Anthracen, tr. and ed. by W. Crookes1877 |
Des de l'interior del llibre
Resultats 1 - 5 de 52.
Pàgina x
... lime , and baryta salts Anthraquinon mono - carbonic acid Oxyanthraquinon Its preparation in quantity Separation from alizarin 92 94 95 95 97 . 101 . 102 . 104 . 105 Oxyacetylanthraquinon . . 107 Erythroxyanthraquinon . 107 Comparative ...
... lime , and baryta salts Anthraquinon mono - carbonic acid Oxyanthraquinon Its preparation in quantity Separation from alizarin 92 94 95 95 97 . 101 . 102 . 104 . 105 Oxyacetylanthraquinon . . 107 Erythroxyanthraquinon . 107 Comparative ...
Pàgina 7
... lime , have adopted this latter structural formula , as belonging to anthracen . It shows that anthra- quinon is not a true quinon , but a double keton . The first formula is recognised as appropriate to phenanthren . The formula for ...
... lime , have adopted this latter structural formula , as belonging to anthracen . It shows that anthra- quinon is not a true quinon , but a double keton . The first formula is recognised as appropriate to phenanthren . The formula for ...
Pàgina 9
... lime . As in benzol and naphthalin , all the hydrogen - atoms of anthracen have a distinct aromatic character ; the com- pounds formed from anthracen by the addition of hydrogen and PHYSICAL PROPERTIES OF ANTIIRACEN . 9.
... lime . As in benzol and naphthalin , all the hydrogen - atoms of anthracen have a distinct aromatic character ; the com- pounds formed from anthracen by the addition of hydrogen and PHYSICAL PROPERTIES OF ANTIIRACEN . 9.
Pàgina 26
... lime . The anthracen is pre- viously ground up with the potash and the lime . A strong odour of ammonia is often perceived , and if the mixture is lixiviated with water a green solution is obtained which deposits greenish blue flocks of ...
... lime . The anthracen is pre- viously ground up with the potash and the lime . A strong odour of ammonia is often perceived , and if the mixture is lixiviated with water a green solution is obtained which deposits greenish blue flocks of ...
Pàgina 27
... lime . The yield was 383 kilos . of an- thracen at 44 per cent . The loss was therefore 17.5 kilos . , or 10 per cent . If we include the considerable consump- tion of fuel required in heating the retorts , we see at once that this ...
... lime . The yield was 383 kilos . of an- thracen at 44 per cent . The loss was therefore 17.5 kilos . , or 10 per cent . If we include the considerable consump- tion of fuel required in heating the retorts , we see at once that this ...
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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