Short- and long-term stability of electrolytic conductivity certified reference materials

2020 ◽  
Vol 25 (2) ◽  
pp. 127-138
Author(s):  
L. Deleebeeck ◽  
J. Avnskjold ◽  
A. Snedden
Keyword(s):  
Reference Materials ◽  
Certified Reference Materials ◽  
Electrolytic Conductivity ◽  
Term Stability ◽  
Long Term Stability ◽  
Short And Long Term

Short- and long-term stability of the JILAG-4 Absolute Gravimeter

1993 ◽  
Vol 98 (B3) ◽  
pp. 4619-4626 ◽  
Author(s):  
George Peter ◽  
Fred J. Klopping ◽  
Glenn S. Sasagawa ◽  
James E. Faller ◽  
Timothy M. Niebauer
Keyword(s):  
Absolute Gravimeter ◽  
Term Stability ◽  
Long Term Stability ◽  
Short And Long Term

Experience with Certified Reference Material Proficiency Testing for Quality Control of Wheat

1998 ◽  
Vol 6 (A) ◽  
pp. A53-A61
Author(s):  
Judit Budai ◽  
Judit Fükó
Keyword(s):  
Quality Control ◽  
Reference Material ◽  
Proficiency Testing ◽  
Reference Materials ◽  
Certified Reference Material ◽  
Certified Reference Materials ◽  
Long Term Stability ◽  
Determining Factors ◽  
Chemical Section

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.

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