Discoveries and inventions of the nineteenth century (1905)
Routledge, Robert · London : G. Routledge and Sons · leaf 838
his cup, for water would, by absorb-ing the nitrous fumes, form an acid capable of attarking and destroyingthe spindle. Nothing has been found to answer better for this purpose thannitro-benzol itself. The charge introduced into these vessels is a mixture 50 786 COAL-TAR COLOURS. of nitric and… … Fig. 355.—Apparatus for makmg Aniline, not become too hot. The nitro-benzol thus obtained is purified by washingwith water and solution of soda. If nitro-benzol were brought into contact with ordinary hydrogen gas, noaction whatever would take place. Rut it is well known to chemists thatgases which…
Inventions
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