Page 339 - Analytical method for food addtives
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and DOLT-2) agreed well with the reported reference values. Detection limit
The linearity of the calibration line as well as of different standard addition
Recovery 86.4–109.3 % (mean 98.6 %±5.2 %) Detection limit 0.5 µg/mL
The Al concentrations in biological reference materials (NRCC DORM-2
lines were very good within 0–60 µg Al/L. Detection limit in dried ocean
Recovery 83.3–100 % (mean 94.2 % ±8.1 %) Detection limit 6 µg/mL.
For 8-hydroxyquinoline extraction method 88.5–106.5 %
ng Al/g on a dry weight basis
perch fillet was 0.03 µg Al/g on a dry weight basis
Methods applied to commercially available foods
For AAS method 75–100 %
in samples of fish was 1
Recovery of spikes:
Detection limit 50 8 pg. Reliability of the pg; characteristic mass 18 procedure checked statistically comparing results with those obtained with a previous microwave mineralisation stage and by analysis of several CRMs. Calibration graph linear between 0 and 90 ng/mL. Repeatability RSD = 5.1 % (n=10) Al content of baby foods ran
For AAS method
For SO method
Precision of method established CRMs and validated with different types of baby food samples Precision of method established and applied to samples (n=10) Precision of method established and applied to fish tissue samples Precision of method established and applied to fish tissue samples Method applied to real samples
Baby foods Port wine Fish Fish Foods Foods
ETAAS ETAAS GFAAS GFAAS Spectro- scopic and FAAS Spectro- scopic and FAAS