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About This Item
Full Description
This document describes a gas chromatography – ion mobility spectroscopy (GC-IMS) method for the determination of the concentration of siloxanes in biomethane. The method is applicable to the following siloxanes: – hexamethyldisiloxane (L2); – octamethyltrisiloxane (L3); – decamethyltetrasiloxane (L4); – dodecamethylpentasiloxane (L5); – hexamethylcyclotrisiloxane (D3); – octamethylcyclotetrasiloxane (D4); – decamethylcyclopentasiloxane (D5); – dodecamethylcyclohexasiloxane (D6). This document describes suitable calibration and measurement strategies to quantify siloxanes in (bio)methane around and above the 0,3 mg m-3 (14 µmol mol-1) level and applies to analyses within absolute pressure ranges of 1 bar – 2 bar, temperatures of 0 °C – 40 °C and relative humidity < 90 %.
Document History
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DANSK DSF/PREN ISO 2613-2
Analysis of natural gas – Biomethane – Part 2: Determination of siloxane content by gas chromatography ion mobility spectrometry (ISO/DIS 2613-2:2023)- Historical Version
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DANSK DS/EN ISO 2613-2
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Analysis of natural gas – Silicon content of biomethane – Part 2: Determination of siloxane content by gas chromatography with ion mobility spectrometry (ISO 2613-2:2023)- Most Recent