. Journal . , in France, the SocietcFrangaise des Produits Azotes is i)roducing 4000 tons peryear at its work at \otre Dame dc Briancon. Other worksof varying capacities in Italy. Switzerland. Oermanyand England. The initial plant of the American CyanamideCompany is in co\irse of construction at Niagara Falls,Ontario, and it is anticipated that production will beginearly in tlie sjiring of Itloit. On the basis of 10 per cent,nitrogen content, the initial capacity of the half-unit ]ilantat Niagara Falls will be tons per amium. Thiscyanamide will yield from 1l> to per cent,
. Journal . , in France, the SocietcFrangaise des Produits Azotes is i)roducing 4000 tons peryear at its work at \otre Dame dc Briancon. Other worksof varying capacities in Italy. Switzerland. Oermanyand England. The initial plant of the American CyanamideCompany is in co\irse of construction at Niagara Falls,Ontario, and it is anticipated that production will beginearly in tlie sjiring of Itloit. On the basis of 10 per cent,nitrogen content, the initial capacity of the half-unit ]ilantat Niagara Falls will be tons per amium. Thiscyanamide will yield from 1l> to per cent, of ammonia. Indeference to ncpiircnicnts of American trade, free limewill be eliminated, and the nitrogen content reduced ascompared with the European product. Defenninlng nitric acid. He.«. See XXIII. Determiriitif/mtlphile. Milba\ier. .Sce XXIIT. Patents. Sulphuric acid ; Siinullaneous manujaclure. concentration. iiud purificalinn nj . C. (. ,le Briailles. Fr. Pat !.(;. Oct. 31. Ii)07. i _^^£. ^\\\\\\\S\\\\\\\\\v\V<\\\\\\\\\^v<\\\\\X TiTE perforated tube ^2). is fixed inside the eaitheriware vessel (1), and surrounded by granu-lated coke, retort carbon, or silicon carbide. A rigid leadcover (5), and a porcelain bottom (4), close the top and bottom of the vessel (1), respectively, thoroughly gas-tight joints being assured between (2)and (T,) on the onohand, and between (5) and (1) on the other. Through thetube (2), which is fitted with a tap ((i), a current ofsulphurous acid, liquefied or in solution, is forced underpressure into the porous vessel (I). Thelatterissurroundedby a lead container (7), cold water circulatincr inside theintervening space. The tube (2), and the container (7),serve as positive and negative electrode respectively, andare insulated from one another by a rubber rin^j (8),surrounding the plate (9), which carries the vessel (1).and is itself supported by the insulators (10). iVhen asuitable electric cun-ent is
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectchemist, bookyear1882
