UNI EN ISO 6570 : 2006

Foreword
Introduction
1 Scope
2 Normative references
3 Principle
4 Apparatus requirements
  4.1 Measurement installation
  4.2 Check for correct installation operation
5 Sampling
  5.1 General
  5.2 Sampling conditions
  5.3 Sample line
  5.4 Direct sampling
  5.5 Indirect sampling
6 Procedure
  6.1 Determination of potential hydrocarbon liquid content
  6.2 Determination of water formation
7 Expression of results
  7.1 Method A - Manual weighing method
  7.2 Method B - Indirect automatic method
8 Uncertainty of measurement
  8.1 Achievable uncertainty
  8.2 Gas leakage
  8.3 Bath liquid
  8.4 Wet gas
  8.5 Condensate leakage
  8.6 Variations in bath temperature and pressure in the
      gas/liquid cyclone separator
  8.7 Premature condensation
9 Test report
Annex A (informative) Selection of measurement temperature
        and pressure
Annex B (informative) Examples of the line-up of the apparatus
Annex C (informative) Example of calibration of the differential
        pressure gauge for the indirect automatic method - Method B
Annex D (informative) Example of an indirect automatic
        measurement - Method B
Annex ZA (normative) Normative references to international
         publications with their relevant European publications