Fig. 1:

Determination of the parameters alcohol, total sugar and total SO2 according to the OIV methods as well as the measurement of copper content using AAS-ETA
| Sample | alcohol [% vol.] | sugar[g/l] | Total SO2 [mg/l] | Cu [μg/l |
|---|---|---|---|---|
| FM2016 | 12,1±0,1 | 1,6±0,1 | 187,0±6 | 262,0±7 |
| FM2020 | 12,6±0,2 | 2,3±0,2 | 149,0±4 | 195,0±6 |
| FM2021 | 12,5±0,1 | 2,8±0,2 | 163,0±5 | 251,0±7 |
| FM2022 | 12,8±0,2 | 3,3±0,3 | 173,0±5 | 295,0±8 |
| RV2007 | 11,9±0,1 | 4,0±0,3 | 111,0±4 | 183,0±6 |
| RR2016 | 12,4±0,1 | 1,9±0,2 | 109,0±4 | 218,0±4 |
| RR2020 | 12,7±0,2 | 2,5±0,2 | 114,0±4 | 248,0±6 |
| RR2021 | 12,5±0,2 | 3,3±0,2 | 95,0±5 | 221,0±7 |
| RR2022 | 12,4±0,2 | 4,5±0,3 | 123,0±5 | 255,0±8 |