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"Stripping to determine Chromic Acid Anodizing thickness"
January 13, 2010
Is there any method to check chromic acid anodizing thickness by stripping in laboratory? If yes, how can it be done?
Thanks for the help.
Plating shop employee - Bangalore, India
First of two simultaneous responses -- January 14, 2010
chromic-phosphoric acid at 200 F 5 minutesTerry Tomt
- Auburn, Washington, USA
Second of two simultaneous responses -- January 15, 2010
This can be done by weighing your test panel to decimal places of a gram. then stripping in
20 m/v^2.0% m/v chromic acid, 3.5% v/v phosphoric acid at >97 deg C for 30 mins. Then rinsing and drying the panels before reweighing as before.
divide the change in weight by the surface area in the chosen units.
Hope this helps, good luck
- Isle of Man, Great Britain