NEN EN ISO 6978-1 : 2005
Current
The latest, up-to-date edition.
NATURAL GAS - DETERMINATION OF MERCURY - PART 1: SAMPLING OF MERCURY BY CHEMISORPTION ON IODINE
12-01-2013
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
6 Reagents
7 Sampling
7.1 General
7.2 Sampling procedure
7.3 Sample treatment
8 Mercury determination
8.1 Transfer of mercury to AAS or AFS instrument
8.2 Calibration
8.3 Blank test
9 Calculation
10 Precision
10.1 General
10.2 Repeatability and reproducibility
10.3 Uncertainty
11 Test report
Bibliography
Defines method for the determination of total mercury content in natural gas using a sampling method at pressures up to 40 MPa by chemisorption on iodine impregnated silica gel.
| DevelopmentNote |
Supersedes NEN ISO 6978-1. (06/2005)
|
| DocumentType |
Standard
|
| PublisherName |
Netherlands Standards
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| UNI EN ISO 6978-1 : 2007 | Identical |
| EN ISO 6978-1:2005 | Identical |
| ISO 6978-1:2003 | Identical |
| DIN EN ISO 6978-1:2005-09 | Identical |
| BS EN ISO 6978-1:2005 | Identical |
| UNE-EN ISO 6978-1:2006 | Identical |
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