Anthracen, tr. and ed. by W. Crookes |
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according acetic acid action added addition alcohol alizarin alkali allowed ammonia anthracen anthraquinon appears atoms baryta becomes benzol blue body boiling bromine brown carbon cent Centralblatt Chem chloride chromic chrysammic cold colour complete compound concentrated contains converted cooling crystallises crystals decomposed deposited deutsch dilute dissolves distillation dried dyes easily Edition ether evaporation excess extracted filtered filtrate flocks formation formed formula further Gesellsch gives Graebe and Liebermann grms heated hydrate hydrocarbons hydrochloric acid hydrogen insoluble latter lead less lime liquid madder manner mass melting method mixed mixture mordants needles nitric acid obtained oxidation oxidising passed Pharm potash potassa powder precipitate preparation pure purpurin quantity quinon reaction readily reduced remains removed residue salt Schunck separated soda soluble solution sparingly soluble sublimes substance sulphuric acid takes temperature tion treated treatment tube violet washed whilst yellow yields
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