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Strontium Carbonate: Powdered Celestine Boiled with Soda Solution (Thorpe 1912)
Celestine, the natural strontium sulphate, boiled with a solution of sodium carbonate turns into strontium carbonate, while the sulphate goes into the solution.
Source: Thorpe, Dictionary of Applied Chemistry vol. 5 (1912), Strontium, after Trachsel (1886). Not given: amounts, strength or time; washing and drying are ours. Picture drawn by Youblob.
中级
1 day
说明
1
1
Powder the celestine
Powder the celestine
Grind celestine to a powder.
此步骤所需材料:
天青石1 as required所需工具:
研钵与研杵2
2
Boil it with sodium carbonate solution
Boil it with sodium carbonate solution
Boil the powdered mineral with a solution of sodium carbonate. It becomes strontium carbonate. Not given: amounts, strength or time. Goggles for the hot alkali.
此步骤所需材料:
碳酸钠(纯碱)1 as required
水1 as required所需工具:
硼硅玻璃烧杯
电热板
化学防溅护目镜3
3
Wash and dry
Wash and dry
Ours: filter off the carbonate, wash it well with water to remove the sodium sulphate, and dry it.
所需工具:
滤纸
水
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