# Commission Regulation (EC) No 2870/2000 of 19 December 2000 laying down Community reference methods for the analysis of spirits drinks, Division 8: Method performance characteristics (precision)

Extent: E+W+S+N.I.

Statistical results of the interlaboratory test:
the following table give the values for glycyrrhizic acid.
The following data were obtained from an international method performance study carried out to internationally agreed procedures.
Year of interlaboratory test
1998
Number of laboratories
16
Number of samples
5
Analyte
glycyrrhizic acid
Samples
A
B
C
D
F
Number of laboratories retained after eliminating outliers
13
14
15
16
16
Number of outliers (laboratories)
3
2
1
—
—
Number of accepted results
26
28
30
32
32
Mean value g/l
0,046
0,092
(*) 0,099
0,089
0,249
0,493
Repeatability standard deviation (S r ) g/l
0,001
0,001
0,001
0,002
0,003
Repeatability relative standard deviation (RSD r ) (%)
1,5
1,3
0,7
1,0
0,6
Repeatability limit (r) g/l
0,002
0,004
0,002
0,007
0,009
Reproducibility standard deviation (S R ) g/l
0,004
0,007
0,004
0,006
0,013
Reproducibility relative standard deviation (RSD R ) (%)
8,6
7,2
4,0
2,5
2,7
Reproducibility limit (R) g/l
0,011
0,019
0,01
0,018
0,037
Sample types:
A pastis, blind duplicates
B pastis, split levels (*)
C pastis, blind duplicates
D pastis, blind duplicates
E pastis, blind duplicates

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Source: https://www.legislation.gov.uk/eur/2000/2870/annex/division/VI/division/8 (the official version)
Page: https://openlegislation.uk/eu-regulation-2000-2870/annex/division-VI/division-8
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.