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Food Science and Technology International
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The use of calcite mineral thermoluminescence for the determination of previously received gamma radiation dose in foodstuffs/E1 uso de la termoluminiscencia de la calcita para la determinación de la dosis de radiación gamma de alimentos previamente irradiados

M. Urbina

Departamento de Química Agricola, Geología y Geoquímica, Facultad de Ciencias, Universidad Autónoma de Madrid, 28049 Cantoblanco, Spain

P. Beneitez

Departamento de Química Fisica Aplicada, Facultad de Ciencias, Universidad Autónoma de Madrid, 28049 Cantoblanco, Madrid, Spain

A. Millán

Departamento de Química Agricola, Geología y Geoquímica, Facultad de Ciencias, Universidad Autónoma de Madrid, 28049 Cantoblanco, Spain

T. Calderón

Departamento de Química Agricola, Geología y Geoquímica, Facultad de Ciencias, Universidad Autónoma de Madrid, 28049 Cantoblanco, Spain

This paper describes the potential use of calcite mineral dust as a high-dose radiation dosemeter. The results obtained show that saturation dose in natural calcite is of the order of 7 kGy. Measurements of absorbed dose, for samples previously irradiated with known gamma doses, showed a good level of agreement between actual doses and calculated doses, although the level of scatter is high.

Key Words: calcite • thermoluminescence • paleodose • food irradiation

Food Science and Technology International, Vol. 2, No. 4, 249-254 (1996)
DOI: 10.1177/108201329600200407
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