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BS EN ISO 2611-1:2024

BS EN ISO 2611-1:2024

$102.76

Analysis of natural gas. Halogen content of biomethane – HCl and HF content by ion chromatography

Published By Publication Date Number of Pages
BSI 2024 22
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This document specifies a method for the determination of the concentration of hydrochloric acid (HCl) and hydrofluoric acid (HF) in biomethane, after absorption on an alkali-impregnated quartz fibre filtre or in a sorbent trap, by ion chromatography (IC) with conductimetric detection. The method is applicable to biomethane for concentration levels for HCl from 0,07 mg/m3 to 35 mg/m3 and for HF from 0,07 mg/m3 to 20 mg/m3. Unless stated otherwise, all concentrations in this document are given under standard reference conditions (see ISO 13443). Other conditions can be applied. This method is also applicable to biogas. This method is intended to support conformity assessment of biomethane and biogas according to specifications, such as the EN 16723 series.

PDF Catalog

PDF Pages PDF Title
2 undefined
10 4.1 Symbols
4.2 Abbreviated terms
11 6.1 General
6.2 Water
6.3 Aqueous solutions
6.4 Chloride and fluoride stock standard solutions
6.5 Chloride and fluoride standard solutions
12 6.6 Chloride and fluoride calibration solutions
6.7 Blank
6.8 Eluents
6.9 Quartz filters
6.10 Syringe filters
6.11 Sorbent tubes
7.1 General
7.2 Ion chromatography system
13 7.3 Quality requirements for the separator column
8.1 General
8.2 Sampling equipment
8.2.1 Filter
8.2.2 Cartridges
14 8.2.3 Pump
8.3 Sampling
8.3.1 Filter-based method
8.3.2 Cartridge-based method
8.3.3 Gas volume measurement
8.4 Sample pre-treatment
8.4.1 Filter-based method
8.4.2 Cartridges-based method
15 9.1 General
9.2 Calibration
9.3 Measurement
17 12.1 Calibration check
12.2 Performance data

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BS EN ISO 2611-1:2024
$102.76