Anthracen, tr. and ed. by W. Crookes1877 |
Des de l'interior del llibre
Resultats 1 - 5 de 88.
Pàgina 5
... yields on oxidation phthalic acid , it cannot be regarded as a derivative of diphenylacetylen , since these derivatives must yield on oxidation , benzoic acid or substituted benzoic acids . In the meantime , Limpricht and Schwanert ...
... yields on oxidation phthalic acid , it cannot be regarded as a derivative of diphenylacetylen , since these derivatives must yield on oxidation , benzoic acid or substituted benzoic acids . In the meantime , Limpricht and Schwanert ...
Pàgina 6
... yield HĆ ( CIH ) HC - HC H сн - +2 HCI +2 H -CH CH CH H H H H Anthracen . Benzylchlorid . The bonds set free by the ... yields on oxidation phthalic acid , leads naturally to the following formula , if it is assumed that each methyl ...
... yield HĆ ( CIH ) HC - HC H сн - +2 HCI +2 H -CH CH CH H H H H Anthracen . Benzylchlorid . The bonds set free by the ... yields on oxidation phthalic acid , leads naturally to the following formula , if it is assumed that each methyl ...
Pàgina 7
... yielding : CH2 + CH = C14H10 + 4H . 10 But if we bracket those atoms of hydrogen which are evolved , and suppose that the atoms of carbon are connected by the bonds thus set at liberty , we perceive that a compound may be formed from ...
... yielding : CH2 + CH = C14H10 + 4H . 10 But if we bracket those atoms of hydrogen which are evolved , and suppose that the atoms of carbon are connected by the bonds thus set at liberty , we perceive that a compound may be formed from ...
Pàgina 8
... yield HC Styrol ( H ) HỚ HC – CH HC CH + 4H HC -CH CH ( H ) C - CH H ( H ) C CH H H HC = CH Benzol . According to the second formula the reaction would pro- ceed as follows : - HC - CH HỐ HC CH C = C ( H ) Styrol HC = CH ( H ) = HC - CH ...
... yield HC Styrol ( H ) HỚ HC – CH HC CH + 4H HC -CH CH ( H ) C - CH H ( H ) C CH H H HC = CH Benzol . According to the second formula the reaction would pro- ceed as follows : - HC - CH HỐ HC CH C = C ( H ) Styrol HC = CH ( H ) = HC - CH ...
Pàgina 9
... yields on oxidation an acid with the same proportion of carbon . They all evince great permanence as regards the chemical arrangement of the atoms of carbon which are not readily torn asunder . But whilst in benzol and naphthalin ...
... yields on oxidation an acid with the same proportion of carbon . They all evince great permanence as regards the chemical arrangement of the atoms of carbon which are not readily torn asunder . But whilst in benzol and naphthalin ...
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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