Anthracen, tr. and ed. by W. Crookes1877 |
Des de l'interior del llibre
Resultats 1 - 5 de 55.
Pàgina 3
... substance de- scribed by these chemists is to be regarded thus , and not with Berthelot as methylanthracen , appears from the following reasons . Dumas and Laurent obtained their paranaph- thalin from that portion of coal - tar which ...
... substance de- scribed by these chemists is to be regarded thus , and not with Berthelot as methylanthracen , appears from the following reasons . Dumas and Laurent obtained their paranaph- thalin from that portion of coal - tar which ...
Pàgina 4
... substance from which it was prepared must have consisted mainly of anthracen . 14 8 15 8 Constitution of Anthracen and its Derivatives . Graebe and Liebermann were the first to express the view that anthracen was formed of three benzol ...
... substance from which it was prepared must have consisted mainly of anthracen . 14 8 15 8 Constitution of Anthracen and its Derivatives . Graebe and Liebermann were the first to express the view that anthracen was formed of three benzol ...
Pàgina 17
... substances most valuable as lubricants , naphthalin , cresol , and phenol , are relatively the most volatile , and pass over first . Anthracen C does not appear till the last period of the process DISTILLATION OF TAR . 17.
... substances most valuable as lubricants , naphthalin , cresol , and phenol , are relatively the most volatile , and pass over first . Anthracen C does not appear till the last period of the process DISTILLATION OF TAR . 17.
Pàgina 26
... substance which takes fire on exposure to the air , and deposits on colder parts a white sublimate of carbazol . The distillate of anthracen forms solid yellow pieces , containing about 40 per cent . of pure anthracen . Caustic soda ...
... substance which takes fire on exposure to the air , and deposits on colder parts a white sublimate of carbazol . The distillate of anthracen forms solid yellow pieces , containing about 40 per cent . of pure anthracen . Caustic soda ...
Pàgina 27
... substances . Or the anthracen may be dissolved in benzol , and the solution may be bleached by exposure to sunlight . In the latter case anthracen separates out on cooling in colourless crystals , possessing the splendid blue ...
... substances . Or the anthracen may be dissolved in benzol , and the solution may be bleached by exposure to sunlight . In the latter case anthracen separates out on cooling in colourless crystals , possessing the splendid blue ...
Frases i termes més freqüents
acetic ether alcohol alcoholic solution alizarin alkali ammonia anthra anthracen anthracendihydride anthraflavic acid anthraquinon aqueous solution baryta barytic salt benzol bibromanthracen bisulphide of carbon blue bromine brown cent Centralblatt Chem chloride chromic acid chrysammic acid chrysophanic acid cold colouring matter compound concentrated sulphuric acid converted Crown 8vo crystallisation from alcohol crystals decomposed deposited deutsch dilute dinitroanthraquinon dissolves distillation dried Edition ether evaporation filtered filtrate flocks formation formed formula Gesellsch glacial acetic acid Graebe and Liebermann grms heated hydrate of potassa hydriodic acid hydrocarbon hydrochloric acid hydroxyls insoluble isopurpurin lime liquid madder mass melting melting-point methylanthracen mixture mordants naphthalin nitric acid obtained oxidation oxidising agents oxyanthraquinon Pharm phthalic acid potash powder precipitate purified purpurin quinon reaction readily soluble red colour residue Schunck Schützenberger soda soluble in alcohol soluble in water sparingly soluble sublimes substance sulpho-acids sulphuric acid temperature tion whilst Woodcuts yellow colour yellow needles yields
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