BS EN ISO 6974-2:2012
$142.49
Natural gas. Determination of composition and associated uncertainty by gas chromatography – Uncertainty calculations
| Published By | Publication Date | Number of Pages |
| BSI | 2012 | 28 |
This part of ISO 6974 describes the process required to determine the uncertainty associated with the mole fraction for each component from a natural gas analysis in accordance with ISO 6974-1.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 6 | Foreword |
| 7 | Introduction |
| 9 | 1 Scope 2 Normative references 3 Terms and definitions 4 Symbols 4.1 Symbols |
| 10 | 4.2 Subscripts 5 Calculation of uncertainty 5.1 General considerations |
| 13 | 5.2 Principles 5.3 Step 9 — Calculation of uncertainty of mole fractions |
| 19 | 5.4 Step 10 — Calculation of the expanded uncertainty of mole fractions |
| 20 | Annex A (informative) Calculation of processed component uncertainties |
| 21 | Annex B (normative) Uncertainties of relative response factors |
| 22 | Annex C (informative) Alternative calculation of the uncertainty of the value of the unknown |
| 24 | Bibliography |
