III

Table of Colors of Borax Beads in Oxidizing Flame

Element Color Hot Color Cold
Aluminum Colorless to Cloudy Colorless to Cloudy
Antimony Yellowish Colorless
Barium Colorless to Opaque Colorless to Opaque
Bismuth Yellow Colorless
Cadmium Yellow Colorless to White
Calcium Colorless Colorless
Chromium Reddish Yellow Yellowish Green
Cobalt Blue Blue
Copper Green Greenish Blue
Iron Orange Yellow
Lead Yellow Colorless
Magnesium Colorless Colorless
Manganese Violet Reddish Violet
Nickel Violet Reddish Brown
Silver Colorless Milk-White
Strontium Colorless to Opaque Colorless to Opaque
Tin Colorless Colorless
Zinc Yellowish Colorless