Division 8.8 Gallic acidF1
United Kingdom
| Analyte | Gallic acid | |||||
|---|---|---|---|---|---|---|
| Sample | Whisky | Brandy | Rum | Cognac 1 | Bourbon | Cognac 2 |
| No of laboratories participating | 16 | 15 | 16 | 16 | 16 | 16 |
| No of results accepted (laboratories) | 15 | 14 | 16 | 16 | 16 | 16 |
| Mean value (mg/l) | 1,2 | 0,4 | 2,0 | 6,1 | 7,3 | 21,8 |
| Repeatability standard deviation, s r (mg/l) | 0,07 | 0,04 | 0,06 | 0,18 | 0,18 | 0,60 |
| Repeatability relative standard deviation, RSD r (%) | 6,1 | 8,1 | 2,9 | 3,0 | 2,4 | 2,8 |
| Repeatability limit, r (mg/l) (r = 2,8 × s r ) | 0,2 | 0,1 | 0,2 | 0,5 | 0,5 | 1,7 |
| Reproducibility standard deviation, s R (mg/l) | 0,43 | 0,20 | 0,62 | 3,3 | 2,2 | 7,7 |
| Reproducibility relative standard deviation, RSD R (%) | 36 | 47 | 31 | 53 | 30 | 35 |
| Reproducibility limit, R (g/l) (R = 2,8 × s R ) | 1,2 | 0,6 | 1,7 | 9,1 | 6,2 | 21,7 |