuel combustion

Metal present in fancy jewelry (fake)
- Catalyst and Poison

Toxicity of Nickel

Identification of Nickel

lustrous, metallic, and silver with a gold tinge

The most common oxidation state of nickel is

Greenluish green in solution

Treatment of diarrhea
- Tomectin

Parasiticide, tonic

Tonic

Heaviest and densest metal known
- Osmic acid + Osmium Tetroxide

Effective catalyst

Staining of microscopic specimen used in electron microscopy

Catalyst
- Use in making crucibles and wires

abundant source of platinum