Anthracen, tr. and ed. by W. Crookes1877 |
Des de l'interior del llibre
Resultats 1 - 5 de 32.
Pàgina 33
... alkali , is treated with permanganate of potash in an alkaline solu- tion . In the performance of this process the anthraquinon , after treatment with alkali , is washed with the washing- bottle into a beaker or a small capsule ...
... alkali , is treated with permanganate of potash in an alkaline solu- tion . In the performance of this process the anthraquinon , after treatment with alkali , is washed with the washing- bottle into a beaker or a small capsule ...
Pàgina 78
... alkali into chloranilic acid . Hydrate of potassa has therefore in both cases a further oxidising action . C ̧HCl ( O2 ) ” + KHO + H2O = C ( HO ) 2Cl2 ( O2 ) ” + KCl + H2 , Trichlorquinon . 2 Chloranil acid . C , H , Br ( O , ) + KHO + ...
... alkali into chloranilic acid . Hydrate of potassa has therefore in both cases a further oxidising action . C ̧HCl ( O2 ) ” + KHO + H2O = C ( HO ) 2Cl2 ( O2 ) ” + KCl + H2 , Trichlorquinon . 2 Chloranil acid . C , H , Br ( O , ) + KHO + ...
Pàgina 80
... alkali at a melting heat . Alizarin is produced in abundance , but there is also reproduction of a certain quantity of anthraquinon . The mononitrated quinon - derivative behaves also like a dinitroanthraquinon when its solution in an ...
... alkali at a melting heat . Alizarin is produced in abundance , but there is also reproduction of a certain quantity of anthraquinon . The mononitrated quinon - derivative behaves also like a dinitroanthraquinon when its solution in an ...
Pàgina 82
... alkali a brown humus - like body is formed with partial car- bonisation , a small quantity of alizarin is formed , ammonia escapes , and a gas which causes a smouldering chip of wood to glow more vividly . Reducing agents convert it ...
... alkali a brown humus - like body is formed with partial car- bonisation , a small quantity of alizarin is formed , ammonia escapes , and a gas which causes a smouldering chip of wood to glow more vividly . Reducing agents convert it ...
Pàgina 83
... alkali , and alcohol , but dissolve readily in bisulphide of carbon with a splendid magenta colour . If the sulphide of carbon is shaken up with water , the red colour is not with- drawn ; alcohol also takes up very little of it , and ...
... alkali , and alcohol , but dissolve readily in bisulphide of carbon with a splendid magenta colour . If the sulphide of carbon is shaken up with water , the red colour is not with- drawn ; alcohol also takes up very little of it , and ...
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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