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QAL2 – Calibration of the AMS (CEMS)

This is a procedure to determine the calibration function and its variability, and a test of the variability of the measured values of the AMS compared with the uncertainty given by legislation. A calibration function is established from the results of a number of parallel measurements performed with a Standard Reference Method ( SRM). The variability of the measured values against the AMS is then evaluated against the required uncertainty.

Again, measurements are to be carried out by a testing company accredited to ISO 17025. The standard requires at least 15 parallel measurements spread over three days.

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