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Posted

Making NbCl5 is not easy at all. I purchased this from an eBay seller.

 

IIRC, it is made by heating NbO2 (which is quite inert) with CCl4, in the excess of chlorine. This process gives COCl2 (phosgene), together with NbCl4, which is oxidized to NbCl5 by the excess of chlorine.

NbCl5 is VERY reactive, it is hydrolysed at once, as soon as it comes in contact with water.

Posted

Making NbCl5 is not easy at all. I purchased this from an eBay seller.

 

IIRC, it is made by heating NbO2 (which is quite inert) with CCl4, in the excess of chlorine. This process gives COCl2 (phosgene), together with NbCl4, which is oxidized to NbCl5 by the excess of chlorine.

NbCl5 is VERY reactive, it is hydrolysed at once, as soon as it comes in contact with water.

Posted

Making NbCl5 is not easy at all. I purchased this from an eBay seller.

 

IIRC, it is made by heating NbO2 (which is quite inert) with CCl4, in the excess of chlorine. This process gives COCl2 (phosgene), together with NbCl4, which is oxidized to NbCl5 by the excess of chlorine.

NbCl5 is VERY reactive, it is hydrolysed at once, as soon as it comes in contact with water.

Posted

Hmmm.. I have Niobium Metal here but not the Chloride, I wonder how hard it would be to make some?

 

Nice Pics Woelen :)

Posted

This thread is totally screwed up. My post appears three times :confused: and even before your post with the question about making NbCl5.

Yesterday I had troubles posting in this thread. I obtained a strange error, telling me something about clock skew or something like that (don't remember precisely).

 

Anyway, my post was meant as a response to your post on making NbCl5.

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