beerwiz
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Posts: 128
Registered: 6-2-2014
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How to make HAuCl4.3H2O?
Every time I try to make HAuCl4.3H2O I get the red crystalline (red garnet looking) AuCl3. After all the Au is dissolved, I heat the AR solution in a
sand bath at 225°C to evaporate it. The temperature must be too high and it converts to the red AuCl3 instead. Although I've tried evaporating at
100°C and it still turns to blood red AuCl3.
Any suggestions on how to get perfect and dry HAuCl4.3H2O crystals quickly?
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Deathunter88
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Registered: 20-2-2015
Location: Beijing, China
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Place in a sealed bag of NaOH.
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beerwiz
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How long does it take to dry up with NaOH in a sealed bag?
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