Chemical News and Journal of Physical Science, Tom 103Chemical news office., 1911 |
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Strona 1
... possible source of error in the method . ( NOTE . The writer boiled monochlor- and monobrom- benzol in a concentrated solution of sodium ethylate for three hours , but failed to get any test for halogens upon acidifying and adding ...
... possible source of error in the method . ( NOTE . The writer boiled monochlor- and monobrom- benzol in a concentrated solution of sodium ethylate for three hours , but failed to get any test for halogens upon acidifying and adding ...
Strona 2
... possible , the calorimeter is surrounded by a water jacket , a double lid placed over the top , and a felt covering one inch thick fitted over all . The stirrer is of the propeller type , the shaft , to which is attached the pulley ...
... possible , the calorimeter is surrounded by a water jacket , a double lid placed over the top , and a felt covering one inch thick fitted over all . The stirrer is of the propeller type , the shaft , to which is attached the pulley ...
Strona 3
... possible to obtain a motor , because experience has shown that it is impossible to stir continuously for twenty minutes and maintain a constant speed . The relation of the friction to the correction for radiation may be shown as follows ...
... possible to obtain a motor , because experience has shown that it is impossible to stir continuously for twenty minutes and maintain a constant speed . The relation of the friction to the correction for radiation may be shown as follows ...
Strona 6
... possible error due to its presence is very slight . To test the value of the method in identifying a single type of oil , the following samples were brominated : Grand Rapids and St. Louis gas oils are included in Table III . only ...
... possible error due to its presence is very slight . To test the value of the method in identifying a single type of oil , the following samples were brominated : Grand Rapids and St. Louis gas oils are included in Table III . only ...
Strona 8
... possible to do so without striking an arc . It will be noticed in the table of results that practice in doing this increased the yield obtained . When the electrolysis is going on properly , and the stick of metal is at the right depth ...
... possible to do so without striking an arc . It will be noticed in the table of results that practice in doing this increased the yield obtained . When the electrolysis is going on properly , and the stick of metal is at the right depth ...
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