2. Measurement method

The VIM (International Vocabulary of Metrology) defines the measurement method as the "generic description of the logical organization of operations implemented in a measurement". The operating mode step (figure 2 ) is the basic step, which can be coupled with a "sample preparation" step (step 1) and a "mathematical tools" step (step 3) when the output result of the operating mode step is not in the required unit (passage through a calibration line that links outputs in mV to concentrations in mg · L ^–1 ...