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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.
中级
1 day
说明
1
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.
此步骤所需材料：
锑1 as required所需工具：
研钵与研杵
浅盘
马弗炉
通风柜（带排风管）
P100 防毒面具
耐热手套2
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.
此步骤所需材料：
锑1 as required所需工具：
耐火黏土坩埚马弗炉
坩埚钳通风柜（带排风管）P100 防毒面具耐热手套3
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.
所需工具：
研钵与研杵P100 防毒面具
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