BS ISO 6974-2 : 2001 AMD 13855

Name: BS ISO 6974-2 : 2001 AMD 13855
Brand: BSI

Superseded

View Superseded by

NATURAL GAS - DETERMINATION OF COMPOSITION WITH DEFINED UNCERTAINTY BY GAS CHROMATOGRAPHY - PART 2: MEASURING-SYSTEM CHARACTERISTICS AND STATISTICS FOR PROCESSING OF DATA

Superseded date

15-07-2002

Published date

23-11-2012

Publisher

British Standards Institution

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and subscripts
  4.1 Symbols
  4.2 Subscripts
5 Procedure
  5.1 Step 1: Determination of the optimal response
              functions
  5.2 Step 2: Selection of the response functions to
              be used in practice
  5.3 Step 3: Routine calibration with a working-
              reference gas mixture
  5.4 Step 4: Calculation of non-normalized component
              mole fractions
  5.5 Step 5: Calculation of non-normalized component
              standard deviations
  5.6 Step 6: Calculation of normalized component mole
              fractions
  5.7 Step 7: Calculation of normalized component
              standard deviations
  5.8 Step 8: Calculation of uncertainty and
              repeatability of the results
  5.9 Relationship between ISO 6974-2 and ISO 6976
Annex A (informative) Critical values of t
Annex B (informative) Example
Annex C (informative) Relative response factors (K)
Bibliography

This part specifies the data processing for the tailored analysis of natural gas. It determines the measuring system characteristics and the statistical approach to data handling and error calculation with the aim of defining the uncertainty in the mole fractions of the component measured.

Committee	PTI/15
DevelopmentNote	Together with BS ISO 6974-1, BS ISO 6974-3, BS ISO 6974-4 and BS ISO 6974-5 it supersedes BS 3156-11.1.1(1986). (03/2001) Renumbered and superseded by BS EN ISO 6974-2 Supersedes 95/123186 DC (08/2002)
DocumentType	Standard
PublisherName	British Standards Institution
Status	Superseded
SupersededBy	BS EN ISO 6974-2:2012
Supersedes	BS 3156-11.1.1:1986 95/123186 DC : DRAFT JUN 1995

Standards	Relationship
ISO 6974-2:2012	Identical

ISO 6976:2016	Natural gas — Calculation of calorific values, density, relative density and Wobbe indices from composition
ISO 6974-1:2012	Natural gas — Determination of composition and associated uncertainty by gas chromatography — Part 1: General guidelines and calculation of composition