ISO 11626:2024
Natural gas — Determination of sulfur compounds — Determination of hydrogen sulfide content by UV absorption method

Standard No.

ISO 11626:2024

Release Date

2024

Published By

International Organization for Standardization (ISO)

Latest

ISO 11626:2024

Scope

This document describes the test method for the determination of hydrogen sulfide content in natural gas by ultraviolet (UV) absorption method. This document applies to the determination of hydrogen sulfide content in natural gas, in the range from 1 mg/m3 to 50 mg/m3.

ISO 11626:2024 Referenced Document

• ISO 10715 Natural gas — Gas sampling
• ISO 12963 Gas analysis - Comparison methods for the determination of the composition of gas mixtures based on one- and two-point calibration - Amendment 1: Correction to Formula 5
• ISO 6141 Gas analysis — Contents of certificates for calibration gas mixtures — Amendment 1: Cross reference list to ISO Guide 31:2015 and ISO/IEC 17025:2017
• ISO 6142-1 Gas analysis - Preparation of calibration gas mixtures - Part 1: Gravimetric method for Class I mixtures - Amendment 1: Corrections to formulae in Annex E and Annex G
• ISO 6143 Gas analysis - Comparison methods for determining and checking the composition of calibration gas mixtures
• ISO 6145 Gas analysis - Preparation of calibration gas mixtures using dynamic volumetric methods - Part 9: Saturation method

ISO 11626:2024 history

• 2024 ISO 11626:2024 Natural gas — Determination of sulfur compounds — Determination of hydrogen sulfide content by UV absorption method

Standard and Specification