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Anonymous Poster

storage tank for 99% Nitric Acid

07/30/2009 1:10 AM

Kindly send us 99% Nitric Acid Tank Spec. and Rates FOR basis Karachi Port Qasim Pakistan.
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PWSlack
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#1

Re: storage tank for 99% Nitric Acid

07/30/2009 3:11 AM

CR4 is an engineering discussion site, not an equipment supplier's site. Nevertheless, there's plenty of sound advice available.

Look at polypropylene as a wetted material. There are several plastic tank designers and suppliers. Forbes (usual disclaimer) springs immediately to mind, and they have a website that can be found using any good search engine.

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rakesh_semwal
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#2
In reply to #1

Re: storage tank for 99% Nitric Acid

07/30/2009 4:41 AM

I don't know anything other then Glass that can withstand Nitric acid, as this is packed in Glass bottles in labs.
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PWSlack
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#3
In reply to #1

Re: storage tank for 99% Nitric Acid

07/30/2009 5:01 AM

Correction - polypropylene is NOT SUITABLE.

Check out this site for chemical compatibility issues:

http://www.coleparmer.com/techinfo/ChemComp.asp

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Mikerho
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#4

Re: storage tank for 99% Nitric Acid

07/30/2009 9:34 AM

At this concentration, sounds like it would be fuming HNO3.

SS 304 or 316 would be fine for conc. HNO3.

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lorytech_IT
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#5

Re: storage tank for 99% Nitric Acid

07/30/2009 1:05 PM

Dear sirs, unfortunately in my experience you must use for industrial application (not laboratory) only AISI 304L or Aluminum (high purity). You could also use some exotic material but with unnecessary costs. Very important is the procedure for commissioning. The procedure is not simple to explain shortly but if you have a procedure for H2O2 70%+ you can use the same. Tell us the end of the story...
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rakesh_semwal
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#6
In reply to #5

Re: storage tank for 99% Nitric Acid

07/30/2009 1:19 PM

Dear sirs, unfortunately in my experience you must use for industrial application (not laboratory) only AISI 304L or Aluminum (high purity).

Good answer, But why unfortunately? whats unfortunate in it?
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lorytech_IT
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#7
In reply to #6

Re: storage tank for 99% Nitric Acid

07/30/2009 1:25 PM

Because of my bad english, I suppose... It is a standard "incipit" for italian polite language and it mean that the solution for your problem is not cheap but in some way expensive... Sorry
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