Committees responsible
National foreword
Guide
Introduction
1. Scope
2. Definitions
3. The role of reference materials in measurement
     science
4. Measurement uncertainty
5. Homogeneity of materials
6. General principles of certification
7. Certification by a definitive method
8. Certification by interlaboratory testing
9. Certification based on a metrological approach
Annex
A. Bibliography
Tables
1. ANOVA table
2. ANOVA table
3. Trace elements in milk
4. Results of analyses of olive-tree leaves
5. Determination of pesticides in powdered milk spiked
     with certain compounds
Figures
1. An example of results of measurements by two
     operators using two instruments on eight different
     days
2. Histogram of the frequency (number of ampoules)
     versus the ratio of the activity of 137 Cs standards
     to a radium reference standard (RRS20)
3. Schematic diagram of the process of preparation and
     certification of an RM by interlaboratory consensus
4. Schematic diagram for statistical evaluation of
     interlaboratory results for certification of an RM
5. Experimental scheme for an interlaboratory programme
6. Results of the first and second intercomparison of
     analyses of carbon monoxide in nitrogen
7. Evolution of results in successive intercomparisons
     for the determination of aflatoxin in milk powder
8. Results of individual laboratories for oxygen/nickel
     ratio
9. Determination of cortisol in reconstituted human
     serum
10. a) Successive results for the determination of
         gamma-glutamyltransferase in albumin: First and
         second intercomparisons
     b) Successive results for the determination of
         gamma-glutamyltransferase in albumin: Final
         campaign