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Good practice for generation of Reference FTIR spectrum for Coating Fingerprint Certificate

04 November 2020 Institute of Materials, Malaysia

The batch-to-batch paint consistency stated in the Institute of Materials, Malaysia (IMM) standard FP01:2020 [1] uses a qualitative approach by assessing the degree of similarity (r) between two Fourier-transform infrared (FTIR) spectra of the sample paint and the Reference paint. During the qualification process, the end-user (oil and gas company) shall receive a Reference spectrum that has been cross-validated between the in-house laboratory (owned by paint manufacturer) and independent 3rd-party laboratory, where the acceptance threshold is r 0.90 ± 0.01 (degree of similarity with two significant figures for qualification test).

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