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 %.
SDO | ISO: International Organization for Standardization |
Document Number | ISO 2613 |
Publication Date | Not Available |
Language | en - English |
Page Count | |
Revision Level | |
Supercedes | |
Committee | ISO/TC 193/SC 1 |