Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3747Chemical news office., 1932 |
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Strona 89
... 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 in appearance , and ...
... 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 in appearance , and ...
Strona 91
... placed in the air- oven at 110 ° C. for one week , 49 per cent . by weight were converted into a solid material insoluble in both caustic soda and chloroform . In appearance it resembled the insoluble variety of algarose resultant upon ...
... placed in the air- oven at 110 ° C. for one week , 49 per cent . by weight were converted into a solid material insoluble in both caustic soda and chloroform . In appearance it resembled the insoluble variety of algarose resultant upon ...
Strona 93
... placed on the importation of this chemical since Novem- ber 1st last . This step is partly intended as a means of controlling the domestic market and it is expected that the codeine phos- phate market will be stabilised in the near ...
... placed on the importation of this chemical since Novem- ber 1st last . This step is partly intended as a means of controlling the domestic market and it is expected that the codeine phos- phate market will be stabilised in the near ...
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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