A set of measurements have been carried out in order to determine the activity-levels in some powdered milks available in Tunisia. The study has shown that the average activity is… Click to show full abstract
A set of measurements have been carried out in order to determine the activity-levels in some powdered milks available in Tunisia. The study has shown that the average activity is about 160 ± 19 and 2.26 ± 0.5 Bq/kg respectively for 40K and 137Cs, whereas it is below the detection limit for 226Ra and 232Th. The mean annual ingestion dose is about 102 and 225 $$\upmu\,{\text{Sv}}/{\text{y}}$$μSv/y for respectively ≤ 1 year and 1–2 years old infants. The calculation of the radiological risk show that no significant threat on the infant’s health due to consumption of these milks.
               
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