The Discovery of the Rare GasesE. Arnold & Company, 1928 - 128 من الصفحات |
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الصفحة 93
... cooled in liquid air boiling under reduced pressure , and to separate from it the most volatile and least volatile constituents . Although the operation was a new one , it appeared to present no difficulties . However , we were able to ...
... cooled in liquid air boiling under reduced pressure , and to separate from it the most volatile and least volatile constituents . Although the operation was a new one , it appeared to present no difficulties . However , we were able to ...
الصفحة 94
... cooled to the temperature of liquid air boiling under reduced pressure ( about 100 mm . ) , the most volatile fraction of the gas obtained the evening before was condensed in it , and after allowing a minute for the liquid and vapour to ...
... cooled to the temperature of liquid air boiling under reduced pressure ( about 100 mm . ) , the most volatile fraction of the gas obtained the evening before was condensed in it , and after allowing a minute for the liquid and vapour to ...
الصفحة 95
... cooled with liquid air , and Fractions F and G taken off after the liquid air had been removed . The sample tubes containing the Fractions of gas A to G were taken up to Ramsay's room , and placed in a rack prepared to hold them . This ...
... cooled with liquid air , and Fractions F and G taken off after the liquid air had been removed . The sample tubes containing the Fractions of gas A to G were taken up to Ramsay's room , and placed in a rack prepared to hold them . This ...
الصفحة 96
... cooled with liquid air , and subsequent frac- tional evaporation had reduced the density to 13.7 . It seemed quite clear that we had here the undiscovered gas of the Toronto address , of density 10 and atomic weight 20 , mixed with ...
... cooled with liquid air , and subsequent frac- tional evaporation had reduced the density to 13.7 . It seemed quite clear that we had here the undiscovered gas of the Toronto address , of density 10 and atomic weight 20 , mixed with ...
الصفحة 113
... cooled was about - 130 ° C. , the temperature attainable by means of solid carbon dioxide evaporating in vacuo . In 1883 , however , the Polish chemists , Wroblewski and Olszewski , success- fully applied the Cailletet - Pictet method ...
... cooled was about - 130 ° C. , the temperature attainable by means of solid carbon dioxide evaporating in vacuo . In 1883 , however , the Polish chemists , Wroblewski and Olszewski , success- fully applied the Cailletet - Pictet method ...
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The Discovery of the Rare Gases <span dir=ltr>Morris William 1872-1961 Travers</span> لا تتوفر معاينة - 2021 |
عبارات ومصطلحات مألوفة
absorbed absorption actually apparatus argon argon and helium arrangement atmospheric nitrogen atomic weight boiling bulb c.cs carbon Cavendish chemical nitrogen chemistry chemists chlorine coil Collie compound compressor condensed connected constant volume cooled copper oxide density of argon described determination Dewar diatomic discovery of argon elements energy evaporate experiment experimental fact filled fraction gas-holder glass tube Hampson heavier helium helium and argon investigation krypton laboratory lines liquefied liquid air liquid hydrogen litres Lord Rayleigh magnesium magnesium nitride means mercury method minerals mixture molecular weight molecule neon notebook obtained oxygen paper passed periodic table phosphorus platinum possible potassium Professor Ramsay Prout's hypothesis quantity of argon Ramsay's rare gases ratio removed residue Royal Society samples of gas separate showed sparking specific heats spectroscopic spectrum Sprengel pump stop-cock suggestion supposed tellurium temperature Töpler pump tube containing vacuum tube vacuum vessel vapour pressure volatile xenon