Category: Isotopes

Chromium 51

Half-life 27.7 Days Emitter Gamma Beta Energy 320 keV…

Carbon 14

Half-life 5730 Years Emitter Beta Beta Energy 156 keV Travel distance Air: 24 cm or 10 inches Water/Tissue: 0.28mm or 0.012 inches ( ~1% of 14C betas transmitted through dead skin layer, i.e. 0.007 cm depth) Plastic: 0.25mm or 0.25 inches Annual Intake Limit Inhalation: 2000 µCi Ingestion: 2000 µCi Detection Portable Survey Meters: Geiger-Mueller…