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Syringe calibration factors and volume correction factors for the NPL secondary standard radionuclide calibrator.

Tyler, D K; Woods, M J (2002) Syringe calibration factors and volume correction factors for the NPL secondary standard radionuclide calibrator. NPL Report. CIRM 56

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Abstract

The activity assay of a radiopharmaceutical administration to a patient is normally achieved via the use of a radionuclide calibrator. Because of the different geometries and elemental compositions between plastic syringes and glass vials, the calibration factors for syringes may well be significantly different from those for the glass containers. The magnitude of these differences depends on the energies of the emitted photons. For some radionuclides variations have been observed of 70 %, it is therefore important to recalibrate for syringes or use syringe calibration factors.
Calibration factors and volume correction factors have been derived for the NPL secondary standard radionuclide calibrator, for a variety of commonly used syringes and needles, for the most commonly used medical radionuclide.

Item Type: Report/Guide (NPL Report)
NPL Report No.: CIRM 56
Keywords: ionisation chambers, measurements
Subjects: Ionising Radiation
Last Modified: 02 Feb 2018 13:17
URI: http://eprintspublications.npl.co.uk/id/eprint/2533

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