Nitric acid was made in 52 establishments, whose combined output was 78,589 tons, of which 14,685 tons sold for $1,591,625 — an in crease of 17.3 per cent since 1909.
Mixed acids (sulphuric and nitric) were made by 37 establishments, with an output of 112,124 tons, of which 42,725 tons were sold for $2,204,480— an increase over 1909 of 49.4 per cent in the quantity made though but 18.5 per cent in the price received.
Citric acid was made in three establishments whose production was 2,657,840 pounds, valued at $1,516,336— an increase of 95.1 per cent in value, and 26.4 per cent in quantity.
Muriatic or hydrochloric acid was made in 31 establishments whose output was 337,167,882 pounds, of which 170,876,878 pounds were sold for $1,348,805 — a decrease of 15.9 per cent in quantity and 23.3 per cent in value as compared with the figures for 1909.
Oleic acid was manufactured in seven estab lishments, the output aggregating 23,187,570 pounds, of which 21,932,736 pounds were sold for $1,301,353— an advance of 34 per cent in quantity and 54 per cent in value over 1909.
Acetic acid was made in 13 establishments, the output aggregating 75,303,375 pounds, of which 70,617,637 pounds were sold •for $1,272,294 — showing an increase of 24.1 per cent in quantity made, and a decrease of 4.8 per cent in the price received.
Stearic acid was made in 10 establishments whose combined output was 14,351,404 pounds, valued at $1,242,492 — an increase of 8.7 per cent.
No other acids reached a production valued at $1,000,000.
Alums engaged 19 establishments with a total output of 313,712,000 pounds, valued at $3,467, 969— an increase of 13.5 per cent in quantity and 14.7 per cent in value.
Bleaching Materials were made in 51 estab lishments, and their output was valued at $4, 964,403, an increase of 54.4 per cent since 1909. These products include chloride of lime or bleaching powder, chloride of soda and other hypochlorites, hydrogen peroxide (or dioxide), sodium (and other) peroxide (or dioxide), bi- sulphites of soda, lime, etc., chlorine, sulphur dioxide, lime-sulphur solutions, etc.
constitute the most important class, aggregating 222,152,000 pounds, valued at 578,269, an increase over 1909 of 902 per cent in quantity and 44.3 per cent in value. Of the total value, $1,714,837 was gained by electro chemical processes. Hydrogen peroxide en gaged 20 establishments whose combined output was 32,594,807 pounds, valued at $1,303,596— an increase of 49.7 per cent since 1909.
Cyanides were made in six establishments, the production amounting to 16,450,225 pounds, valued at $2,398,674— an increase of 2,3.5 per cent over the figures of 1909.
Plastics, including pyroxylin (under vari our trade names—celluloid, fiberloid, viscoloid, xylonite, etc.), viscose, artificial silk, Bakelite, rubber substitutes, and all plastic materials based on rubber, gutta percha, fibrin, casein, gluten, gums, glue, etc., as cementing agents, engaged 24 establishments which produced ma terials valued at $13,895,784 — an increase over 1909 of 86 per cent.
Sodas and Sodium products were made in 68 establishments. The output was 1,371,105 tons of soda, valued at $22,616,696, and 169,049 tons of sodium salts valued.at $8,280,572. The increase since 1909 was 41.7 per cent in quantity and 12.7 per cent in value.
Gases, compressed and liquefied, were made in 127 establishments whose output was valued at $8,097,720— an increase of 562 per cent over 1909.
Electric Chemicals — those made by the aid of electricity—included aluminum; phosphorus; silicon; sodium; carbon in its allotropic form of graphite or plumbago; chlorine; oxygen; hydrogen; ferroalloys; copper, titanium, and vanadium compositions and other alloys; car borundum ; alundum; caustic soda; caustic potash; sodium peroxide; chloride of lime and other hypochlorites; bisulphide of carbon; and muriatic acid. The electrical production in the iron and steel industries is not included. These substances were manufactured in 36 establish ments, and the output was valued at $29,661,649 — an increase of 60 per cent over the 1909 value. The products of largest value were ferro alloys, $2,859,482; caustic soda and potash and lye, hypochlorites, $1,714,387; and chlorates, $1,131,316.
Potash and potassium products engaged 39 establishments whose total output was valued at $4,094,927.
Products were made in 40 estab lishments whose output was valued at $8,839,506. These figures do not include the by-products of coking plants. Of the total value, the manu facturers of synthetic dyes produced $4,652,947, and the manufacturers of coal-tar medicines, $774,350.
Fine Chemicals.—This division includes the high grade chemicals rated or chemically pure, as well as many laboratory products. Their combined value was $10,316,519.