Infrastructure Centre for Ionizing Radiation Measurements (ICMIS)
Secondary Standard Dosimetry Laboratory (F2)
Activities: irradiations and calibrations of the dose, dose rate and surface contamination meters; intercomparisons
QA: Holder of the national standard for ionising radiation (for Sv, Gy units), Accreditation according to standard ISO/IEC 17025:2017 since 2003
Equipment:
Cs-137 (325 GBq; 26 mGy/h @ 1 m)
Co-60 (2.4 GBq; 0.8 mGy/h @ 1 m)
Am-241 (175 GBq; 0.24 mGy/h @ 1 m)
2 X-ray systems: 15-320 kV and 2-60 kV
Large area sources (100 cm2, surface contamination)
Access: Personal contact; fostering in-vitro irradiations
Contact point: Boštjan Črnič (bostjan.crnic@ijs.si)
High resolution Gamma-ray Spectrometry Laboratory (F2)
Activities: determination of the activity concentrations of gamma-ray emitters in different media, intercomparisons
QA: National standard holder for ionising radiation (for the unit Bq),
Accreditation according to standard ISO/IEC 17025:2017 since 2003
Equipment:
In-house build DSP units with full control + multiple analysis tools merged together
9 HPGe detectors
Energy range from 5 to 3000 keV
Sensitivity for Cs-137 (from 0.2 µBq/m3 to 1.0 µBq/m3 (air); Water samples: 0.1 Bq/m3)
During the measurement the aged LN2 is introduced inside the shield, aged for 2 weeks; overpressure; blanks are checked …
Stable conditions in the counting room are controlled, and (p, T, RH) data are used for Rn progeny activity concentration correction
Access: Personal contact; fostering low-level concentration measurements
Contact point: Toni Petrovič (toni.petrovic@ijs.si)
Liquid Scintillation Laboratory (F2)
Activities: Determination of:
Tritium (H-3) activity concentrations in water, urine, tissue fluids (TFWT);
Organically Bound Tritium (OBT) in biological samples;
Radiocarbon (C-14) in liquids, gases and solids;
Total activity of alpha and beta emitters (GAB) in water samples;
Preparation of Proficiency Tests (PT) and CRM samples;
Intercomparisons
QA: Accreditation ISO/IEC 17025:2017 since 2003
Equipment:
3 Quantulus spectrometers
2 Electrolitic enrichment units
2 Parr bombs (high pressure reactors) forOBT, C-14 sample preparation
Access: Personal contact; fostering low-level concentration measurements
Contact point: Jasmina Kožar Logar (jasmina.logar@ijs.si)
Laboratory for dosimetry (F2)
Activities:
Provides dosimetry service for authorized users of ionizing radiation
Personal dosimetry
Environmental dosimetry
Authorized by Slovenian Radiation Protection Administration (SRPA) to run the dosimetric service
QA: Accreditation ISO/IEC 17025:2017 since 2003
Equipment:
2 TL readers
1 OSL reader
Access: Personal contact
Contact point: Klara Poiškruh (klara.poiskruh@ijs.si)
Different specialized laboratories for radiochemical research activities (O2)
Activities: Development of new methods for determination of radionuclides in different environmental matrices and radioactive waste, tracer experiments using radioactive tracers, production of radionuclides for theranostic applications
QA: Accreditation ISO/IEC 17025:2017 for Sr-90, H-3 and C-14
Equipment:
Fully equipped laboratories for work with open radioactive sources with access to TRIGA Mark II research reactor for irradiation
Alpha spectrometry
Gamma-ray spectrometry
LSC
MC-ICP-MS
ICP-QQQ-MS
Access: https://snetp.eu/offerr/
Contact point: Marko Štrok (marko.strok@ijs.si)