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Topic: convert Co(NO3)3 to Co(NO3)2  (Read 2124 times)

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Offline KiraPienaar

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convert Co(NO3)3 to Co(NO3)2
« on: August 09, 2014, 01:51:56 PM »
Does anyone know how I can convert Co(NO3)3 to Co(NO3)2.
My final goal is to synthesize HgCo(SCN)4 and at the moment I am sitting with Co(OH)3. I found a method but I need the first conversion I mentioned in order to do it, but if anyone has a method to form HgCo(SCN)4 from Co(OH)3, it will by highly appreciated.
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Offline KiraPienaar

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Re: convert Co(NO3)3 to Co(NO3)2
« Reply #1 on: August 09, 2014, 01:57:08 PM »
A method to convert Co(OH)3 to Co(OH)2 will also be useful
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Offline EDTA

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Re: convert Co(NO3)3 to Co(NO3)2
« Reply #2 on: August 27, 2014, 05:44:42 PM »
I'm not sure about this, but I think you need to use a weak reducing agent, something like SO2.
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