Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ

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Metal finishing in my world...

We are a small company in Memphis. I am new at this kind of work but I was wondering about what different atmospheres do to a nitric acid tank for passivation and the different oils in the air from the machinery?

Lori Kirk
finisher - Mem, Tennessee, USA
February 21, 2008

I don't think the atmosphere will hurt the nitric acid, but any oil from machinery will. Only spotlessly clean parts can be passivated, not slightly oily ones. Good luck.

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
February 21, 2008

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