Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3747Chemical news office., 1932 |
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Strona 88
... 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 owing to the short not examined . time of hydrolysis , and the ...
... 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 owing to the short not examined . time of hydrolysis , and the ...
Strona 89
... ether . It contained no sul- phur . After being dissolved in caustic soda the substance rapidly reduced Fehling solu- tion . The filtered acid liquors were a dark brown colour , and after repeated extrac- tions with chloroform a water ...
... ether . It contained no sul- phur . After being dissolved in caustic soda the substance rapidly reduced Fehling solu- tion . The filtered acid liquors were a dark brown colour , and after repeated extrac- tions with chloroform a water ...
Strona 90
... ether ) O / 10 1.20 ... 1.12 14.28 ... 83.40 The oil is soluble in alcohol , chloroform and pyridine , and is sparingly soluble in carbon disulphide , water , and dilute acids ; it is insoluble in petroleum ether . It is readily soluble ...
... ether ) O / 10 1.20 ... 1.12 14.28 ... 83.40 The oil is soluble in alcohol , chloroform and pyridine , and is sparingly soluble in carbon disulphide , water , and dilute acids ; it is insoluble in petroleum ether . It is readily soluble ...
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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