Purchasing Radioactive Materials Overview

All requisitions for the purchase of radioactive materials and radiation devices must be approved by the SJSU radiation safety officer before submission to the Research Foundation. Purchases of items will be screened and handled as radioactive material if they contain mass numbers or radiation measurement units.

Mass Numbers and
Radiation Measurement Units Table
Isotope X-Ray
Nuclide Active/labeled
Radiation Tritium
Activation Irradiator
Radioisotope Irradiated
Radionuclide Generator

 

Radiation Measurement Unit Table
Term Abbreviation
Kilobecquerel kBq
Megabecquerel

MBq

Microcurie

µCi

Millicurie

mCi

Millirem

mrem

Roentgen R