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Nickel: Oxide Cubes Reduced with Carbon in a Muffle Furnace
Charlie

Yenziwe ngu-

Charlie

21. uMfumfu 2026DE
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Nickel: Oxide Cubes Reduced with Carbon in a Muffle Furnace

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 a muffle furnace 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.
Ophakathi
2 days

Imiyalelo

1

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.

Izinto zokwakha zalesi sinyathelo:

I-Nickel MonoxideI-Nickel Monoxide1 as required

Amathuluzi adingekayo:

Ushukela omhlopheUshukela omhlophe
AmanziAmanzi
Ibhikha LengilaziIbhikha Lengilazi
Ipuleti ElishisayoIpuleti Elishisayo
IsigovuziIsigovuzi
Amagilavu erabhaAmagilavu erabha
2

Mould into cubes and dry

Mould the paste into cubes and dry them. Ours: shaped by hand, dried in a drying oven.

Amathuluzi adingekayo:

Ihhavini yokomisaIhhavini yokomisa
Amagilavu erabhaAmagilavu erabha
3

Heat with carbon in a muffle, about 24 hours

Heat the cubes with carbon in a muffle furnace for about 24 hours. Thorpe gives no temperature; it stays below the melting point of nickel.

Amathuluzi adingekayo:

I-carbonI-carbon
Isithando se-muffleIsithando se-muffle
Udlawu Lwesitsha SokuncibilikisaUdlawu Lwesitsha Sokuncibilikisa
Amagilavu Amelana NokushisaAmagilavu Amelana Nokushisa

Izinto

1

Amathuluzi Adingekayo

11

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Nickel Monoxide: Nickel Hydroxide Precipitated with Alkali and Strongly Heated
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Nickel Monoxide: Nickel Hydroxide Precipitated with Alkali and Strongly Heated

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Inorganic

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