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Chrome Passivate Film Detection

We are a metal finishing operation in Ireland undertaking some aluminium chromate conversion coating work. Could anybody advise a method of chrome passivation detection and possibly measurement that's practical for everyday use on the production floor.

Bill Taylor
Irish Finishing Technologies Ltd. - Galway, Rep. of Ireland.
2001

2001

Bill,

I know of a simple detection method for chromate passivation but do not have the details with me now. I will reply later with the info you need.

Regards. Patrick Wm. McILVENA
Melbourne, Victoria, Australia

2001

Bill,

I have returned as promised. Instead of detailing the Chromate detection method, I notice that this has already been given in letter #8243 by Jim Curco.

Good luck. Patrick Wm. McILVENA
Melbourne, Victoria, Australia

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