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.
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.
<div id="MathJax_Message" style="display: none;"></div> <p>L'ISO 6974-3:2000 décrit une méthode par chromatographie en phase gazeuse pour la détermination quantitative de la teneur en hélium, en hydrogène, en oxygène, en azote, en dioxyde de carbone et en hydrocarbures de C<sub>1</sub> à C<sub>8 </sub>d'échantillons de gaz naturel, à l'aide de deux colonnes remplies. Cette méthode est applicable aux analyses réalisées dans des processus en continu ou en laboratoire.</p> <p>L'ISO 6974-3:2000 n'est applicable que conjointement avec l'ISO 6974-1 et l'ISO 6974-2.</p>
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