ISO 6978-2:2003
$27.95
Gaz naturel — Détermination de la teneur en mercure — Partie 2: Échantillonnage du mercure par amalgamation sur alliage or/platine
Published By | Publication Date | Number of Pages |
ISO | 2003-10 | 28 |
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L'ISO 6978-2:2003 spécifie une méthode de détermination de la teneur totale en mercure dans le gaz naturel de pipeline à l'aide d'une méthode d'échantillonnage par amalgamation sur un fil en alliage or/platine (Au/Pt). Cette méthode est applicable à l'échantillonnage de gaz naturel brut en l'absence de condensation. À pression atmosphérique, cette méthode est appropriée pour la détermination de la teneur en mercure dans des échantillons de gaz naturel allant de 0,01 microgramme/m3 à 100 microgrammes/m3. À des pressions plus élevées (jusqu'à 8 MPa), cette méthode d'échantillonnage est appropriée pour la détermination des teneurs en mercure allant de 0,001 microgramme/m3 à 1 microgramme/m3. Le mercure recueilli est déterminé en mesurant l'absorbance ou la fluorescence de la vapeur de mercure à 253,7 nm.
Published Code | ISO |
---|---|
Published By | International Organization for Standardization |
Publication Date | 2003-10 |
Pages Count | 28 |
Language | France |
Edition | 1 |
File Size | 276.5 KB |
ICS Codes | 75.060 - Natural gas |
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