Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3747Chemical news office., 1932 |
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Strona 88
... solu- ble in chloroform . It is only partially solu- ble in ether and petroleum ether , the * Haas and Wells16 noted the formation of the brown amorphous powder during the acid hydrolysis of seaweed in 1923 , but the yield was small ...
... solu- ble in chloroform . It is only partially solu- ble in ether and petroleum ether , the * Haas and Wells16 noted the formation of the brown amorphous powder during the acid hydrolysis of seaweed in 1923 , but the yield was small ...
Strona 89
... solu- tion . The filtered acid liquors were a dark brown colour , and after repeated extrac- tions with chloroform a water - insoluble red oil was isolated , amounting in all to 5.9 gms . After the isolation of the oil a portion of the ...
... solu- tion . The filtered acid liquors were a dark brown colour , and after repeated extrac- tions with chloroform a water - insoluble red oil was isolated , amounting in all to 5.9 gms . After the isolation of the oil a portion of the ...
Strona 90
... solu- tion in caustic soda readily reduces Fehling solution , as also does the aqueous or slightly acid solutions in which algarose is sparingly soluble . If , after drying , it be attempted to dissolve algarose in an aqueous or soda ...
... solu- tion in caustic soda readily reduces Fehling solution , as also does the aqueous or slightly acid solutions in which algarose is sparingly soluble . If , after drying , it be attempted to dissolve algarose in an aqueous or soda ...
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acid hydrolysis alcohol Algarite algarose alkaline aluminium ammonia amount analysed animal appearance application aqueous associated become boiling brown Building Bureau of Mines Burrell calcium called carbon caustic soda cent Chemical Chemistry chloroform College colour considerable constitution contained cures differs difficulties dissolved ether evolved extract FEBRUARY give heated Honolulu Oil important Industry insoluble INSTITUTE interest January known later lime liquid London manufacture material matter METALS Method naphthenic acids nature nil nil obtained Office Oil Co patent period placed pounds powder precipitate present probably produced protection pure pyridine quantities recently reduces remaining Report Research residue resulting rickets salts Sampled Science scientific property seaweed shown solid solu soluble solution Street substance sugars suggested sulphuric acid Theory tion top of oil Trade University vitamin volume weight worker yield zone