BS EN 16691:2015
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30-09-2015
This European Standard specifies a method for the determination of 7 polycyclic aromatic hydrocarbons (PAH) in whole water samples listed in Table1. The method uses solid-phase disk extraction with SPE-disks followed by gas chromatography-mass spectrometry (GC-MS). It is applicable to the analysis of PAHs in surface water containing suspended particulate matter (SPM) up to 500mg/l (whole water samples), drinking water and groundwater. The lower and upper limit of the working range depends on the matrix, on the specific compound to be analyzed and on the sensitivity of the mass spectrometric detection unit. The limit of quantification (LOQ) determined in the validation is given in Table1. The upper limit of the working range is approximately 2000ng/l. This method is, with some modifications suitable for the analysis of waste water. This method is applicable to other PAH 1) , provided the method is validated for each PAH. Table1 Polycyclic aromatic hydrocarbons (PAH) determined by this method Substance Molecular formula Molar mass EC number a CAS-RN b LOQ c g/mol ng/l anthracene C14H10 178,23 204–371–1 120–12–7 0,24 fluoranthene C16H10 202,26 205–912–4 206–44–0 2,1 benzo[b]fluoranthene C20H12 252,32 205–911–9 205–99–2 0,56 benzo[k]fluoranthene C20H12 252,32 205–916–6 207–08–9 0,44 benzo[a]pyrene C20H12 252,32 200–028–5 50–32–8 0,33 benzo[ghi]perylene C22H12 276,34 205–883–8 191–24–2 0,44 indeno[1,2,3-cd]pyrene C22H12 276,34 205–893–2 193–39–5 0,42 a EC Number: European inventory of existing commercial substances (EINECS) or European list of notified chemical substances (ELINCS). b CAS-RN: Chemical Abstracts Service Registry Number. c For the determination of the LOQ the procedure given in NEN7777+C1:2012 [12] was used.
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