Coal And What We Get From It a Romance of Applied Science Expanded From the No
Coal And What We Get From It a Romance of Applied Science Expanded From the No
Raphael Meldola
The book Coal And What We Get From It a Romance of Applied Science Expanded From the No was written by author Raphael Meldola Here you can read free online of Coal And What We Get From It a Romance of Applied Science Expanded From the No book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Coal And What We Get From It a Romance of Applied Science Expanded From the No a good or bad book?
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This was isolated by Perkin in 1861, and studied scientifically by Hofmann and Geyger, who established its com- position in 1872, the dye being at that time manufactured under the name of " saffranine. " It appears to have been first introduced about 1868. The conditions of formation of this dye were at first imperfectly understood, but the problem was attacked by chemists and technologists, and the first point of importance resulting from their work was that saffranine was derived from one of ...the toluidines present in the commercial aniline. To record the various steps in this chapter of industrial chemistry would take us beyond the scope of the present work, In addition to the chemists named, AND WHAT WE GET FROM IT. Caro, Bindschedler, and others contributed to the technology, while the scientific side of the matter was first taken up by Nietzki in 1877, by Otto Witt in 1878, and by Bernthsen in 1886. It is to the work of these chemists, and especially to that of Witt, that we owe our present knowledge of the constitution of this and allied colouring-matters.
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