The Threshold of Science a Variety of Simple And Amusing Experiments Illustrat
The Threshold of Science a Variety of Simple And Amusing Experiments Illustrat
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Expt. 134. To make a Silver Tree or "Arbor Dianse. " Many other instances of this kind of chemical action are known, especially amongst metals. A solution of nitrate of silver into which a teaspoonful of mercury is dropped, will on standing form a " silver tree " or " arbor Diana3, " * consisting of crystals of silver * Diana and Luna were two alchemical names for silver, as was also Saturn for lead, Jupiter for tin, Mars for iron, and Venus for copper, and so on with the other planets FARADAY'...S RUBY GOLD. 133 formed by the action of the mercury which becomes dissolved as the silver is removed from solution. If, after all the silver has thus been precipitated, the liquid (now containing solution of nitrate of mercury) be allowed to stand with strips of clean copper immersed, the mercury will be again thrown out of solution, forming a white film on the surface of the red copper, from which, if thick enough, small drops of fluid mercury may be wiped off by pressure between the fingers; by and by all the mercury is thus reprecipitated, whilst copper dissolves during the action.
What to read after The Threshold of Science a Variety of Simple And Amusing Experiments Illustrat?
You can find similar books in the "Read Also" column, or choose other free books by C R Alder Charles Romley Alder Wright to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Expt. 134. To make a Silver Tree or "Arbor Dianse. " Many other instances of this kind of chemical action are known, especially amongst metals. A solution of nitrate of silver into which a teaspoonful of mercury is dropped, will on standing form a " silver tree " or " arbor Diana3, " * consisting of crystals of silver * Diana and Luna were two alchemical names for silver, as was also Saturn for lead, Jupiter for tin, Mars for iron, and Venus for copper, and so on with the other planets FARADAY'...S RUBY GOLD. 133 formed by the action of the mercury which becomes dissolved as the silver is removed from solution. If, after all the silver has thus been precipitated, the liquid (now containing solution of nitrate of mercury) be allowed to stand with strips of clean copper immersed, the mercury will be again thrown out of solution, forming a white film on the surface of the red copper, from which, if thick enough, small drops of fluid mercury may be wiped off by pressure between the fingers; by and by all the mercury is thus reprecipitated, whilst copper dissolves during the action.
What to read after The Threshold of Science a Variety of Simple And Amusing Experiments Illustrat?
You can find similar books in the "Read Also" column, or choose other free books by C R Alder Charles Romley Alder Wright to read onlineMoreLess
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