Chemical News and Journal of Industrial Science, Tomy 121-122Chemical news office., 1920 |
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Strona 4
... 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 14
... sodium silicate was poured into excess of 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 solution in a small dish ...
... sodium silicate was poured into excess of 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 solution in a small dish ...
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 ...
Strona 31
... sodium and fluorine . Therefore , the crystalline form of magnesium oxide and sodium fluoride should be identical , and this prediction of the theory has been confirmed experimentally by Dr. A. W. Hull by the X - ray method . Because of ...
... sodium and fluorine . Therefore , the crystalline form of magnesium oxide and sodium fluoride should be identical , and this prediction of the theory has been confirmed experimentally by Dr. A. W. Hull by the X - ray method . Because of ...
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