 | Alfred Smee - 1841 - 306 páginas
...brushing it over with a little strong nitric acid, so that a frosted appearance is obtained. The silver is then washed, and placed in a vessel with dilute...to which a few drops of nitro-muriate of platinum are added. A porous tube is then placed in this vessel, with a few drops of diluted sulphuric acid;... | |
 | Alfred Smee - 1843 - 378 páginas
...brushing it over with a little strong nitric acid, so that a frosted appearance is obtained. The silver is then washed, and placed in a vessel with dilute...acid, to which a few drops of nitromuriate of platinum are added. A porous tube is then placed in this vessel, with a few drops of diluted sulphuric acid;... | |
 | Henry Minchin Noad - 1844 - 512 páginas
...in particular is apt to get precipitated, in which case the platinized silver should be immersed in dilute sulphuric acid, to which a few drops of nitro-muriate of platinum should be previously added, by this process the baser metals are dissolved, and metallic platinum thrown... | |
 | Henry Minchin Noad - 1855 - 574 páginas
...in particular is apt to get precipitated, in which case the platinized silver should be immersed in dilute sulphuric acid, to which a few drops of nitro-muriate of platinum should be previously added, by this process the baser metals are dissolved, and metallic platinum thrown... | |
 | James Napier - 1860 - 188 páginas
...silver to be prepared for this should be of a thickness sufficient to carry the current of electricity, and should be roughened by brushing it over with a...porous tube is then placed into this vessel with a few drops of dilute sulphuric acid ; into this tube a piece of zinc is put, contact being made between... | |
 | Oliver Byrne - 1864 - 682 páginas
...silver to be prepared for this should be of a thickness sufficient to carry the current of electricity, and should be roughened by brushing it over with a...porous tube is then placed into this vessel with a few drops of dilute sulphuric acid ; into this tube a piece of zinc is put, contact being made between... | |
 | Oliver Byrne - 1874 - 718 páginas
...silver to be prepared for this should be of a thickness sufficient to carry the current of electricity, and should be roughened by brushing it over with a...porous tube is then placed into this vessel with a few drops of dilute sulphuric acid ; into this tube a piece of zinc is put, contact being made between... | |
 | James Napier - 1876 - 276 páginas
...obtained. It is then washed and placed in a vessel with dilute sulphuric acid, to which a fewdrops of nitro-muriate of platinum has been added. A porous tube is then placed into this vessel with a few drops of dilute sulphuric acid ; into this tube a piece of zinc is put, contact being made between... | |
 | James Napier - 1876 - 280 páginas
...then washed and placed in a vessel with dilute sulphuric acid, to which a few drops of nitro -muriate of platinum has been added. A porous tube is then placed into this vessel with a few drops of dilute sulphuric acid ; into this tube a piece of zinc is put, contact being made between... | |
 | Oliver Byrne - 1878 - 720 páginas
...silver to be prepared for this should be of a thickness sufficient to carry the current of electricity, and should be roughened by brushing it over with a...porous tube is then placed into this vessel with a few drops of dilute sulphuric acid ; into this tube a piece of zinc is put, contact being made between... | |
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The silver to be prepared for this should be of a thickness sufficient to carry the current of electricity, and should be roughened by brushing it over with a little strong nitric acid, so that a frosted appearance is obtained. It is then washed and placed... 