BS ISO 6978-1 : 2003 AMD 16103
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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NATURAL GAS - DETERMINATION OF MERCURY - PART 1: SAMPLING OF MERCURY BY CHEMISORPTION ON IODINE
23-11-2012
16-02-2006
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 (see Figures 1 and 2)
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
Describes a 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.
| Committee |
PTI/15
|
| DevelopmentNote |
Supersedes BS 7678(1993) and 98/123654 DC (12/2003) Renumbered and superseded by BS EN ISO 6978-1 (02/2006)
|
| DocumentType |
Standard
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| ISO 6978-1:2003 | Identical |
| ISO 10715:1997 | Natural gas — Sampling guidelines |
| ISO 6978-2:2003 | Natural gas — Determination of mercury — Part 2: Sampling of mercury by amalgamation on gold/platinum alloy |
| ISO 14532:2014 | Natural gas — Vocabulary |
| ISO 14111:1997 | Natural gas — Guidelines to traceability in analysis |
| ISO 6570:2001 | Natural gas — Determination of potential hydrocarbon liquid content — Gravimetric methods |