Chemical News and Journal of Physical Science, Tom 114Chemical news office., 1916 |
Z wnętrza książki
Wyniki 1 - 5 z 100
Strona 10
... taken as read on account of the lateness of the hour . When salt diffuses through water , in general there must be a movement of the water due to volume - changes associated with variations in concentration . In the papers to which the ...
... taken as read on account of the lateness of the hour . When salt diffuses through water , in general there must be a movement of the water due to volume - changes associated with variations in concentration . In the papers to which the ...
Strona 15
... taken as correct . Preliminary experiments soon revealed the fact that even with very small concentrations of free sulphuric acid the precipitation of thorium by the " cupferron " reagent is incomplete . The author therefore resorted to ...
... taken as correct . Preliminary experiments soon revealed the fact that even with very small concentrations of free sulphuric acid the precipitation of thorium by the " cupferron " reagent is incomplete . The author therefore resorted to ...
Strona 15
... taken . taken . found . Grm . Grm . Grm . 3. 00924 0'1018 0.0922 Volume of Error . C2H3O2NH4 . solution . Grm . Grms . Cc . -0'0002 25 400 25 500 4. 00924 0'1018 0'0916 -0'0008 5. 01846 01018 0.1840 -0'0006 25 400 A separation of ...
... taken . taken . found . Grm . Grm . Grm . 3. 00924 0'1018 0.0922 Volume of Error . C2H3O2NH4 . solution . Grm . Grms . Cc . -0'0002 25 400 25 500 4. 00924 0'1018 0'0916 -0'0008 5. 01846 01018 0.1840 -0'0006 25 400 A separation of ...
Strona 16
... taken to avoid heating the boat to a temperature at which platinum might vaporise into the contents ( see Baxter and Chapin , Journ . Am . Chem . Soc . , 1911 , xxxiii . , 16 ) . The resulting oxide was dissolved in redistilled nitric ...
... taken to avoid heating the boat to a temperature at which platinum might vaporise into the contents ( see Baxter and Chapin , Journ . Am . Chem . Soc . , 1911 , xxxiii . , 16 ) . The resulting oxide was dissolved in redistilled nitric ...
Strona 21
... taken up with hot water and 5 cc . concentrated hydrochloric acid , and the filtered solution , after cooling and diluting to about 700 cc . , was precipitated cold with a 5 per cent solution of barium chloride through a capillary tube ...
... taken up with hot water and 5 cc . concentrated hydrochloric acid , and the filtered solution , after cooling and diluting to about 700 cc . , was precipitated cold with a 5 per cent solution of barium chloride through a capillary tube ...
Inne wydania - Wyświetl wszystko
Kluczowe wyrazy i wyrażenia
acetate acetone added aluminium aluminium chloride ammonia ammonium amount analysis antimony apparatus applied B.Sc benzene boiling boron British bromine carbon carotin cent Chem CHEMICAL NEWS Office chemist Chemistry chloric acid College colour commercial compounds concentrated containing copper course crucible D.Sc determined dilute dissolved distillation dyeing Engineering ether ethyl alcohol evaporated experiments extract Farringdon Street ferric chloride filter filtrate flask glass heated hydrochloric acid hydrogen hydrolysis industry insoluble investigation iodide iron Laboratory Lectures London manufacture material metal method mixture monazite Newcastle Street nitrate nitric acid nitrogen obtained organisation oxide paper phosphate physical plant platinum potassium practical precipitate prepared present Price production Prof pure quantity radium reaction reagent residue salt samples scientific silica Society sodium soluble solution starch Students substances sulphate sulphide sulphuric acid Table Technical temperature thorium tion toluene trade Trinitrotoluene tube volume washed weight