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Corrosion&Coating

Corrosion inhibitor assessment

Source:Corrtest Time:2021-12-24 View:0
For corrosion inhibitor assessment, usually people don’t calculate the corrosion rate, or MPY.
Usually we get the inhibiting efficiency, that is a percentage. For example, with blank solution without adding inhibitor, we get a i0. If inhibitor 1 is added, we get i1.
If inhibitor #2 is added we get i2.

We calculate the percentage:
(i0-i1) / i0 x100%

Similarly for inhibitor #2
(i0-i2) / i0 x 100%

If you need MPY, you will need to calculate according to below formula:

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