Chemical News and Journal of Physical Science, Tom 83Chemical news office., 1901 |
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Strona 124
... iron where the volume of the HCl solution does not exceed 15 c.c. Grm . of iron in solution . Table II . Volume aqueous hydrochloric solution . C.c. Residual iron in aqueous solution after shaking with ether . Grm . 0'00155 0'08 18 0.3 ...
... iron where the volume of the HCl solution does not exceed 15 c.c. Grm . of iron in solution . Table II . Volume aqueous hydrochloric solution . C.c. Residual iron in aqueous solution after shaking with ether . Grm . 0'00155 0'08 18 0.3 ...
Strona 151
... iron , as the writer has re- peatedly found by actual test . This iron is thrown out with the alumina ( and silica , if present ) , by the usual methods of neutralising the alkaline solution , and can be brought to light when the ...
... iron , as the writer has re- peatedly found by actual test . This iron is thrown out with the alumina ( and silica , if present ) , by the usual methods of neutralising the alkaline solution , and can be brought to light when the ...
Strona 218
... iron but of the greater part of the sulphur as well , were entirely un- expected . Pure pyrite itself is attacked with extreme slowness by boiling dilute sulphuric and hydrofluoric acids , either alone or mixed , but the moment a ferric ...
... iron but of the greater part of the sulphur as well , were entirely un- expected . Pure pyrite itself is attacked with extreme slowness by boiling dilute sulphuric and hydrofluoric acids , either alone or mixed , but the moment a ferric ...
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