Chemical News and Journal of Physical Science, Tom 113Chemical news office., 1916 |
Z wnętrza książki
Wyniki 1 - 5 z 100
Strona 1
... added than is usual in qualitative analysis . With regard to the separation of the remaining metals of the groups , the chief difficulty is the solubility of nickel sulphide in yellow ammonium sulphide . This can be overcome , however ...
... added than is usual in qualitative analysis . With regard to the separation of the remaining metals of the groups , the chief difficulty is the solubility of nickel sulphide in yellow ammonium sulphide . This can be overcome , however ...
Strona 2
... added , then NaOH until the precipitate just dissolved . A pinch of Na2O2 was then added and the solution boiled . A white granular precipitate came down , which would not dissolve on continued boiling . 2. In a similar experiment , in ...
... added , then NaOH until the precipitate just dissolved . A pinch of Na2O2 was then added and the solution boiled . A white granular precipitate came down , which would not dissolve on continued boiling . 2. In a similar experiment , in ...
Strona 3
... added and the solution diluted to 40 cc . and boiled . Tle precipi- tate was filtered off and washed well . The filtrate gave a small precipitate of BaSO4 on adding H2SO4 . The precipitate of FePO4 and basic ferric acetate was dissolved ...
... added and the solution diluted to 40 cc . and boiled . Tle precipi- tate was filtered off and washed well . The filtrate gave a small precipitate of BaSO4 on adding H2SO4 . The precipitate of FePO4 and basic ferric acetate was dissolved ...
Strona 5
... added , but the products lose the properties of proteins . In the production of these compounds and in the deter- mination of the proportions in which proteins and halogen acids unite , a number of quite different processes have ...
... added , but the products lose the properties of proteins . In the production of these compounds and in the deter- mination of the proportions in which proteins and halogen acids unite , a number of quite different processes have ...
Strona 6
... added to the mixed protein and acid and the free acid determined . The differ- ence between this and the acid added is calculated as acid held . The results are of course below the truth somewhat . Jan. 7 , 1916 Some of these residual ...
... added to the mixed protein and acid and the free acid determined . The differ- ence between this and the acid added is calculated as acid held . The results are of course below the truth somewhat . Jan. 7 , 1916 Some of these residual ...
Inne wydania - Wyświetl wszystko
Kluczowe wyrazy i wyrażenia
acetic acetic acid action alcohol alkali alloy aluminium ammonia ammonium amount analysis apparatus atomic barium boiling brass cadmium calcium carbon carnotite cent Chem CHEMICAL NEWS Office Chemistry chemists chloride colour column compounds concentration containing copper corrosion crystals D.Sc determined dilute dioxide dissolved distilled dols evaporated excess experiments extraction Farringdon Street ferrous filtered filtrate furnace gases glass heated hydrochloric acid hydrofluoric acid hydrogen hydroxide industry Institution iron J. J. THOMSON Laboratory lead liquid London manganese manufacture metal method mgrms mixture molecule Newcastle Street nickel nitric acid nitrogen obtained oxide oxidising oxygen Ozone paper permanganate phosphate phosphoric acid potassium precipitate present Price Prof protein quantity radium reaction reagent reduced residue salts sample silicate silver sodium sodium carbonate soluble solution steel substance sulphate sulphide sulphuric acid Table temperature thorium tion titration tube uranium vanadium volume weight zinc ΙΟ
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...