Chemical News and Journal of Physical Science, Tom 121Chemical news office., 1921 |
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Strona 8
... sodium hydroxide pre- pared from pure metallic sodium . The apparatus used consisted of a long U - shaped tube , in one arm of which was evolved oxygen and in the other hydrogen . The arms were long in order to prevent the mixing of the ...
... sodium hydroxide pre- pared from pure metallic sodium . The apparatus used consisted of a long U - shaped tube , in one arm of which was evolved oxygen and in the other hydrogen . The arms were long in order to prevent the mixing of the ...
Strona 13
... sodium chloride . The presence of chlorine in rain is said by Dr. N. Knight to be due to minute particles of NaCl carried by air currents from the Atlantic Ocean . The largest concentration of chlorine appeared on December 2 , when a ...
... sodium chloride . The presence of chlorine in rain is said by Dr. N. Knight to be due to minute particles of NaCl carried by air currents from the Atlantic Ocean . The largest concentration of chlorine appeared on December 2 , when a ...
Strona 14
... sodium silicate was poured into excess of hydrochloric acid no precipitate was formed , whereas , if the sodium silicate solution was strong , a gelatinous precipitate of silica was obtained . He found that by placing this clear ...
... sodium silicate was poured into excess of hydrochloric acid no precipitate was formed , whereas , if the sodium silicate solution was strong , a gelatinous precipitate of silica was obtained . He found that by placing this clear ...
Strona 22
... sodium bisulphate , and after removing this with a solution of sodium hydroxide , the remaining gas did not show the characteristic yellow line of the helium spectrum . Shortly after the paper was published the advan- tages of purifying ...
... sodium bisulphate , and after removing this with a solution of sodium hydroxide , the remaining gas did not show the characteristic yellow line of the helium spectrum . Shortly after the paper was published the advan- tages of purifying ...
Strona 30
... sodium atom should pass over completely to the fluorine atom . This leaves the sodium atom with a single positive charge while the florine becomes negatively charged . If the two charged atoms or ions were alone in space they would be ...
... sodium atom should pass over completely to the fluorine atom . This leaves the sodium atom with a single positive charge while the florine becomes negatively charged . If the two charged atoms or ions were alone in space they would be ...
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