Designed for advanced science lessons, this Strontium-90 radioactive source enables safe and effective demonstrations of beta radiation for secondary schools and colleges. The cup type mount ensures secure handling and clear identification, making it suitable for practical experiments in atomic physics and radioactivity.

• Contains 5µCi (185 kBq) Strontium-90 in equilibrium with Yttrium-90
• Emits beta radiation only
• Half-life: 28 years (strontium), 64 hours (yttrium)
• Mounted in a metal foil within a cylindrical holder with a 4mm stem
• Protected by a wire gauze cap and colour coded (yellow) for safety
• Supplied in a labelled MDF storage box (100mm x 75mm x 65mm) with lead shielding