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Sodium Acetate: Acetic Acid Neutralised with Washing Soda
Sodium acetate is acetic acid with its acid taken up by soda. US Dispensatory (1907): add crystals of sodium carbonate to acetic acid until neutral, filter, concentrate and crystallise. The crystals are clear prisms that lose water in warm dry air, so keep them closed.
The picture: a sodium acetate crystal (Wikimedia Commons).
初学者
1 day
说明
1
1
Neutralise the acid
Neutralise the acid
Goggles on. Dilute 100 g of glacial acetic acid with about its own volume of water. Add washing-soda crystals a little at a time, stirring, until it is neutral to litmus (about 240 g).
此步骤所需材料:
乙酸(冰醋酸)100 克
洗涤碱240 克所需工具:
水
硼硅玻璃烧杯
玻璃搅拌棒
石蕊试纸
等臂天平
化学防溅护目镜2
2
Filter and concentrate
Filter and concentrate
Filter, then boil the solution down in a dish.
所需工具:
细棉滤布
蒸发皿
砂浴3
3
Crystallise
Crystallise
Let it cool and crystallise. Drain the crystals and keep them in a closed jar.
所需工具:
蒸发皿
带盖玻璃罐CC0 公共领域
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