Chemical News and Journal of Industrial Science, Tom 34Chemical news office., 1876 |
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Strona 4
... metal which forms a sparingly soluble ortho - vanadate , and is not precipitated by ammo- nia in the presence of ammonium salts . Ortho - vanadates of copper and zinc are partially converted by long - conti- nued boiling with ammonium ...
... metal which forms a sparingly soluble ortho - vanadate , and is not precipitated by ammo- nia in the presence of ammonium salts . Ortho - vanadates of copper and zinc are partially converted by long - conti- nued boiling with ammonium ...
Strona 16
... metal , but it must also be admitted that the greater hard- ness of the stone would give a permanence to the edge ... metals with the reagents above mentioned . Some of these reactions were so striking that a qualitative separation ...
... metal , but it must also be admitted that the greater hard- ness of the stone would give a permanence to the edge ... metals with the reagents above mentioned . Some of these reactions were so striking that a qualitative separation ...
Strona 17
... metal . Furthermore , the presence of both hydrochloric acid and sulphuric acid does not seem to interfere with the com- plete separation of the hydroxide . I have quite recently noticed that if an excess of potas- sium cyanide is not ...
... metal . Furthermore , the presence of both hydrochloric acid and sulphuric acid does not seem to interfere with the com- plete separation of the hydroxide . I have quite recently noticed that if an excess of potas- sium cyanide is not ...
Strona 25
... metal becomes covered with a brilliant red film of amorphous phosphorus , which adheres very closely and prevents further action . The same action takes place in the cold , the film ap- pearing at first yellow . It forms very rapidly on ...
... metal becomes covered with a brilliant red film of amorphous phosphorus , which adheres very closely and prevents further action . The same action takes place in the cold , the film ap- pearing at first yellow . It forms very rapidly on ...
Strona 27
... metal in bronze and cadmiferous calamine , when all other blowpipe tests failed ; the lead in the bronze was overlooked by an experienced chemist . - American Chemist . University of Michigan . - We have received an ac- count of the ...
... metal in bronze and cadmiferous calamine , when all other blowpipe tests failed ; the lead in the bronze was overlooked by an experienced chemist . - American Chemist . University of Michigan . - We have received an ac- count of the ...
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