ARMONIZACIÓN EN DOSIMETRÍA INTERNA OCUPACIONAL
ARMONIZACIÃN EN DOSIMETRÃA INTERNA OCUPACIONAL
ARMONIZACIÃN EN DOSIMETRÃA INTERNA OCUPACIONAL
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Norma ISO 28218 “Performance criteria for radiobioassay”<br />
Límite de Detección (LD) y Umbral de Decisión (DT) – CRC - CIEMAT<br />
Counting System Tc(s) Radionuclide LD (Bq) DT (Bq)<br />
NaI(Tl) detector - Total Body 1200 Mn-54 (834 keV) 56,7 28<br />
Co-57 (122 keV) 70 34,7<br />
Co-60 (1173.2 keV) 55,7 27,4<br />
Y-88 (898 keV) 60,6 30<br />
Tc-99m (140.5 keV) 64,5 32<br />
Sn-113 (391.7) 82,9 41<br />
Cs-134 (798,9 keV) 60 29,6<br />
Cs-137 (661.7 keV) 66,9 33<br />
K-40 (1460 keV) 1390 692<br />
FASTSCAN Counter - Total body 300 Mn-54 (834 keV) 94 46,4<br />
Co-57 (122 keV) 201,2 100,1<br />
Co-60 (1173.2 keV) 94,5 46,6<br />
Y-88 (898 keV) 102,3 50,5<br />
Tc-99m (140.5 keV) 176,7 87,9<br />
Sn-113 (391.7) 156,1 77,4<br />
Cs-134 (798,9 keV) 96,1 47,5<br />
Cs-137 (661.7 keV) 109 53,9<br />
K-40 (1460 keV) 2144 1065<br />
NaI(Tl) det +collimator - 131 I in thyroid 1200 I-131 (364,5 keV) 18,4 9,1<br />
FASTSCAN - 131 I in thyroid 300 I-131 (364,5 keV) 51,7 25,6<br />
LE Ge detector - 131 I in thyroid 1200 I-131 (364,5 keV) 6,4 3,45<br />
LE Ge system - 241 Am in lungs (CWT= 3cm) 2700 Am-241 (59.54 keV) 7,7 3,7
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