Chemical News and Journal of Physical Science, Tom 100Chemical news office., 1909 |
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Strona 1
... sulphuric acid and 2 cc . of alcohol ; there should be no turbidity ) . The remainder in the beaker - glass is dissolved in about 80 to 100 cc . of ammonia of 24 per cent and filtered on the same filter , and washed out five or six ...
... sulphuric acid and 2 cc . of alcohol ; there should be no turbidity ) . The remainder in the beaker - glass is dissolved in about 80 to 100 cc . of ammonia of 24 per cent and filtered on the same filter , and washed out five or six ...
Strona 4
... sulphuric acid in a desiccator . The succinic acid used in experiments 6 , 7 , and 8 of Table I. had been dried for more than a year in a desic- cator containing sulphuric acid , while that used in experi- ments 9 and 10 of the same ...
... sulphuric acid in a desiccator . The succinic acid used in experiments 6 , 7 , and 8 of Table I. had been dried for more than a year in a desic- cator containing sulphuric acid , while that used in experi- ments 9 and 10 of the same ...
Strona 5
... sulphuric acid destroys it ; so does concentrated nitric acid , but it withstands dilute sulphuric acid , hydrochloric acid , and chlorine . It can stand tem- perature of 300 ° C. and over . At the temperature of melting glass it chars ...
... sulphuric acid destroys it ; so does concentrated nitric acid , but it withstands dilute sulphuric acid , hydrochloric acid , and chlorine . It can stand tem- perature of 300 ° C. and over . At the temperature of melting glass it chars ...
Strona 15
... sulphuric | acid , and the gas evolved driven over into weighed potash bulbs , and the corresponding amount of ferrous sulphide calculated . The estimation of the ferrous sulphide was further confirmed by determining the amount of iron ...
... sulphuric | acid , and the gas evolved driven over into weighed potash bulbs , and the corresponding amount of ferrous sulphide calculated . The estimation of the ferrous sulphide was further confirmed by determining the amount of iron ...
Strona 16
... sulphuric acid , and ignited to a white ash , beginning with a low flame and increasing the heat until the organic matter was burned off , and the ammonium sulphate and excess of sulphuric acid completely removed . In subsequent ...
... sulphuric acid , and ignited to a white ash , beginning with a low flame and increasing the heat until the organic matter was burned off , and the ammonium sulphate and excess of sulphuric acid completely removed . In subsequent ...
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