Certification of the mass fraction and the mass concentration of butoxybenzene in B7 gas oil: ERM-EF319
ERM-EF319 is a B7 gas oil material, containing 7% bio gas oil, certified for the mass fraction and mass concentration of butoxybenzene (butyl phenyl ether, CAS no. 1126-79-0), produced in accordance with ISO 17034:2016 and ISO Guide 35:2017. The starting materials were commercially available B7 gas oil (B7: 7 % bio gas oil, volume fraction) and butoxybenzene. The material was prepared gravimetrically using calibrated balances and the mass fraction was confirmed by independent measurements. The certified reference material (CRM) solution of butoxybenzene in B7 gas oil is available in glass ampoules containing at least 2.8 mL of the liquid material, which were sealed under an atmosphere of argon and stored at 18 ºC in the dark. Between-unit homogeneity was quantified and stability during transport and storage was assessed in accordance with ISO Guide 35:2017. Within-unit homogeneity was quantified to determine the minimum sample size. The minimum sample size for one measurement is 1 µl. The certified value was obtained from the gravimetric preparations, taking into account the purity of the base materials. The certified values were confirmed by GC-MS (measurements compliant with ISO/IEC 17025:2017)
Uncertainties of the certified values were calculated in accordance with ISO 17034:2016 and ISO Guide 35:2017 [and include uncertainties related to possible inhomogeneity, instability and characterisation.
The material is intended for the quality control and assessment of method performance.
FOLGADO DE LUCENA Ana Filipa;
CHAROUD-GOT Jean;
BREIDBACH Andreas;
HELD Andrea;
EMTEBORG Hakan;
2023-08-17
Publications Office of the European Union
JRC134096
978-92-68-05056-9 (online),
1831-9424 (online),
EUR 31573 EN,
OP KJ-NA-31-573-EN-N (online),
https://publications.jrc.ec.europa.eu/repository/handle/JRC134096,
10.2760/73393 (online),
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