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Dear Mr. Wallen,
I am also interested in the responses you have received to
your question.
Long ago, at a company I worked, we used to add sodium
nitrite to prevent rust forming on pressure vessels put in
water tank to perform pressure tests.
But I cannot remember the concentration. Now at another
company I want to do same...
your help / input would be appreciated.
Thanks
Stan P
stan p [name deleted for
privacy]
air conditioning - Staunton, VA, usa
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