Paper Search Console

Home Search Page About Contact

Journal Title

Title of Journal: Accred Qual Assur

Search In Journal Title:

Abbravation: Accreditation and Quality Assurance

Search In Journal Abbravation:

Publisher

Springer Berlin Heidelberg

Search In Publisher:

DOI

10.1016/0308-9126(84)90129-9

Search In DOI:

ISSN

1432-0517

Search In ISSN:
Search In Title Of Papers:

Preparation of an infant formula proficiency testi

Authors: A Sorbo M Ciprotti A Colabucci C Zoani M Di Gregorio A C Turco L Ciaralli
Publish Date: 2015/07/14
Volume: 20, Issue: 5, Pages: 373-380
PDF Link

Abstract

The European Union Reference Laboratory for Chemical Elements in Food of Animal Origin EURLCEFAO is a proficiency testing PT provider accredited according to ISO Guide 431 and later to ISO/IEC 170432010 It organizes exercises devoted to expert laboratories of the EU Member States PTs are proposed taking into account matrices analytes maximum levels MLs ruled in Commission Regulation EC 1881/2006 and following amendments and discussions about new or modified MLs Following this approach an exercise was organized in 2012 on the measurement of the cadmium Cd and lead Pb mass fraction in powdered infant formula based on animal proteins 17th PT One of the goals was to prepare a material containing Cd around the probable new ML so as to allow participants to test their performance at such a level The procedure to produce the PT material was set on the basis of the EURL long experience in preparing freezedried samples and was tested on a preliminary batch Homogeneity and stability of the PT material were evaluated through procedures based on international standards For all tests a standard deviation for proficiency assessment σ pt more restrictive than that from the Horwitz equation σ H was used The mass fraction of Cd and Pb in the material was proven to be homogeneous and stable for 15 months These results are extremely satisfactory taking into account the low mass fraction proposed and the restrictive standard deviation for proficiency assessment used to perform the tests Furthermore the PT was particularly useful considering that Commission Regulation EC 1881/2006 has been recently amended CR EU 488/2014 with the introduction of the new ML for Cd in infant formulas consistent with the mass fraction value proposed in the 17th PTThis work has been carried out with the financial support of the SANCO 2005/Food SAFETY/003Residues Program of the European Commission The contents of this manuscript are the sole responsibility of the authors and can in no way be taken to reflect the views of the European Commission The authors thank Rosa Giordano for the profitable discussions on proficiency testings and Daniela Pino for editorial assistance on the manuscript

Keywords:

References

.
Search In Abstract Of Papers:
Other Papers In This Journal:
  1. Establishing the cut-off value of a screening method
  2. About acceptance and rejection zones as defined in the EURACHEM/CITAC Guide (2007) “Use of uncertainty information in compliance assessment”
  3. From GUM to alternative methods for measurement uncertainty evaluation
  4. Quality by Design applications in biosimilar pharmaceutical products
  5. The application of data from proficiency testing to laboratory accreditation according to ISO 17025
  6. Homogeneity studies and ISO Guide 35:2006
  7. Interpretation of the measurement results near the detection limit in gamma-ray spectrometry using Bayesian statistics
  8. Must participation in an interlaboratory comparison be (very) frequent?
  9. Local comparability of proficiency testing results: determination of concrete slump and compressive strength values
  10. EURACHEM/CITAC workshop on recent developments in measurement uncertainty
  11. Making progress in a practical discipline
  12. Proficiency testing in analytical chemistry, microbiology and laboratory medicine: discussions on current practice and future directions
  13. Adequacy in the metrology of chemical analysis and other complicated measurements
  14. Quantitative NMR spectroscopy for accurate purity determination of amino acids, and uncertainty evaluation for different signals
  15. Discussion on classification and performance evaluation of diversified testing procedures
  16. Laboratory accreditation: Proof of performance for environmental laboratories—2001 study
  17. Lectures for chemists on statistics II. The normal distribution: a briefer on the univariate case
  18. Evaluation of proficiency tests in microbiological analysis: enumeration of aerobic microorganisms
  19. Impact of Eurachem 25 years of activity
  20. Response on “Regulations in the field of residue and doping analysis should ensure a well-defined risk of a false positive declaration” by N. M. Faber
  21. Considerations for the development and application of control materials to improve metagenomic microbial community profiling
  22. Use of an excess variance approach for the certification of reference materials by interlaboratory comparison
  23. Traceability of measurement results in chemistry: a case study of certification of three new pharmaceutical reference materials
  24. Long-term (2001–2012) study of a proficiency testing scheme for textiles
  25. The accreditation of reference material producers — EUROLAB's position
  26. From a single analyzer to multiple instruments—The GUM approach
  27. About some basic concepts for metrology in analytical chemistry
Search Result: