Anthracen, tr. and ed. by W. Crookes1877 |
Des de l'interior del llibre
Resultats 1 - 5 de 47.
Pàgina 14
... , as obtained by Zincke on distilla- tion in vacuum , manifests similar phenomena of decomposi- tion ; if heated under atmospheric pressure , it yields hydro- chloric acid , benzylchloride , benzyltoluol , and a residue 14 ANTHRACEN .
... , as obtained by Zincke on distilla- tion in vacuum , manifests similar phenomena of decomposi- tion ; if heated under atmospheric pressure , it yields hydro- chloric acid , benzylchloride , benzyltoluol , and a residue 14 ANTHRACEN .
Pàgina 15
Gustav Auerbach sir William Crookes. chloric acid , benzylchloride , benzyltoluol , and a residue which afterwards yields anthracen and toluol . If the chloride is distilled in a vacuum , the same decomposition ensues , though slowly . A ...
Gustav Auerbach sir William Crookes. chloric acid , benzylchloride , benzyltoluol , and a residue which afterwards yields anthracen and toluol . If the chloride is distilled in a vacuum , the same decomposition ensues , though slowly . A ...
Pàgina 17
... residue in the still is then fluid enough to be run off when hot ; but on cooling it congeals to a black , shining , brittle , solid mass , ' hard pitch , ' which softens only at high tempera- tures , and which even in summer can be ...
... residue in the still is then fluid enough to be run off when hot ; but on cooling it congeals to a black , shining , brittle , solid mass , ' hard pitch , ' which softens only at high tempera- tures , and which even in summer can be ...
Pàgina 18
... residue , still containing many oils , is heated to about 40 ° C. , and intro- duced into powerful hydraulic presses , which , if practicable , are fitted with hot plates in the style of oil presses . In this manner the greater part of ...
... residue , still containing many oils , is heated to about 40 ° C. , and intro- duced into powerful hydraulic presses , which , if practicable , are fitted with hot plates in the style of oil presses . In this manner the greater part of ...
Pàgina 20
... residue in the still is sufficiently liquid to be run off , whilst hot , in the ordinary manner . If it is too thick to flow off , it is not difficult to arrange the whole apparatus so that the neck of the still can be closed , and thus ...
... residue in the still is sufficiently liquid to be run off , whilst hot , in the ordinary manner . If it is too thick to flow off , it is not difficult to arrange the whole apparatus so that the neck of the still can be closed , and thus ...
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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