Canned food samples made from different kinds of
fruit vegetables, and fish, were purchased at local markets
and, analyzed. Each sample was analyzed six times and the
relative standard deviation in repeatability conditions was
calculated. Tin concentrations. In canned foods can vary
considerably between individual cans in the same produc -
tion batch. Therefore tin concentrations,, Were measured in
.Three separate cans from the same batch for each product
sampled and the, average tin concentration for the three
cans. Was used to determine repeatability relative standard
. Deviations (RSD).
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