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Anonymous Poster

moc for nitration

05/04/2009 7:12 AM

what material of construction can be used for doing nitration reactions which include sulphuric acid and fuming nitric acid
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PWSlack
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#1

Re: moc for nitration

05/05/2009 3:04 AM

Borosilicate glass is about as acid-resistant as one is likely to get.

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sceptic
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#2

Re: moc for nitration

05/07/2009 8:34 AM

If both H2SO4 and HNO3 are always concentrated, mild steel works.

If they are diluted during reactions, both are very corrosive to mild steel.

If the temperature is not too high, rubber lined steel vessels can be used although both acids tend to oxidize the rubber.

PTFE and viton liners are also OK and not prone to oxidization, especially the PTFE.

I think 316L stainless is also suitable, but I'm not sure.

What temperatures and pressures are you likely to need? This can have a big bearing on the material you can use.
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