Artificial Dye-Stuffs; Their Nature, Manufacture, And Uses
The book Artificial Dye-Stuffs; Their Nature, Manufacture, And Uses was written by author Albert R J Ramsey Here you can read free online of Artificial Dye-Stuffs; Their Nature, Manufacture, And Uses book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Artificial Dye-Stuffs; Their Nature, Manufacture, And Uses a good or bad book?
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This substance, as its name impHes, is a substitution product of methane in which two phenyl radicals are substituted for two of the hydrogen atoms, the formula being usually expressed — ch/ This formula, and many of the formulae in the succeeding pages, will be better understood by io6 THE ARYLMETHANE DYES remembering the quadrivalent nature of the carbon atom referred to above, and by examining briefly a more graphic representation of the constitution of diphenyl- methane, thus — H H C C H-C-...C<_ c="" h="" hc="" ch="" in="" this="" it="" will="" be="" seen="" that="" two="" valencies="" of="" the="" carbon="" atom="" methane="" molecule="" are="" united="" to="" atoms="" benzene="" rings="" place="" hydrogen="" whilst="" remaining="" central="" remain-="" ing="" molecule.="" six="" and="" five="" each="" constitute="" what="" is="" known="" as="" phenyl="" radical="" one="" those="" groups="" which="" enter="" into="" combinations="" manner="" a="" single="" but="" have="" so="" far="" not="" been="" isolated.="">
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