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Ionizing radiation

Ionizing radiation

No.	Service	Remarks
1	Calibration of ionization chambers (dose calibrators) used in nuclear medicine	Traceability for the following radionuclides: ¹⁸F, ⁶⁷Ga, ⁹⁰Y, ^99mTc, ¹¹¹In, ¹²³I, ¹²⁵I, ¹³¹I, ¹³⁷Cs, ¹⁵³Sm, ¹⁷⁷Lu, ²⁰¹Tl, ²²³Ra
2	Calibration of radiometers (gamma-ray spectrometers)	Atomtex AT1320, BRIGHTSPEC, and equivalent
3	Calibration of dose rate meters (monitors)	Rados RDS-30, RaySafe, Atomtex AT1125, and equivalent; up to 5 points
4	Calibration of surface contamination meters	Contamat and equivalent; up to 5 points
5	Calibration of sources of ionizing radiation	β, γ, α emitters / point and plate (e. g., disk-shaped) sources
6	Determination of activity concentration of radionuclides in water	γ emitters; performed from 2 litres
7	Determination of bulk activity of tritium in water	Performed from 0.5 litre
8	Determination of activity concentration of radio-carbon (¹⁴C) in water	Performed from 1 litre; prices for other matrices – up to agreement
9	Determination of activity concentration of radio-nickel (⁶³Ni) in water	Performed from 1 litre; prices for other matrices – up to agreement
10	Determination of activity concentration of radio-strontium (^89/90Sr) in water	Performed from 1 litre; prices for other matrices – up to agreement
11	Determination of activity concentration of plutonium (²³⁸Pu, ^239/240Pu) in water	Performed from 5 litres; prices for other matrices – up to agreement
12	Production of a sample for testing	Ash of bio-fuel, bio-fuel (chipped wood), and other matrices
13	Production of an unquenched scintillating solution in the standard geometry of an LSC vial	³H, ¹⁴C, ³⁶Cl, ⁶³Ni, ⁹⁰Sr+⁹⁰Y, ⁹⁹Tc, ¹²⁹I, ¹³⁷Cs
14	Calibration of a gamma-ray spectrometer with an HPGe detector	In the range of 46.5 keV – 2615 keV for a selected geometry
15	Calibration of a liquid scintillation counter (spectrometer)	³H, ¹⁴C, ³⁶Cl, ⁹⁰Sr+⁹⁰Y, ⁹⁹Tc
16	Calibration of an alpha- spectrometer	²³⁴U, ²³⁸U, ²⁴¹Am, ²⁴²Pu

Uncertainties for the measurements with capabilities declared in the Key comparison database of BIPM can be found via this link. Having selected the entries of interest (or having pressed the button „SELECT ALL“), press the button „EXPORT XLS“.

Upon the customer’s request, corrections to the operation of the customer’s device may be introduced, if possible.

To order a calibration or another service, please contact the head of the Ionizing Radiation Metrology Laboratory, Mr. Arūnas Gudelis, phone: +370 5 264 4855, +370 620 17793.