<p class="MsoBodyText"><span lang="EN-GB">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.</span></p>
<p class="MsoBodyText"><span lang="EN-GB">The method is applicable to biomethane for concentration levels for HCl from 0,07 mg/m<sup>3</sup> to 35 mg/m<sup>3</sup> and for HF from 0,07 mg/m<sup>3</sup> to 20 mg/m<sup>3</sup>.</span></p>
<p class="MsoBodyText"><span lang="EN-GB">Unless stated otherwise, all concentrations in this document are given under standard reference conditions (see ISO 13443). Other conditions can be applied.</span></p>
<p class="MsoBodyText"><span lang="EN-GB">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.</span></p>
Registration number (WIID)
81455
Scope
<p class="MsoBodyText"><span lang="EN-GB">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.</span></p>
<p class="MsoBodyText"><span lang="EN-GB">The method is applicable to biomethane for concentration levels for HCl from 0,07 mg/m<sup>3</sup> to 35 mg/m<sup>3</sup> and for HF from 0,07 mg/m<sup>3</sup> to 20 mg/m<sup>3</sup>.</span></p>
<p class="MsoBodyText"><span lang="EN-GB">Unless stated otherwise, all concentrations in this document are given under standard reference conditions (see ISO 13443). Other conditions can be applied.</span></p>
<p class="MsoBodyText"><span lang="EN-GB">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.</span></p>
