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" ... basis of potash. I found that the platina was in no way connected with the result, except as the medium for exhibiting the electrical powers of decomposition ; and a substance of the same kind was produced when pieces of copper, silver, gold, plumbago,... "
Philosophical Transactions of the Royal Society of London - 5. oldal
szerző: Royal Society (Great Britain) - 1808
Teljes nézet - Információ erről a könyvről

Repertory of Arts, Manufactures, and Agriculture: Consisting of Original ...

1808 - 476 oldal
...produced when pieces of copper, silver, gold, plumbago, or even charcoal, were emplpyed for completing the circuit. •» The phenomenon was independent...presence of air : I found that it took place when the alk;. ii was j» the vacuum of tm exhausted receiver. The substance was likewise produced from potash...

A Journal of Natural Philosophy, Chemistry and the Arts, 19-20. kötet

William Nicholson - 1808 - 846 oldal
...comwletinir the circuit. Produced in The phenomenon was independent of the presence of air ; '**cuo' I found that it took place when the alkali was in the vacuum «f an exhausted receiver. In a flan tube The substance was likewise produced from potash fused, by...

Conversations on Chemistry: In which the Elements of that Science are ...

Mrs. Marcet (Jane Haldimand), Sir Humphry Davy - 1809 - 434 oldal
...produced, wIien pieces of copper, silver, gold, plumbago, and even charcoal were employed for completing the circuit. The phenomenon was independent of the...took place when the alkali was in the vacuum of an exhauSed receiver. The substance was likewise produced tram potash fused by means of a lamp, in glass...

The Annual review and history of literature, A. Aiken ed, 7. kötet

Arthur Aikin - 1809 - 832 oldal
...produced when pieces of copper, silver, goli, plumbago, or even charcoal, were employed tor complecting the circuit. " The phenomenon was independent of the presence of air ; I found thaiii took place when the alkali was in the vacuum of an exhausted receiver." When the decomposition...

The Annual Register, Or, A View of the History, Politics, and Literature for ...

1810 - 928 oldal
...were employed for com. pleting the circuit. The phenomenon was independent of the presence of air ; f found that it took place when the alkali was in the vacuum of an ex. hausted receiver. The substance was likewise pro« duced from potash fused by means of a lamp,...

The Annual Register of World Events: A Review of the Year, 50. kötet

Edmund Burke - 1810 - 960 oldal
...produced when pieces of copper, silver, gold, plumbago, or even charcoaj were employed for completing the circuit. The phenomenon was independent of the presence of air; I found'that it took place when the alkali was in the vacuum of an exhaustcd receiver. The substance...

Conversations on Chemistry...: To which are Added, Some Late Discoveries On ...

Mrs. Marcet (Jane Haldimand) - 1814 - 432 oldal
...produced, when pieces of copper, silver,, goKI, plumbago, uud even charcoal were employed /or completing the circuit. The phenomenon was independent of the...produced from potash fused by means of a lamp, in glass tube* confined by mercury, and furnished with hermetically inserted platina wires, by which the electrical...

Elements of Chemistry: In the Order of the Lectures Given in Yale ..., 1. kötet

Benjamin Silliman - 1830 - 546 oldal
...no agency in producing the globules, for, they were evolved when the alkali was placed in a vacuum.* The substance was likewise produced from potash, fused by means of a lamp, in glass tubes, confined over mercury, and furnished with hermetically inserted platinum wires, by which the electrical action...

Science Lectures for the People

1877 - 188 oldal
...except as the medium for exhibiting the electrical powers of decomposition. The phenomenon was also independent of the presence of air. I found that it...alkali was in the vacuum of an exhausted receiver." 1 hope to show you this experiment, performed just as Davy did it. I take a piece of white alkali,...

Electricity One Hundred Years Ago & To-day ...

Edwin James Houston - 1894 - 240 oldal
...substance of tho Davy showed that potassa consists of a hitherto undissame kind was produced when a piece of copper, silver, gold, plumbago, or even charcoal...I found that it took place when the alkali was in a vacuum of an exhausted receiver." "The substance was likewise produced from potash fused by means...




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