Authors
Joint Research Centre, European Commission, Bratinova, Stefanka, Robouch, Piotr, Beldi, Giorgia, Senaldi, Chiara, Hoekstra, Eddo
- Catalogue number
- KJ-NA-31-926-EN-N
- Citation
- European Commission, Joint Research Centre, Bratinova, S., Robouch, P., Beldi, G. et al., Determination of melamine and formaldehyde (FA) in food contact material migration solutions – FCM-23/01 proficiency test report , Publications Office of the European Union, 2024, https://data.europa.eu/doi/10.2760/42351
- DOI
- https://data.europa.eu/doi/10.2760/42351
- ISBN
- 978-92-68-15427-4
- ISSN
- 1831-9424
- Pages
- 59
- Published in
- Belgium
- Themes
- Food technology and food safety
Table of Contents
- Abstract 5
- Acknowledgements 6
- Authors 6
- Executive summary 7
- 1 Introduction 8
- 2 Scope 8
- 3 Set up of the exercise 8
- 3.1 Quality assurance 8
- 3.2 Confidentiality 8
- 3.3 Time frame 9
- 3.4 Distribution 9
- 3.5 Instructions to participants 9
- 4 Test items 10
- 4.1 Preparation 10
- 4.2 Homogeneity and stability 10
- 5 Assigned values and corresponding uncertainties 11
- 5.1 Assigned values 11
- 5.2 Associated uncertainties 11
- 5.3 Metrological traceability of the assigned value 11
- 5.4 Standard deviation for proficiency assessment, σpt 11
- 5.5 Compliance statement for test item 2 12
- 6 Evaluation of results 12
- 6.1 Scores and evaluation criteria 12
- 6.2 General observations 14
- 6.3 Laboratory results and scorings 14
- 6.3.1. Performances 14
- 6.3.2. Truncated values 15
- 6.3.3. Measurement uncertainties 15
- 6.3.4. Test item 2 compliance statement evaluation 15
- 6.3.5. Observations on the compliance assessment of test item 2 21
- 6.3.6. Additional information extracted from the questionnaire 22
- 7 Conclusion 23
- References 25
- List of abbreviations and symbols 26
- List of figures 27
- List of tables 27
- Annex 1: A. Announcement of the PT round “FCM-23/01” 28
- Annex 1: B. Invitation letter 29
- Annex 2: Instructions for participants 30
- Annex 3: Questionnaire 33
- Annex 4: Homogeneity and stability results 36
- A. Homogeneity study for test item 1, all values in mg kg-1 36
- B. Homogeneity study for test item 2, all values in mg kg-1 36
- C. Stability study at 40oC, 20oC and 4oC (RT) for one and/or 13 weeks all values in mg kg-1 (REF, reference) 37
- Annex 5: Results for melamine in FS.B (test item 1) 38
- Annex 6: Results for formaldehyde in FS.B (test item 1) 40
- Annex 7: Repeated temperature profiles (3 consecutive migrations between 68 and 72 oC (Profile 1) performed by the EURL on a mug (test item 2) 42
- Annex 8: Three different temperature profiles within the recommended temperature range of 70 ± 2 oC, obtained by the EURL for different mugs (test item 2) 43
- Annex 9: Melamine results obtained by the EURL 44
- Annex 10: Formaldehyde migration results obtained by the EURL 45
- Annex 11: Reported results for three consecutive migrations (m1, m2, m3) of melamine in food simulant B from test item 2 (MUG), expressed in mg kg-1 46
- Annex 12: Reported results for three consecutive migrations (m1, m2, m3) of formaldehyde in food simulant B from test item 2 (MUG), expressed in mg kg-1 47
- Annex 13: Results of the questionnaire 48