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PASSIVATION

http://www.chromforum.org/viewtopic.php?t=3010

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PASSIVATION

Posted: Sun Nov 27, 2005 2:00 pm
by rc_12321
Would any explain me about passivation of the column?

Posted: Sun Nov 27, 2005 7:31 pm
by tom jupille
Done to minimize corrosion of the stainless steel portions of the system.
Stainless steel can be passivated by washing with dilute nitric acid.

For more information, see: http://en.wikipedia.org/wiki/Passivation

Posted: Mon Nov 28, 2005 8:58 am
by HW Mueller
Using the word "column" would indicate a tube filled with stationary phase, most of which would rather not see 3-6M HNO3 for several hours.
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