GAS GC-IMS-SILOX, User Manual

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19.5 Ionization Source Specifications
The permission and exemption limits are regulated by the Radiation
Protection Ordinance and the European Union Council Directive
2013/59/EURATOM in accordance with the regulations of the
International Atomic Energy Authority (IAEA).
Source Type Tritium H 3 , Solid-state bonded
Activity Below the exempt limit of 1 GBq for tritium acc. to, Table
B (column 2) of Article 26 of the Directive 2013/59
EURATOM of December 5
th
, 2013
Radiation Type β
-
-Radiation
Radiation Energy Average energy: 5.68 keV
Maximum energy: 18.7 keV
Full Duration Half Maximum
(FDHM) 12.3 years
Brake Radiation 2 x 10
-7
(mSv / h x GBq)
H
Brake
= A x h
Br
x (1m / r) 2
hBr = 0.257 x 10 -4 x (E βmax / MeV) x 2
Attenuation of Radiation Air: 4 mm
Water: < 100 µm
Tissue: < 100 µm
Below the exemption limit of a dose rate of 1 µSv/h at a
distance of 0.1 m from any accessible surface of the
apperatus acc. to Article 26, of the Directive 2013/59
EURATOM of December 5
th , 2013
Mounting Location and Type Fixed inside the device and not accessible from the
outside. The source cannot be accessed directly.