This standard has been revised by ISO 6978-1:2003 | ISO 6978-2:2003
Abstract
Two methods are specified: method A for higher mercury content (> 0,5 µg/m^3) based on sampling at atmospheric pressure, absorption in potassium permangante solution, reduction of mercury ions, analysis by flameless atomic absorption spectrometry; method B for lower mercury content (10^- 3 µg/m^3 to 1 µg/m^3) based on sampling at atmospheric or higher pressure, adsorption on silver/gold, desorption, analysis by flameless atomic absorption spectrometry.
General information
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Status : WithdrawnPublication date : 1992-08
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Edition : 1Number of pages : 11
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- ICS :
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Natural gas
Life cycle
A standard is reviewed every 5 years
Revisions / Corrigenda
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Now withdrawn
ISO 6978:1992 -
Revised by
ISO 6978-1:2003
ISO 6978-2:2003
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