Table 5.
Analysis of total arsenic (As), lead (Pb), and cadmium (Cd) in sample of commercial red and white wine.a
| Wine Type | Country of Origin | Sample Code | pH | Total As (μg/L) | Cd (μg/L) | Pb (μg/L) |
|---|---|---|---|---|---|---|
| Red | USA | W-2 | 3.7 | 4.1 ± 0.5 | 0.12 ± 0.004 | 1.9 ± 0.1 |
| Red | USA | W-6 | 3.4 | 5.4 ± 0.6 | 0.74 ± 0.02 | 2.5 ± 0.1 |
| Red | Argentina | W-8 | 3.7 | 6.9 ± 0.2 | 0.14 ± 0.01 | 8.1 ± 0.1 |
| Red | Spain | W-9 | 3.5 | 3.2 ± 0.1 | trace | 7.2 ± 0.9 |
| Red | Italy | W-10 | 3.6 | 2.6 ± 0.3 | 0.12 ± 0.01 | 5.0 ± 0.1 |
| Red | South Africa | W-12 | 3.5 | 1.8 ± 0.1 | 0.13 ± 0.01 | 21.0 ± 0.5 |
| Red | USA | W-13 | 3.7 | 7.7 ± 0.7 | 0.26 ± 0.02 | 4.4 ± 0.2 |
| Red | USA | W-15 | 3.7 | 6.0 ± 0.5 | 0.21 ± 0.01 | 8.3 ± 0.3 |
| Red | USA | W-16 | 3.7 | 4.2 ± 0.5 | 0.28 ± 0.03 | 8.7 ± 0.4 |
| Red | Australia | W-18 | 3.5 | 2.6 ± 0.4 | 0.24 ± 0.01 | 0.30 ± 0.05 |
| Red | Germany | W-19 | 3.2 | 3.5 ± 0.2 | 0.27 ± 0.03 | 19.8 ± 0.8 |
| White | Argentina | W-1 | 3.0 | 6.9 ± 0.6 | 0.22 ± 0.01 | 7.3 ± 0.3 |
| White | South Africa | W-3 | 3.4 | 4.9 ± 0.4 | 0.15 ± 0.01 | 12.2 ± 0.6 |
| White | USA | W-4 | 3.6 | 18.0 ± 0.1 | 1.1 ± 0.02 | 14.6 ± 0.2 |
| White | USA | W-5 | 2.9 | 5.0 ± 0.5 | 0.17 ± 0.01 | 11.8 ± 0.6 |
| White | USA | W-7 | 3.1 | 3.9 ± 0.5 | 0.16 ± 0.01 | 1.4 ± 0.04 |
| White | USA | W-11 | 3.3 | 11.1 ± 1.1 | 0.36 ± 0.01 | 5.3 ± 0.2 |
| White | France | W-14 | 3.3 | 5.1 ± 0.4 | 0.48 ± 0.03 | 23.4 ± 0.4 |
| White | USA | W-17 | 3.0 | 3.3 ± 0.5 | 0.27 ± 0.002 | 3.0 ± 0.8 |
| White | Italy | W-20 | 3.5 | 3.8 ± 0.1 | 0.17 ± 0.01 | 9.8 ± 0.7 |
a
Values are shown as mean ± SD (n = 3). Cd is reported for isotope 111. Pb is the summation of isotopes 206, 207, and 208. Trace is defined as concentrations above the LOD but above the LOQ.