Artificial dye-stuffs; their nature, manufacture, and uses (1917)
Ramsey, Albert R. J, Weston, H. Claude (Hubert Claude) · London : G. Routledge & sons, ltd.; New York, E. P. Dutton & co. · leaf 87
H This formula indicates that a molecule of anthracenecontains three rings, linked together, the para-atoms ofthe middle ring being shown linked together as theyform groups having a ready oxidability. Having (72 THE ANTHRACENE DYES … THE ANTHRACENE DYES 73 purified the anthracene, it is possible to proceed withthe manufacture of alizarin. The following description of one well-known processwill be better understood by reference to Fig. 12, inwhich the plant used is diagrammatically set out. The first step in the manufacture of…
Dyes and dyeing
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