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Antimony Trioxide: Roasted Antimony Fused with More Metal (Thorpe 1912)
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Charlie

28. Oktoba 2026DE
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Antimony Trioxide: Roasted Antimony Fused with More Metal (Thorpe 1912)

Antimony trioxide is a white, fusible powder that turns to vapour at red heat. Powdered antimony heated in a shallow dish becomes antimony tetroxide. Fused with more metal, the tetroxide gives the trioxide, and the spare metal sinks. Source: Thorpe, Dictionary of Applied Chemistry vol. 1 (1912), Antimony. Not given: amounts, heats or times. The furnace and crucible are ours. Work under a hood with a respirator, because the oxide fumes at red heat. Picture drawn by Youblob.
Kati
1 day

Maagizo

1

Powder the antimony and roast it

Powder antimony and heat it in a shallow dish until it has turned into antimony tetroxide. Keep back some unroasted metal. Not given: heat and time. Work under a hood.

Vifaa kwa hatua hii:

AntimoniAntimoni1 as required

Zana zinazohitajika:

Kinu na mchiKinu na mchi
Sahani isiyo na kinaSahani isiyo na kina
Tanuri ya muffleTanuri ya muffle
Kabati la kutoa mvuke (lenye bomba)Kabati la kutoa mvuke (lenye bomba)
Kinga ya Kupumua ya P100Kinga ya Kupumua ya P100
Glavu Zinazostahimili JotoGlavu Zinazostahimili Joto
2

Fuse with unchanged metal

Fuse the tetroxide with unchanged antimony in a crucible. They react to antimony trioxide, and the spare metal sinks to the bottom. Ours: a lidded crucible, kept below red heat as far as you can, since the trioxide is volatile at red heat. Heated longer in air it goes back to the tetroxide.

Vifaa kwa hatua hii:

AntimoniAntimoni1 as required

Zana zinazohitajika:

Kaure ya Udongo Mgumu wa MotoKaure ya Udongo Mgumu wa Moto
Tanuri ya muffleTanuri ya muffle
Koleo la kaure ya kuyeyushiaKoleo la kaure ya kuyeyushia
Kabati la kutoa mvuke (lenye bomba)Kabati la kutoa mvuke (lenye bomba)
Kinga ya Kupumua ya P100Kinga ya Kupumua ya P100
Glavu Zinazostahimili JotoGlavu Zinazostahimili Joto
3

Break out and store the oxide

Ours: let it cool, break the white oxide away from the metal button, powder it and keep it in a closed, labelled jar.

Zana zinazohitajika:

Kinu na mchiKinu na mchi
Kinga ya Kupumua ya P100Kinga ya Kupumua ya P100
Vyungu vya Kioo Cheusi vyenye Mifuniko Isiyopitisha HewaVyungu vya Kioo Cheusi vyenye Mifuniko Isiyopitisha Hewa

Vifaa

1
  • 12
    Antimoni
    1 as required
    Kishikilia Nafasi

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9

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