There is a handy oxidation calculator on-line at:
http://www.lelandstanfordjunior.com/dealgrove.html

On Sep 9, 2005, at 10:13 AM, [email protected] wrote:

> I have Gold pattern on the sample and meling point of Gold is 1064oC.
> if I want to do it at 1000oC or 900oC, what should be the time by your
> expection?
>