 | Louis Jacques baron Thénard, John George Children - 1819 - 540 páginas
...effected, and the metal collects itself into one single globule. When 2u2 this oxide contains iron, the glass retains its own colour while hot, but assumes...it cools. Oxide of Tin, in form of hydrate, and in 'As highest* degree of purity, becomes yellow when heated, then Ted, and when approaching to ignition... | |
 | William Thomas Brande - 1821 - 582 páginas
...effected, and the metal collects itself into one single globule. When this oxide contains iron, the glass retains its own colour while hot, but assumes that of the iron as it cools. Oxide of Tin (790), in form of hydrate, and in its highest degree of purity, becomes yellow when heated, then red,... | |
 | Andrew Ure - 1821 - 436 páginas
...effected, and the metal collects itself into one single globule. When this oxide contains iron, the glass retains its own colour while hot, but assumes that of the iron as it cools. Oxidé of Tin, in form of hydratCi and in its highest degree of purity, becomes yellow when heated,... | |
 | Andrew Ure - 1821 - 436 páginas
...effected, and the metal collects itself into one single globule. When this oxide contains iron, the glass retains its own colour while hot, but assumes that of the iron as it copie. Oxide of Tin, in form of hydratf , and in its highest degree of purity, becomes yellow when... | |
 | William Thomas Brande - 1821 - 666 páginas
...glass retains its own colour while hot, but assumes that of the iron as it cools. Oxide of Tin (790), in form of hydrate, and in its highest degree of purity, becomes yellow when healed, then red, and when approaching to ignition black. If iron or lead be mixed with it, the colour... | |
 | Andrew Ure - 1827 - 904 páginas
...efFected, and the metal collects itself into one single globule. When this oxide contains iron, the glass retains its own colour while hot, but assumes that of the iron as It cools. Oxide of Tlss In form of hydrate, and In its highest degree of purity, becomes yellow when heated, then red,... | |
 | John Joseph Griffin - 1827 - 368 páginas
...effected, and the metal is collected into a single globule. When the oxide of nickel contains iron, the glass retains its own colour while hot, but assumes that of the iron as it cools ; if cobalt is present, the colour of that metal prevails ; if arsenic, it melts into a bead. Nickel... | |
 | John Joseph Griffin - 1827 - 386 páginas
...very small quantity of tin dissolved in any flux, may be distinctly precipitated upon iron. preaching to ignition, black. If iron or lead be mixed with it, the colour is dark brown when heated. These colours become yellowish as the substance cools. On charcoal, in the... | |
 | Andrew Ure - 1828 - 872 páginas
...effected, and the metal collect* itself into one single globule. When this oxide contains iron, the glass retains its own colour while hot, but assumes...black. If iron or lead be mixed with it, the colour is dark. brown when heated. These colours become yellowish as the substance cools. Upon charcoal in the... | |
 | William Thomas Brande - 1830 - 784 páginas
...effected, and the metal collects itself into one single globule. When this oxide contains iron, the glass retains its own colour while hot, but assumes...black. If iron or lead be mixed with it, the colour is dark brown when heated. These colours become yellowish as the substance cools. Upon charcoal in the... | |
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... by the minute metallic particles before they combine and form small globules. When a little soda is added to the glass formed with borax, the reduction is more easily effected, and the metal collects itself into one single globule. When this oxide... 