ISO 6974-3:2018 Preview
Natural gas -- Determination of composition and associated uncertainty by gas chromatography -- Part 3: Precision and bias
This document describes the precision that can be expected from the gas chromatographic method that is set up in accordance with ISO 6974-1. The stated precision provides values for the magnitude of variability that can be expected between test results when the method described in ISO 6974-1 is applied in one or more competent laboratories. This document also gives guidance on the assessment of bias.
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