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Oxygen: Bleaching Powder Solution Heated with a Little Cobalt Oxide at 70–80 °C
Oxygen from bleaching powder, as Thorpe's Dictionary (1913) gives it: a strong solution of bleaching powder with a little cobalt oxide gives a steady stream of oxygen at about 70–80 °C, leaving calcium chloride.
The picture: our diagram.
Hagati
1 day
Amabwiriza
1
1
Mix bleaching powder solution with a little cobalt oxide
Mix bleaching powder solution with a little cobalt oxide
Make a concentrated solution of bleaching powder and add a small quantity of cobalt oxide. No amounts are given. Ours: in a flask.
Ibikoresho by'iyi ntambwe:
Ifu yo kwerurutsa1 as requiredIbikoresho bikenewe:
Ogisidi ya kobalti
Amazi
Icupa rifite igituza kizengurutse
Amadarubindi yo Kwirinda Ibinyabutabire2
2
Heat to about 70–80 °C
Heat to about 70–80 °C
Heat to about 70–80 °C, the best temperature for a steady stream of gas. Ours: a water bath.
Ibikoresho bikenewe:
Ubwogero bw'Amazi
Urubaho rushyushya
Igipima Ubushyuhe cy'Ubushakashatsi3
3
Collect the gas over water
Collect the gas over water
Ours: lead the gas through a delivery tube into gas jars standing full of water in a pneumatic trough.
Ibikoresho bikenewe:
Umuyoboro w'ikirahure wo kunyuzamo
Ikibaya cy'umwuka gifite ibibindi by'imyukaAmaziIbikoresho
1- 1 as requiredUmwanya
Ibikoresho bikenewe
9- Umwanya
- Umwanya
- Umwanya
- Umwanya
Iki gishushanyo gikora
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