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  • BSI
    BS EN ISO 2612:2023 Analysis of natural gas. Biomethane. Determination of ammonia content by tuneable diode laser absorption spectroscopy
    Edition: 2024
    $316.70
    / user per year

Description of BS EN ISO 2612:2023 2024

This document describes several test methods for measuring the ammonia amount fraction in natural gas and biomethane at the trace level (µmol mol-1). The suitable handling and sampling of pressurised mixtures of ammonia in methane that are applied to several different ammonia measurement systems are described. The measurement systems are comprised of readily available commercial spectroscopic analysers that are specific to ammonia. These NH3 analysers are considered as a black box in terms of their operation, which is dependent on the instructions of the manufacturer. The document describes suitable calibration and measurement strategies to quantify ammonia in (bio)methane around and above the 10 mg m-3 (14 µmol mol-1) level and applies to analysis within absolute pressure ranges of 1 bar – 2 bar, temperatures of 0 °C – 40 °C and relative humidity <90 %. References are also made to additional standards that are applied either to natural gas analysis or air quality measurements. In this document the matrix gas is always methane or biomethane and the measurand is the amount fraction NH3. NOTE            1 bar = 0,1 MPa =105 Pa; 1 MPa = 1 N/mm2.

Standard NumberBS EN ISO 2612:2023
TitleAnalysis of natural gas. Biomethane. Determination of ammonia content by tuneable diode laser absorption spectroscopy
StatusDefinitive
Publication Date2024-01-03
Identical National Standard OfENISO 2612, ISO 2612
DescriptorsNatural gas, Ammonia (gas), Laser diodes, Spectroscopy, Methane
ICS75.060 Natural gas
CommitteePTI/15
ISBN978 0 539 16812 9
PublisherBSI
Pages20

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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