UNE-EN ISO 6978-2:2006
Current
Natural gas - Determination of mercury - Part 2: Sampling of mercury by amalgamation on gold/platinum alloy (ISO 6978-2:2003)
Hardcopy , PDF
Spanish, Castilian, English
03-01-2006
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
6 Reagents and materials
7 Preparation of sampling and analytical tubes
7.1 Filling
7.2 Cleaning
7.3 Efficiency testing
8 Sampling
8.1 General
8.2 Conditions for representative sampling
8.3 Sampling procedure at atmospheric pressure
8.4 Sampling procedure at high pressure
8.5 Removal of condensate from discarded sampling tubes
9 Mercury determination
9.1 Transfer of mercury to the analytical tube (double
amalgamation)
9.2 Transfer of mercury to AAS or AFS instrument
9.3 Calibration
9.4 Blank test
10 Calculation
11 Precision
12 Test report
Bibliography
Define a method for the determination of total mercury content of pipeline quality natural gas using a sampling method by amalgamation on gold/platinum (Au/Pt) alloy thread.
| Committee |
CTN 60
|
| DocumentType |
Standard
|
| Pages |
28
|
| PublisherName |
Asociación Española de Normalización
|
| Status |
Current
|
| Standards | Relationship |
| NS EN ISO 6978-2 : 2005 | Identical |
| NBN EN ISO 6978-2 : 2005 | Identical |
| NF EN ISO 6978-2 : 2005 | Identical |
| BS EN ISO 6978-2:2005 | Identical |
| NEN EN ISO 6978-2 : 2005 C2 2016 | Identical |
| EN ISO 6978-2:2005 | Identical |
| I.S. EN ISO 6978-2:2005 | Identical |
| ISO 6978-2:2003 | Identical |
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