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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.
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1
Powder the antimony and roast it
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.
Mga materyales para sa hakbang na ito:
Antimonyo1 as requiredMga kailangang kasangkapan:
Almires at Panghalo
Mababaw na pinggan
Muffle furnace
Kabinet ng usok (may tubo)
Panala sa Hininga na P100
Guwantes na Matibay sa Init2
2
Fuse with unchanged metal
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.
Mga materyales para sa hakbang na ito:
Antimonyo1 as requiredMga kailangang kasangkapan:
Krisol na Luwad na Matibay sa ApoyMuffle furnace
Sipit ng KrisolKabinet ng usok (may tubo)Panala sa Hininga na P100Guwantes na Matibay sa Init3
3
Break out and store the oxide
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.
Mga kailangang kasangkapan:
Almires at PanghaloPanala sa Hininga na P100
Madidilim na Garapong Salamin na Mahigpit ang TakipMga Kinakailangang Kasangkapan
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