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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action added alcohol ammonia amount analysis apparatus appears applied beam becomes bismuth body carbon cent CHEMICAL Chemistry chloride College colour communication complete compound consists containing continued copper course described determination dilute direction dissolved effect employed examination excess experiments fact filter further given gives glass grms heat hydrochloric acid hydrogen Improvements inches increase iron known lead less light lime liquid London manner manufacture material matter means meeting mercury metal method mineral mixed mixture nature notice observed obtained ordinary oxide oxygen passed phosphate potassium powder practical precipitate prepared present produced Prof pure quantity radiometer reaction reduced remarks salt separated Society soda sodium soluble solution substance sulphate sulphuric acid surface taken temperature tion tube weight yellow