Chemical News and Journal of Physical Science, Tom 113Chemical news office., 1916 |
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Strona 1
... chloride , and the filtrate is treated with ammonium sul- phide , which precipitates the remainder of the metals of the group as sulphides . In the second method the metals are precipitated together as hydroxides and sulphides by the ...
... chloride , and the filtrate is treated with ammonium sul- phide , which precipitates the remainder of the metals of the group as sulphides . In the second method the metals are precipitated together as hydroxides and sulphides by the ...
Strona 2
... chlorides , 2 cc . of 2 / N ( NH4 ) 2HPO4 were added , then NaOH until the precipitate just dissolved . A pinch of ... chloride and 48 mgrms . of Mg as sulphate in 30 cc . about 2 grms . of solid NH4Cl were added , and then NH4OH in ...
... chlorides , 2 cc . of 2 / N ( NH4 ) 2HPO4 were added , then NaOH until the precipitate just dissolved . A pinch of ... chloride and 48 mgrms . of Mg as sulphate in 30 cc . about 2 grms . of solid NH4Cl were added , and then NH4OH in ...
Strona 3
... chlorides . A portion of this was boiled with BaCl2 solution for a few minutes , then filtered and washed with hot water until free from chlorides . The filtrate gave a heavy precipitate of BaSO4 on adding H2SO4 . The precipitate of ...
... chlorides . A portion of this was boiled with BaCl2 solution for a few minutes , then filtered and washed with hot water until free from chlorides . The filtrate gave a heavy precipitate of BaSO4 on adding H2SO4 . The precipitate of ...
Strona 12
... chloride . the index 6. The authors have , however , obtained derivatives of bivalent platinum belonging to the type ... chlorides corre- sponding to the same formula of co - ordination [ Pt2CH3CN.4NH3 ] Cl2 . They are perfectly ...
... chloride . the index 6. The authors have , however , obtained derivatives of bivalent platinum belonging to the type ... chlorides corre- sponding to the same formula of co - ordination [ Pt2CH3CN.4NH3 ] Cl2 . They are perfectly ...
Strona 18
... chlorides the addition of a man- ganese salt and boric acid allows ferrous iron to be titrated accurately with permanganate . Inasmuch as hydrofluoric acid solutions of ferrous iron are readily oxidised by the air it was decided to ...
... chlorides the addition of a man- ganese salt and boric acid allows ferrous iron to be titrated accurately with permanganate . Inasmuch as hydrofluoric acid solutions of ferrous iron are readily oxidised by the air it was decided to ...
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Popularne fragmenty
Strona 115 - Earth, in the development of Life upon its surface, in the development of Society, of Government, of Manufactures, of Commerce, of Language, Literature, Science, Art, this same evolution of the simple into the complex, through successive differentiations, holds throughout. From the earliest traceable cosmical changes down to the latest results of civilization, we shall find that the transformation of the homogeneous into the heterogeneous, is that in which Progress essentially consists.
Strona 179 - German population has reached a point of general training and specialised equipment which it will take us two generations of hard and intelligently directed educational work to attain. It is that Germany possesses a national weapon of precision which must give her an enormous initial advantage in any and every contest depending upon disciplined and methodised intellect.
Strona 226 - Looking back to the times of the " father of chemistry and the brother of the Earl of Cork...
Strona 48 - Provided, that the addition of pure boiled or condensed grape must or pure crystallized cane or beet sugar or pure...
Strona 250 - I let up some solution of liver of sulphur to absorb the dephlogisticated air, after which only a small bubble of air remained unabsorbed, which certainly was not more than -j-^ of the bulk of the phlogisticated air let up into the tube ; so that if there is any part of the phlogisticated air of our atmosphere which differs from the rest and cannot be reduced to nitrous acid, we may safely conclude that it is not more than T^ part of the whole.
Strona 122 - Neither can much improvement arise from such speculations as the following, which are the themes suggested by the Vedant:. — In what manner is the soul absorbed into the deity? What relation does it bear to the divine essence? Nor will youths be fitted...
Strona 48 - Treasury, may from time to time prescribe; but in no case shall such wines to which water has been added be eligible for fortification under the provisions of this Act where the same, after fermentation and before fortification, have an alcoholic strength of less than five per centum of their volume.
Strona 48 - Sparkling wine is wine in which the after part of the fermentation is completed in the bottle, the sediment being disgorged and its place supplied by wine or sugar liquor, and which contains, in one hundred (100) cubic centimeters (20° C.), not less than twelve hundredths (0.12) gram of grape ash.
Strona 115 - Whether it be in the development of the Earth, in the development of Life upon its surface, in the development of Society, of Government, of Manufactures, of...
Strona 48 - ... and such sweet wine shall contain not less than four per centum of saccharine matter, which saccharine strength may be determined by testing with Balling's...