Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3747Chemical news office., 1932 |
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Strona 87
... residue remained , and the balance of 56.7 gms . was dissolved in the acid filtrate . Both the residue and filtrate were extracted with chloroform , which dis- solved out the oil formed during hydrolysis . The following results were ...
... residue remained , and the balance of 56.7 gms . was dissolved in the acid filtrate . Both the residue and filtrate were extracted with chloroform , which dis- solved out the oil formed during hydrolysis . The following results were ...
Strona 88
... residue , soluble in ethyl and amyl alcohols , but insoluble in chloroform , benzene , and carbon disulphide . The Ammonia Precipitate . This precipi- tate was obtained by neutralising the acid solution with ammonia . It is a black amor ...
... residue , soluble in ethyl and amyl alcohols , but insoluble in chloroform , benzene , and carbon disulphide . The Ammonia Precipitate . This precipi- tate was obtained by neutralising the acid solution with ammonia . It is a black amor ...
Strona 90
... residues . A residue of carbon remains . As algarose is soluble in alkalis , from which solutions it is reprecipitated by acids , its nature is acidic . It has not yet been ascertained whether this acidity is due to the presence of a ...
... residues . A residue of carbon remains . As algarose is soluble in alkalis , from which solutions it is reprecipitated by acids , its nature is acidic . It has not yet been ascertained whether this acidity is due to the presence of a ...
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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