Analysis of natural gas - Silicon content of biomethane - Part 2: Determination of siloxane content by gas chromatography with ion mobility spectrometry
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Number of Standard:
CSN EN ISO 2613-2
Category:
385581
Pages:
24
Released:
01.06.2024
Catalog number:
519083
DESCRIPTION
CSN EN ISO 2613-2
CSN EN ISO 2613-2 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 %. Original English text of CSN EN Standard. The price of the Standard included all amendments and correcturs.
