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The chemistry of the coal-tar colours (1889)

Benedikt, Rudolf, 1852-1896, Knecht, Edmund, 1861-1925 · London : G. Bell · leaf 35

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ouring matters are en- larged on each side, the single colours will not undergo any appreciable change, only receiving an admixture of a certain proportion of white. Nevertheless, a very fair green is obtained by mixing the two, which is shown in spectrum 3, Fig. 12. A mixture of methyl- violet and… … FIG. 11. shades of green and yellowish-green, such as olives, moss- green, etc. Of the more brilliant colouring matters there are pro- bably no two which would fulfil the conditions expressed in Fig. 11, and would thus obstruct all the rays. This result can, however, easily be arrived at by using…

Coal-tar colors

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