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Selected Calibration Number Update

May 15, 2018
TECHNICAL BULLETIN
SELECTED CALIBRATION NUMBER UPDATE
Based on review of the most recent referenced NIST publications and metrology data, Capintec is updating the following nominal dose calibrator calibration numbers. Note that the default values provided are for the NIST SRM geometry. The SRM is approximately 5 ml of solution in a flame sealed glass ampoule, with 0.6 mm wall thickness. The ampoule geometry provides a good approximation for both vials and syringes for most isotopes. The Ge-68 mock syringe data in the NIST publication is listed below for the convenience of our users.

12 atm CRC-PC Smart Chamber HL, CRC 55tR, CRC 55tW, CRC 25R, and CRC 15R
Isotope Geometry OLD CAL # NEW CAL # VARIANCE
F-18 SRM ampoule 472 450 4.1%
Ga-68 SRM ampoule 416 442 -5.1%
Ga-68 syringe** 447
Ba-133 SRM ampoule 591 626 -4.7%
Cs-137 SRM ampoule 220 227 -2.2%
** 3 ml of epoxy fill in mock Ge 68 6 ml syringe

5 atm CRC-PC Smart Chamber RPh, CRC 55tPET, CRC 25PET, and CRC 15PET
Isotope Geometry OLD CAL # NEW CAL # VARIANCE
F-18 SRM ampoule 480 455 4.8%
Ga-68 SRM ampoule No listing 448
Ga-68 syringe** 451
Ba-133 SRM ampoule 674 650 3.0%
** 3 ml of epoxy fill in mock Ge 68 6 ml syringe

Information or how to change calibration numbers is provided in the Owner Manuals. For convenience, those sections of the Manuals are posted on the Capintec website and also available from technical support.
If you have any questions, please do not hesitate to contact Capintec’s technical support.
Capintec Technical Support

CRC-55t R-PET Chamber Manual - changing calibration settings

CRC-25R Manual - Calibration Settings

CRC-15R Manual - Changing Calibration Settings

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