ISO 20676:2018

Natural gas - Upstream area - Determination of hydrogen sulfide content by laser absorption spectroscopy

This document specifies a method for the determination of hydrogen sulfide content in working field natural gas of upstream area by laser absorption spectroscopy. The analytical range expressed as mole fraction is 10 × 10⁻⁶ to 20 %. The analytical range can be expanded to higher content with specific instrument requirements.

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