Chemical News and Journal of Industrial Science, Tomy 131-132Chemical news office., 1925 |
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Strona 17
... metals apt to occur with lead in the class of materials for which this method is desired . Bismuth , tin , cobalt ... Metal Lead Iron Copper Sulphate Chloride 0.000014 0.00010 0.673 32,80000 20,00000 Insoluble 0.00089 74.390 Insoluble ...
... metals apt to occur with lead in the class of materials for which this method is desired . Bismuth , tin , cobalt ... Metal Lead Iron Copper Sulphate Chloride 0.000014 0.00010 0.673 32,80000 20,00000 Insoluble 0.00089 74.390 Insoluble ...
Strona 20
... metal , preventing the formation of the hydrato . Calcium salts are not objectionable in the lead extract . Copper ... metals may be thus removed , the lead salt extracted from the insoluble residue by ammoniacal ammonium acetate , from ...
... metal , preventing the formation of the hydrato . Calcium salts are not objectionable in the lead extract . Copper ... metals may be thus removed , the lead salt extracted from the insoluble residue by ammoniacal ammonium acetate , from ...
Strona 64
... Metals Notices of Books New Patents Trade Marks GRAMMAR OF LOGIC . 69 70 71 75 76 76 2 2 2 2 2 2 77 78 79 UNIVERSITY OF ... Metal , Petroleum ) , Brewing and Bio - Chemistry of Fermentation . ARTS . - Subjects : Latin , Greek , English ...
... Metals Notices of Books New Patents Trade Marks GRAMMAR OF LOGIC . 69 70 71 75 76 76 2 2 2 2 2 2 77 78 79 UNIVERSITY OF ... Metal , Petroleum ) , Brewing and Bio - Chemistry of Fermentation . ARTS . - Subjects : Latin , Greek , English ...
Strona 65
... metal was not known to the ancients , it was known to them as a peculiar kind of copper , which we now call brass . Alchemists knew that copper became yellow when heated with certain ores now known to contain zinc . Some authors claim ...
... metal was not known to the ancients , it was known to them as a peculiar kind of copper , which we now call brass . Alchemists knew that copper became yellow when heated with certain ores now known to contain zinc . Some authors claim ...
Strona 71
... metal products indus- tries also showed increased activity and had an output valued at two million dollars in excess of that in 1923 . Imports to Cada for the non - ferrous metal trade declined from $ 43,432,617 in 1923 to $ 41,660,085 ...
... metal products indus- tries also showed increased activity and had an output valued at two million dollars in excess of that in 1923 . Imports to Cada for the non - ferrous metal trade declined from $ 43,432,617 in 1923 to $ 41,660,085 ...
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acid action addition amount appears application Association atoms becomes bismuth British carbon cent Chemical Chemistry coal complete compounds containing copper crystals determined direct effect electric electrode elements ENGINEERS experiments fact give given glass heat hydrogen important increase indicated industry Institute interest iron Laboratory lead less light lines liquid London manufacture Marks material matter means measured meeting Merton House metal method mineral Mines mixture nature Notes obtained Office oxide Patents physical plant possible Post Free precipitate prepared present production properties Published pure quantity reaction reference Research Royal Salisbury Square salts scientific shown Society sodium solution standard structure substance sulphur surface Table temperature theory tion tons Trade United various volume zinc