Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3747Chemical news office., 1932 |
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Strona 87
... cent . yield . ash content consisted mainly of calcium sul- phate , which amounts to 0.6 per cent . in algarite washed with excess of boiling hydro- chloric acid . In freshly precipitated algarite the ash content is 3.9 per cent ...
... cent . yield . ash content consisted mainly of calcium sul- phate , which amounts to 0.6 per cent . in algarite washed with excess of boiling hydro- chloric acid . In freshly precipitated algarite the ash content is 3.9 per cent ...
Strona 88
... cent . ) a dark coloured oil is liberated . If the tungstic acid precipitate be dis- solved in ammonia and reprecipitated by the addition of hydrochloric acid , tungstic acid is thrown down , and after filtration a brown solution ...
... cent . ) a dark coloured oil is liberated . If the tungstic acid precipitate be dis- solved in ammonia and reprecipitated by the addition of hydrochloric acid , tungstic acid is thrown down , and after filtration a brown solution ...
Strona 91
... cent . sodium carbonate after four days ' hydrolysis . Reagent Ethyl alcohol Tungstic acid Ammonia Chloroform ... ... Weight of precipitate Organic Weight of Organic matter Ash precipitate matter Ash ... 0.3518 0.2530 0.0988 0.1352 ...
... cent . sodium carbonate after four days ' hydrolysis . Reagent Ethyl alcohol Tungstic acid Ammonia Chloroform ... ... Weight of precipitate Organic Weight of Organic matter Ash precipitate matter Ash ... 0.3518 0.2530 0.0988 0.1352 ...
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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