Abstract

The purpose of this study was to determine total fluoride in powdered milk for babies. We determined fluoride in the diffusates of ashed samples using an ion-specific electrode.The 74 blanks observed in this study contained 0.10±0.10μg of fluoride (M±SD). Mean recovery for analysis determined by adding 0.1-1.0μg of fluoride was 94%. Coefficients of variance in recovery test and in repeated analysis ranged from 5 to 13%, 4 to 8%, respectively.The total fluoride content of powdered milk ranged from 0.22 to 0.40ppm.

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