Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3747Chemical news office., 1932 |
Z wnętrza książki
Wyniki 1 - 3 z 5
Strona 87
... remaining after their exhaustive extraction in the autoclave as described , 100 gms . of the dried weed were hydrolysed for a period of four days with one litre of a 5 per cent . by weight solution of sulphuric acid , then filtered ...
... remaining after their exhaustive extraction in the autoclave as described , 100 gms . of the dried weed were hydrolysed for a period of four days with one litre of a 5 per cent . by weight solution of sulphuric acid , then filtered ...
Strona 89
... remaining acid liquor was placed on the water bath and allowed to concentrate . As the acid grew stronger the mass became blacker and blacker , resulting in a quantity of a rubber - like material gelatinous to the touch as it also was ...
... remaining acid liquor was placed on the water bath and allowed to concentrate . As the acid grew stronger the mass became blacker and blacker , resulting in a quantity of a rubber - like material gelatinous to the touch as it also was ...
Strona 91
... remaining 51 per cent . consisted of an oily looking substance of an acidic nature as it was totally soluble in soda . When the acids were heated with calcium chloride under the same conditions , approxi- mately the same amount was ...
... remaining 51 per cent . consisted of an oily looking substance of an acidic nature as it was totally soluble in soda . When the acids were heated with calcium chloride under the same conditions , approxi- mately the same amount was ...
Inne wydania - Wyświetl wszystko
Kluczowe wyrazy i wyrażenia
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