Anthracen, tr. and ed. by W. Crookes1877 |
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Pàgina 35
... crystallises out , diluted with much water , boiled , let cool , and filtered . It is next washed with water till the reaction of the washings is perfectly neutral , then with dilute soda lye , then again with water , dried and weighed ...
... crystallises out , diluted with much water , boiled , let cool , and filtered . It is next washed with water till the reaction of the washings is perfectly neutral , then with dilute soda lye , then again with water , dried and weighed ...
Pàgina 36
... crystallises from ether in yellowish , fusible , and volatile needles , which on treatment with alcoholic potassa become the monochloride , C1 , H , Cl . 14 The action of bromine produces several products , to be described farther on ...
... crystallises from ether in yellowish , fusible , and volatile needles , which on treatment with alcoholic potassa become the monochloride , C1 , H , Cl . 14 The action of bromine produces several products , to be described farther on ...
Pàgina 37
Gustav Auerbach sir William Crookes. C1 , H , SO3Pb C1H , SO crystallises in yellowish white columns . If heated with hydriodic acid in a sealed glass tube to 150 ° -160 ° , anthracen is first converted into anthracendihy- dride , C1H1H2 ...
Gustav Auerbach sir William Crookes. C1 , H , SO3Pb C1H , SO crystallises in yellowish white columns . If heated with hydriodic acid in a sealed glass tube to 150 ° -160 ° , anthracen is first converted into anthracendihy- dride , C1H1H2 ...
Pàgina 38
... alcohol , or by distillation . Anthracendihydride crystallises from alcohol in colour- less tables , which often resemble naphthalin . The crystals are small monoclinar tables , with the base c = 38 ANTHRACEN . Dihydride.
... alcohol , or by distillation . Anthracendihydride crystallises from alcohol in colour- less tables , which often resemble naphthalin . The crystals are small monoclinar tables , with the base c = 38 ANTHRACEN . Dihydride.
Pàgina 43
... crystallises from solvents in leaflets , and is readily soluble in alcohol , ether , and benzol . If conducted through an ignited tube , it is resolved into anthracen and free hydrogen . It resists the action of nitric acid much better ...
... crystallises from solvents in leaflets , and is readily soluble in alcohol , ether , and benzol . If conducted through an ignited tube , it is resolved into anthracen and free hydrogen . It resists the action of nitric acid much better ...
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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