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Nickel: Oxide Cubes Reduced with Carbon in Crucibles
Nickel can be won from its oxide with carbon, as in Thorpe's Dictionary (1912): the oxide is bound with sugar syrup, moulded into cubes, dried and heated with carbon in crucibles for about 24 hours. The heat is not enough to melt the nickel. Nickel made this way is somewhat brittle; a broken piece shows a dull-grey, crystalline face.
The picture: our diagram.
Katamtaman
2 days
Mga Tagubilin
1
1
Bind the oxide with sugar syrup
Bind the oxide with sugar syrup
Mix nickel oxide with sugar syrup. Thorpe gives no amounts. Ours: syrup from white sugar dissolved in warm water.
Mga materyales para sa hakbang na ito:
Nickel Monoxide1 as requiredMga kailangang kasangkapan:
Puting asukal
Tubig
Basong Salamin na Pang-agham
Pang-init na Plato
Panghalo
Gwantes na goma2
2
Mould into cubes and dry
Mould into cubes and dry
Mould the paste into cubes and dry them. Ours: shaped by hand, dried in a drying oven.
Mga kailangang kasangkapan:
Hurnong pantuyoGwantes na goma3
3
Heat with carbon in crucibles, about 24 hours
Heat with carbon in crucibles, about 24 hours
Pack the cubes with carbon in crucibles and heat for about 24 hours. Thorpe gives no temperature; it stays below the melting point of nickel. Ours: a charcoal furnace.
Mga kailangang kasangkapan:
Karbon
Krisol
Pugon na Uling
Sipit ng Krisol
Guwantes na Matibay sa InitMga Materyales
1- 1 as requiredPlaceholder
Mga Kinakailangang Kasangkapan
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