Determination of MOSH and MOAH in muesli and paperboard
Proficiency Test Report JRC FCM-20/01
The European Union Reference Laboratory for Food Contact Materials (EURL-FCM) has
organised a proficiency test (FCM-20/01) for the determination of so-called mineral oil
saturated hydrocarbons and mineral oil aromatic hydrocarbons (MOSH and MOAH) in
muesli and paperboard to support the Commission Recommendation (EU) 84/2017. This proficiency test was open to National Reference Laboratories (NRLs) and Official Control Laboratories (OCLs).
Test item 1 consisted of chopped recycled paperboard, while test item 2 consisted of ground muesli contaminated with MOSH/MOAH. The homogeneity and stability of the test items were evaluated and the assigned values were derived from the results of
expert laboratories.
Fourteen NRLs and seven OCLs registered to the exercise, but only 7 NRLs and 5 OCLs, representing 6 EU Member States and Switzerland, reported results. These results were rated using D%, z, z’ and/or zeta (ζ) scores in accordance with ISO 13528:2015. Relative standard deviations for proficiency assessment (σpt,rel) ranging from 15 % to 30 % of the respective assigned values were set for the different
MOSH/MOAH fractions, based on the perception of experts.
Most of the participating laboratories performed satisfactorily for the determination of the various MOSH/MOAH fractions in muesli and paperboard, when expressed as z scores.
The main outcome is that MOSH/MOAH analysis is still challenging for the NRLs and OCLs in the majority of the MS, even for not omplicated samples as paperboard and muesli.
BRATINOVA Stefanka;
DEHOUCK Pieter;
ROBOUCH Piotr;
BELDI Giorgia;
JAKUBOWSKA Natalia;
HOEKSTRA Eddo;
2021-07-30
Publications Office of the European Union
JRC126069
978-92-76-40589-4 (online),
1831-9424 (online),
EUR 30787 EN,
OP KJ-NA-30787-EN-N (online),
https://publications.jrc.ec.europa.eu/repository/handle/JRC126069,
10.2760/05496 (online),
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