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Lion850
National Hazard
Posts: 514
Registered: 7-10-2019
Location: Australia
Member Is Offline
Mood: Great
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Hi gents in my attempts to get CeO2 to react at one point I got some 5g dissolved in HCl with some H2O2 added. I boiled down this yellow solution to
small volume and then added to this a boiling solution of 5g K2SO4 (dissolved in minimal water).
This yielded a white ppt. Adding H2O2 turned it yellow. It was filtered hot and dried and the result is a few gram of yellow powder with a hint of
orange. It is insoluble in water.
I think this may be ceric potassium sulfate.
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woelen
Super Administrator
Posts: 7977
Registered: 20-8-2005
Location: Netherlands
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Mood: interested
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Ceric sulfate and its double salts are not insoluble, they dissolve in water to some extent. They give bright yellow solutions.
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