Anthracen, tr. and ed. by W. Crookes1877 |
Des de l'interior del llibre
Resultats 1 - 5 de 45.
Pàgina x
... Separation from alizarin Oxyacetylanthraquinon . Erythroxyanthraquinon Comparative table of properties of the two oxyanthraquinons Sulphoxyanthraquinonic acid . Alizarin . Earliest history of Its pre - existence in the root PAGE . 57 ...
... Separation from alizarin Oxyacetylanthraquinon . Erythroxyanthraquinon Comparative table of properties of the two oxyanthraquinons Sulphoxyanthraquinonic acid . Alizarin . Earliest history of Its pre - existence in the root PAGE . 57 ...
Pàgina xi
... Separation of alizarin , rubiretin , verantin , and rubianin . 122 Properties of verantin . 124 rubiretin 99 . 124 rubianin 99 124 Ruberythric and rubichloric acids . 125 Isalizarin . Hydrisalizarin Garancin . Origin Robiquet and ...
... Separation of alizarin , rubiretin , verantin , and rubianin . 122 Properties of verantin . 124 rubiretin 99 . 124 rubianin 99 124 Ruberythric and rubichloric acids . 125 Isalizarin . Hydrisalizarin Garancin . Origin Robiquet and ...
Pàgina 16
... separation from the heavy oils and its purification are very tedious . The purest product which Calvert was able to obtain on a moderately large scale , contained 40 per cent . of anthracen if cold - pressed , and 70 per cent . if hot ...
... separation from the heavy oils and its purification are very tedious . The purest product which Calvert was able to obtain on a moderately large scale , contained 40 per cent . of anthracen if cold - pressed , and 70 per cent . if hot ...
Pàgina 17
... separation of naphthalin and anthracen at reduced temperatures , they have often a butter - like , smeary consistence ; their colour is at first yellow or yellowish - green , but on exposure to the air passes gradually into a brown ...
... separation of naphthalin and anthracen at reduced temperatures , they have often a butter - like , smeary consistence ; their colour is at first yellow or yellowish - green , but on exposure to the air passes gradually into a brown ...
Pàgina 32
... separated from anthra- quinon . This applies equally to phenanthren , chrysen , & c . , and to paraffin and the so - called empyreumatic resins , & c . In reliance upon the above observations , Luck gave his pro- cess the following form ...
... separated from anthra- quinon . This applies equally to phenanthren , chrysen , & c . , and to paraffin and the so - called empyreumatic resins , & c . In reliance upon the above observations , Luck gave his pro- cess the following form ...
Frases i termes més freqüents
according action added addition alcohol alizarin alkali allowed ammonia anthracen anthraquinon appears atoms baryta becomes benzol blue body boiling bromine brown carbon cent Chem Chemie chloride chromic chrysammic cold colour complete compound concentrated contains converted cooling Crown 8vo crystallises crystals decomposed deposited derivatives deutsch dilute dissolves distillation dried dyes easily Edition ether evaporation excess extracted filtered filtrate flocks formation formed formula Gesellsch glacial acetic acid Graebe and Liebermann grms heated History hydrate hydrocarbons hydrochloric acid hydrogen insoluble latter lead less lime liquid madder mass melting method mixed mixture needles nitric acid obtained oxidation oxidising passes Pharm potash potassa powder precipitate preparation pure purpurin quantity quinon reaction readily reduced remains removed residue salt separated soda soluble solution sparingly soluble sublimes substance sulphuric acid takes temperature tion treated tube violet vols washed whilst Woodcuts yellow yields
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