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Subject: salt bath nitriding-chemistry

Date: 04/18/00 at 12:13 PM
Posted by: Jarek Haftek
E-mail: jarek@flamemetals.com
Message Posted:

Does anybody know details behind testing cyanate salt used in salt bath nitriding?
In general, a sample of salt is titrated with silver nitrate to find out CN- and CNO- concentrations.
I have a detailed manufacturer's manual on how to conduct this test, but I would like to know the chemistry behind this testing.
That is, I know HOW to do the test but I want to know WHY it is done like that.
What chemical reactions are involved? Also, I am interested in any other details concerning salt chemistry and bath control?
If there is anybody willing to discuss this with me, please write to jarek@flamemetals.com
Jarek.

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