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EC number: 235-804-2
CAS number: 12767-90-7
Zinc and boron in feed and drinking water:
The average levels of zinc and boron in the feed samples analysed were
72 and 11 μg/g (ppm)
respectively. The median zinc level in the water samples analysed for
this study was 44 ng/mL (ppb) while boron was not detected in the water
samples. Although food and water consumption were not measured for each
animal, in general the daily feed and water consumption for a rat would
be 100 g/kg/day and 120 mL/kg/day respectively. At the measured element
levels, this would result in less than 2.5 % of the intake (nominal)
dose of zinc and less than 1 % of the intake dose of boron as coming
from feed and water. Therefore the zinc and boron levels contributed by
feed and drinking water in this study were considered negligible in
terms of TK analysis.
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