Part 391

Barium nitrate, apple green.

Copper nitrate, emerald green.

Borax, green.

Lithium chloride, purple.

The colored fires are used largely in the production of various theatrical effects.

«Blue Fire.»—

I.—Ter-sulphuret of antimony 1 part Sulphur 2 parts Nitrate of potassium 6 parts

II.—Sulphur 15 parts Potassium sulphate 15 parts Ammonio-cupric sulphate 15 parts Potassium nitrate 27 parts Potassium chlorate 28 parts

III.—Chlorate of potash 8 parts Calomel 4 parts Copper sulphate 5 parts Shellac 3 parts

IV.—Ore pigment 2 parts Charcoal 3 parts Potassium chloride 5 parts Sulphur 13 parts Potassium nitrate 77 parts

V.—Potassium chlorate 10 parts Copper chlorate 20 parts Alcohol 20 parts Water 100 parts

VI.—Copper chlorate 100 parts Copper nitrate 50 parts Barium chlorate 25 parts Potassium chlorate 100 parts Alcohol 500 parts Water 1,000 parts

«Green.»—

I.—Barium chlorate 20 parts Alcohol 20 parts Water 100 parts

II.—Barium nitrate 10 parts Potassium chlorate 10 parts Alcohol 20 parts Water 100 parts

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III.—Shellac 5 parts Barium nitrate 1 1⁠/⁠4 parts

Pound after cooling, and add Barium chlorate, 2 to 5 per cent.

«Red.»—

I.—Shellac 5 parts Strontium nitrate 1 to 1.2 parts

Preparation as in green fare. In damp weather add 2 to 4 per cent of potassium chlorate to the red flame; the latter causes a little more smoke.

II.—Strontium nitrate 20 parts Potassium chlorate 10 parts Alcohol 20 parts Water 100 parts

«Yellow.»—

I.—Sulphur 16 parts Dried carbonate of soda 23 parts Chlorate of potassium 61 parts

II.—Sodium chlorate 20 parts Potassium oxalate 10 parts Alcohol 20 parts Water 100 parts

«Violet.»—

I.—Strontium chlorate 15 parts Copper chlorate 15 parts Potassium chlorate 15 parts Alcohol 50 parts Water 100 parts

II.—Potassium chlorate 20 parts Strontium chlorate 20 parts Copper chlorate 10 parts Alcohol 50 parts Water 100 parts