Anthracen, tr. and ed. by W. Crookes1877 |
Des de l'interior del llibre
Resultats 1 - 5 de 73.
Pàgina xi
... pure alizarin Willgerodt's method . Synthesis of alizarin Properties of alizarin . Oxidation of alizarin Alizarin as an indicator in titration . Ammonium alizarate , alizaramid , and alizarin Metallic alizarates PAGE . 117 . 117 € 117 ...
... pure alizarin Willgerodt's method . Synthesis of alizarin Properties of alizarin . Oxidation of alizarin Alizarin as an indicator in titration . Ammonium alizarate , alizaramid , and alizarin Metallic alizarates PAGE . 117 . 117 € 117 ...
Pàgina 22
... pure . When the vapours are consumed , the fire in the interior of the furnace expires , as the access of air is insuffi- cient for the combustion of the coke . The man - hole is then entirely broken open ; the coke , still glowing , is ...
... pure . When the vapours are consumed , the fire in the interior of the furnace expires , as the access of air is insuffi- cient for the combustion of the coke . The man - hole is then entirely broken open ; the coke , still glowing , is ...
Pàgina 23
... of solubility refer to chemically pure anthracen , but if it is contaminated with various other PURIFICATION OF CRUDE ANTHRACEN . 23 Purification of Anthracen Distillation of Anthracen from pitch Analysis of crude Anthracen.
... of solubility refer to chemically pure anthracen , but if it is contaminated with various other PURIFICATION OF CRUDE ANTHRACEN . 23 Purification of Anthracen Distillation of Anthracen from pitch Analysis of crude Anthracen.
Pàgina 24
... pure anthracen in the crude sample . A determination of anthra- quinon is first made according to the method described below , and the crude anthracen is then divided into two classes , such as contain less than 25 per cent . of real ...
... pure anthracen in the crude sample . A determination of anthra- quinon is first made according to the method described below , and the crude anthracen is then divided into two classes , such as contain less than 25 per cent . of real ...
Pàgina 26
... pure anthracen . Caustic soda cannot be employed on account of its difficult fusibility , and as caustic potash melts too readily a little lime is added . The caustic potash can be recovered from the residue in the retort by lixiviation ...
... pure anthracen . Caustic soda cannot be employed on account of its difficult fusibility , and as caustic potash melts too readily a little lime is added . The caustic potash can be recovered from the residue in the retort by lixiviation ...
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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