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Rubidium: Rubidium Chloride Heated with Calcium in an Iron Boat in Vacuum (Hackspill, Thorpe 1912)
Calcium takes the chlorine from rubidium chloride when heated in vacuum, and the rubidium, being very volatile, distils away from the boat.
Result: silver-white rubidium (sp. gr. 1.52, melts at 38.5 °C). It oxidises fast in air and burns in water.
Source: Thorpe, Dictionary of Applied Chemistry vol. 4 (1912), p. 596, after Hackspill (Compt. rend. 1905). Not given: amounts and temperature. Picture drawn by Youblob.
Ilọsíwájú
1 day
Ìlànà
1
1
Charge the iron boat
Charge the iron boat
Put rubidium chloride and metallic calcium in an iron boat. Ours: set the boat in a porcelain tube.
Àwọn ohun èlò fún ìgbésẹ̀ yìí:
Rubidium chloride1 as requiredÀwọn irinṣẹ́ tí a nílò:
Calcium
Ọkọ̀ irin
Páìpù Páṣẹ́lẹ́ìnì2
2
Heat in vacuum
Heat in vacuum
Evacuate and heat. Ours: a vacuum pump and a tube furnace.
Àwọn irinṣẹ́ tí a nílò:
Ẹ̀rọ ìfàfẹ́fẹ́jáde
Ààrò Ọ̀pọ́n3
3
Distil off the metal
Distil off the metal
Distil the rubidium off. Ours: let it condense in the cool end of the tube and keep it under kerosene.
Àwọn irinṣẹ́ tí a nílò:
Páìpù Páṣẹ́lẹ́ìnì
Kẹ́rọ́sínìÀwọn ohun-èlò
1- 1 as requiredÀyè
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