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Coulombmetric measurements-

The coating thickness can be determined through the coulombmetric measurements, in fact it concerns the anodic oxidation of a protective film bound to a specific substrate.

The coating dissolution time is proportional to the thickness and to the kind of the involved atoms, once calibrated with standard samples it yields an exact thickness value.

The instrument reaches a good sensibility and there are not maximum detecting limits.

It is suitable to detect only particular films such as Electro-less nickel coating, Electrolytic nickel deposit, Tinning plating, Galvanizing and Copper plating.

For further information: UNI 3497/01 www.uni.com