The Medinuclear/Marketlab-HEGL-0136 Point Source Na22 • 100uCi is a sealed radioactive reference source designed specifically for use with Philips Gemini PET imaging systems. This Sodium-22 (Na22) point source is used for system calibration, normalization, and quality assurance procedures in nuclear medicine and molecular imaging departments.Manufactured for precision and long-term stability, the HEGL-0136 source delivers consistent emission characteristics, ensuring accurate performance verification of PET detectors. Supplied as 1 each, it is ideal for routine QC protocols in hospitals, imaging centers, and research facilities.