The study determines nickel concentration in French wines and grapes a
nd traces possible sources of contamination in wine using graphite fur
nace atomic absorption spectrometry. The standard additions method was
used to verify the accuracy of the method. The precision and accuracy
were tested to confirm the reliability of this method. Ni concentrati
ons ranged from 5.4 to 87.9 mu g/L in red wine, from 7.5 to 74.5 mu g/
L in white wine, from 19.5 to 24.6 mu g/L in rose wine, and from 8.9 t
o 26.9 mu g/L in Champagne. Ni concentration in grapes ranged from 4.2
to 94.0 mu g/kg. For a given vineyard and winery, Ni concentration in
wine increased with the period of storage suggesting Ni contamination
from stainless steel storage tanks and Ni-containing pigments of bott
les during the storage of wines. Total Ni daily dietary intake for fre
nch population from wine consumption was calculated to be 4.37 mu g/da
y/resident. The daily contribution of Ni from wine in dietary intake m
ay be as high as 7%.