Chemical News and Journal of Physical Science, Tom 105Chemical news office., 1912 |
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Strona 1
... hydrogen in a glass or copper vessel . The boron is thrown off in fine powder on to the walls of the vessel or agglomerates on the ends of the electrodes , where it grows in form of small rods . After a while the arc runs between two ...
... hydrogen in a glass or copper vessel . The boron is thrown off in fine powder on to the walls of the vessel or agglomerates on the ends of the electrodes , where it grows in form of small rods . After a while the arc runs between two ...
Strona 2
... hydrogen were found by Dr. Weintraub to be quite pure , analysing from 99.8 to 100.2 per cent . The difference being due to errors of experi- ment , and perhaps to a trace of silica abraded from the agate mortar during pulverisation ...
... hydrogen were found by Dr. Weintraub to be quite pure , analysing from 99.8 to 100.2 per cent . The difference being due to errors of experi- ment , and perhaps to a trace of silica abraded from the agate mortar during pulverisation ...
Strona 9
... hydrogen phthalate separates from light petroleum as a decyl - carbinols and the corresponding Ketones . " By ROBERT HOWSON PICKARD and JOSEPH KENYON . The cyclopropane derivatives were tanacetone and its When o -. CHEMICAL NEWS , Jan. 5 ...
... hydrogen phthalate separates from light petroleum as a decyl - carbinols and the corresponding Ketones . " By ROBERT HOWSON PICKARD and JOSEPH KENYON . The cyclopropane derivatives were tanacetone and its When o -. CHEMICAL NEWS , Jan. 5 ...
Strona 14
... hydrogen through a cock , F. A cock , Сr , serves to regulate the quantity of mercury for the desired tempera- ture , and enables the bulb E to be thoroughly washed out with hydrogen gas . Overheating of the thermostat expands the gas ...
... hydrogen through a cock , F. A cock , Сr , serves to regulate the quantity of mercury for the desired tempera- ture , and enables the bulb E to be thoroughly washed out with hydrogen gas . Overheating of the thermostat expands the gas ...
Strona 14
... Hydrogen forms no compound with mercury , and was tried in the first instance . It proved completely successful . Last winter the regulator was kept working day and night for six months , maintaining a temperature of about 18 ° C. No ...
... Hydrogen forms no compound with mercury , and was tried in the first instance . It proved completely successful . Last winter the regulator was kept working day and night for six months , maintaining a temperature of about 18 ° C. No ...
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