ISO 6978-2:2003
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The latest, up-to-date edition.
Natural gas — Determination of mercury — Part 2: Sampling of mercury by amalgamation on gold/platinum alloy
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24-10-2003
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This ISO 6978-2:2003 specifies 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. This method is applicable to the sampling of raw natural gas when no condensation is present. At atmospheric pressure, this method is suitable for the determination of mercury content within the range of 0,01 microgram /m3 to 100 micrograms/m3 in natural gas samples. At higher pressures (up to 8 MPa), this sampling method is suitable for the determination of mercury contents within the range of 0,001 microgram/m3 to 1 microgram/m3. The collected mercury is determined by measuring the absorbance or fluorescence of mercury vapour at 253,7 nm.
| Committee |
ISO/TC 193/SC 1
|
| DevelopmentNote |
Supersedes ISO/DIS 6978-2 (10/2003) Together with ISO 6978-1 supersedes ISO 6978 (11/2003)
|
| DocumentType |
Standard
|
| Pages |
20
|
| PublisherName |
International Organization for Standardization
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| UNE-EN ISO 6978-2:2006 | Identical |
| BS EN ISO 6978-2:2005 | Identical |
| NEN EN ISO 6978-2 : 2005 C2 2016 | Identical |
| ÖNORM EN ISO 6978-2: 2005 10 01 | Identical |
| BS ISO 6978-2 : 2003 AMD 16345 | Identical |
| NEN ISO 6978-2 : 2003 C1 2004 | Identical |
| NEN-EN-ISO 6978-2:2005 | Identical |
| PN EN ISO 6978-2 : 2007 | Identical |
| DIN EN ISO 6978-2:2005-09 | Identical |
| NS EN ISO 6978-2 : 2005 | Identical |
| SN EN ISO 6978-2:2005 | Identical |
| NF EN ISO 6978-2 : 2005 | Identical |
| UNI EN ISO 6978-2 : 2007 | Identical |
| I.S. EN ISO 6978-2:2005 | Identical |
| SN EN ISO 6978-2 : 2005 COR 2016 | Identical |
| SS-EN ISO 6978-2:2005 | Identical |
| NBN EN ISO 6978-2 : 2005 | Identical |
| ONORM EN ISO 6978-2 : 2005 AC JUN 2017 | Identical |
| BS ISO 6978-1 : 2003 AMD 16103 | NATURAL GAS - DETERMINATION OF MERCURY - PART 1: SAMPLING OF MERCURY BY CHEMISORPTION ON IODINE |
| BS ISO 14532 : 2001 AMD 15911 | NATURAL GAS - VOCABULARY |
| BS EN ISO 13686:2013 | Natural gas. Quality designation |
| I.S. EN ISO 13686:2013 | NATURAL GAS - QUALITY DESIGNATION (ISO 13686:2013) |
| DIN EN ISO 6978-1:2005-09 | NATURAL GAS - DETERMINATION OF MERCURY - PART 1: SAMPLING OF MERCURY BY CHEMISORPTION ON IODINE |
| UNE-EN ISO 13686:2014 | Natural gas - Quality designation (ISO 13686:2013) |
| UNI EN ISO 13686 : 2013 | NATURAL GAS - QUALITY DESIGNATION |
| DIN EN ISO 13686:2013-12 | Natural gas - Quality designation (ISO 13686:2013); German version EN ISO 13686:2013 |
| BS EN ISO 6978-1:2005 | Natural gas. Determination of mercury Sampling of mercury by chemisorption on iodine |
| ISO 6978-1:2003 | Natural gas — Determination of mercury — Part 1: Sampling of mercury by chemisorption on iodine |
| EN ISO 13686:2013 | Natural gas - Quality designation (ISO 13686:2013) |
| EN ISO 6978-1:2005 | Natural gas - Determination of mercury - Part 1: Sampling of mercury by chemisorption on iodine (ISO 6978-1:2003 ) |
| ISO 13686:2013 | Natural gas Quality designation |
| ISO 10715:1997 | Natural gas — Sampling guidelines |
| ISO 6978-1:2003 | Natural gas — Determination of mercury — Part 1: Sampling of mercury by chemisorption on iodine |
| ISO 14532:2014 | Natural gas — Vocabulary |
| ISO 14111:1997 | Natural gas — Guidelines to traceability in analysis |
| ISO 641:1975 | Laboratory glassware — Interchangeable spherical ground joints |
| ISO 6570:2001 | Natural gas — Determination of potential hydrocarbon liquid content — Gravimetric methods |
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