RED STRONTIUM SALTS Strontium Nitrate GREEN ^ BARIUM SALTS Barium Nitrite • Barium Carbonate Barium Chloride Barium Chlorate л Г ORANGE 1 r YELLOW CALCIUM SALTS SODIUM SALTS I 1 Calcium Carbonate 1 Sodium Nitrate 1 Calcium Chloride 1 Sodium Oxalate 1. c Cryolite BLUE COPPER SALTS