Natural gas. Determination of mercury - Sampling of mercury by amalgamation on gold/platinum alloy
Natural gas. Determination of mercury - Sampling of mercury by amalgamation on gold/platinum alloy
What is ISO 6978-2 - Determination of total mercury content of pipeline quality natural gas about?
ISO 6978-2 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 μg/m3 to 100 μg/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 0,001μg/m3 to 1 μg/m3. The collected mercury is determined by measuring the absorbance or fluorescence of mercury vapour at 253,7 nm. Note: ISO6978-1 gives a sampling method suitable for the determination of mercury contents in natural gas by chemisorption on iodine-impregnated silica gel for the working range of 0,1 μg/m3 to 5 000 μg/m3 for sampling at pressures up to 40 MPa.
Who is ISO 6978-2 - Determination of total mercury content of pipeline quality natural gas for?
ISO 6978-2 on determination of total mercury content of pipeline quality natural gas is useful for:
The natural gas industry
Упомянутые в описании и другие стандарты BS