Chemical News and Journal of Industrial Science, Tom 12Chemical news office., 1865 |
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Strona 4
... solution in a pulverulent state . Arsenic is of all metalloids most easily isolated by electricity , for it is almost as good a conductor as a metal . By means of an apparatus ( known as simple in electro- chemistry ) , all the ...
... solution in a pulverulent state . Arsenic is of all metalloids most easily isolated by electricity , for it is almost as good a conductor as a metal . By means of an apparatus ( known as simple in electro- chemistry ) , all the ...
Strona 9
... solution is made by mixing a dilute solution of chloride of copper with an equal bulk of pure muriatic acid , and shaking the mixture in a bottle with copper filings , or boiling it with copper turnings until it is colourless . The ...
... solution is made by mixing a dilute solution of chloride of copper with an equal bulk of pure muriatic acid , and shaking the mixture in a bottle with copper filings , or boiling it with copper turnings until it is colourless . The ...
Strona 10
... solution . The purification may be effected as usual in such cases . Another way of procuring the alka- loid is to treat the aqueous solution obtained as above first with a few drops of nitric acid , and then with phospho- molybdic acid ...
... solution . The purification may be effected as usual in such cases . Another way of procuring the alka- loid is to treat the aqueous solution obtained as above first with a few drops of nitric acid , and then with phospho- molybdic acid ...
Strona 13
... solution , and 200 septems of the standard solution of ammonia ; it is then made up with distilled water to a known bulk - say 2000 grains , agitated well , and filtered . A 1000 grains pipette of the filtrate will therefore represent ...
... solution , and 200 septems of the standard solution of ammonia ; it is then made up with distilled water to a known bulk - say 2000 grains , agitated well , and filtered . A 1000 grains pipette of the filtrate will therefore represent ...
Strona 18
... solution of potash , and observe the loss of volume - that is , due to carbonic acid ; then put into the potash solution , which is still in contact with the gas , a little pyrogallic acid , and again agitate . If oxygen be present ...
... solution of potash , and observe the loss of volume - that is , due to carbonic acid ; then put into the potash solution , which is still in contact with the gas , a little pyrogallic acid , and again agitate . If oxygen be present ...
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