Abstract

The Chemical Section of OMH1,2 embarked on the preparation of a series of wheat samples as Certified Reference Materials (CRMs) in 1992. The certification processes were carried out according to the recommendations of ISO. Since then we have developed a series of flour samples as well. The investigations of the long-term stability and the application of wheat and flour CRMs are continuous. Wheat is one of the most widely grown crops in Hungary and it is one of the major determining factors of the economy. Its uniform and objective qualification is of great importance. There are well-equipped laboratories available with sufficient experience but, as the proficiency testing regularly showed, certified samples need to be used to achieve exact and uniform measuring results.

© 1998 NIR Publications

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References

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  1. Hungarian Law on Legal Metrology No XLV  (1991).
  2. Measures and Services of the National Office of Measures (OMH)  in 1996.
  3. ISO GUIDE 35 (1989) Certification of Reference Materials—General and Statistical Principles .
  4. ISO REMCO N280 1993 Proficiency Testing of Chemical Analytical Laboratories .

Other (4)

Hungarian Law on Legal Metrology No XLV  (1991).

Measures and Services of the National Office of Measures (OMH)  in 1996.

ISO GUIDE 35 (1989) Certification of Reference Materials—General and Statistical Principles .

ISO REMCO N280 1993 Proficiency Testing of Chemical Analytical Laboratories .

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