Chemical News and Journal of Physical Science, Tom 103Chemical news office., 1911 |
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Strona 1
... dissolved . The contents were then shaken with water , the water layer acidified with nitric acid , and the halogen precipitated and weighed as the silver salt . The use of Volhard's volumetric method in estimating the halogens , as ...
... dissolved . The contents were then shaken with water , the water layer acidified with nitric acid , and the halogen precipitated and weighed as the silver salt . The use of Volhard's volumetric method in estimating the halogens , as ...
Strona 5
... dissolved in 25 to 30 cc . of carbon tetrachloride . The mixture is then allowed to stand in the dark for thirty minutes . The carbon tetra- chloride solution and the oil to be tested should be pre- viously dried by use of a few sticks ...
... dissolved in 25 to 30 cc . of carbon tetrachloride . The mixture is then allowed to stand in the dark for thirty minutes . The carbon tetra- chloride solution and the oil to be tested should be pre- viously dried by use of a few sticks ...
Strona 6
... dissolved in carbon tetrachloride , under specified conditions , a characteristic bromine absorption number can be obtained having an CHEMICAL NEWS , } Jan. 6 , 1911 TABLE III 6 Jan. 6 , 1911 Rapid Method for Identification of Gas Oils ...
... dissolved in carbon tetrachloride , under specified conditions , a characteristic bromine absorption number can be obtained having an CHEMICAL NEWS , } Jan. 6 , 1911 TABLE III 6 Jan. 6 , 1911 Rapid Method for Identification of Gas Oils ...
Strona 12
... dissolved substance and varies slightly with the concentration of the solution . The bands of its spectrum differ from those of the instantaneous phos- phorescence , and the relative intensity of different bands depends upon the ...
... dissolved substance and varies slightly with the concentration of the solution . The bands of its spectrum differ from those of the instantaneous phos- phorescence , and the relative intensity of different bands depends upon the ...
Strona 14
... dissolved in water and the solution evaporated . If after the radium emanation has been driven off , and the radium C has been destroyed ( which takes a few hours ) there is still some y - radiation , this is due to mesothorium . The ...
... dissolved in water and the solution evaporated . If after the radium emanation has been driven off , and the radium C has been destroyed ( which takes a few hours ) there is still some y - radiation , this is due to mesothorium . The ...
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