AMSQQP416E Class 2 type 2

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For cadmium plating pertaining to AMSQQP416E Class 2 type 2, it mentions "Thickness measurements of cadmium platings, Types II
and III, shall be made after application of the supplementary treatments."

I intend to carry out plating on copper and steel parts. The parts will undergo cadmium plating and subsequently supplementary chromate treatment. Some of the steel parts also are required to undergo a nickel strike before cadmium plating.

May I ask is magnetic induction thickness gauge suitable to measure cadmium thickness for steel parts with the presence of the thin nickel strike and chromate layer? Besides XRF, is there any suitable non destructive thickness measurement method?
 
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