The Thallium-204 solid disk sources are designed for use as reference sources. The half life is 3.783 years. Each source is constructed using a ... more info

The Zinc-65 solid disk sources are designed for use as reference sources. The half life is 253.9 days. Each source is constructed using a Plexiglas ... more info

The P-210 solid disk sources are designed for use as reference sources. Half-life is 138.7 days. Each source is constructed using a Plexiglas disk. ... more info

The Sr-90 solid disk sources are designed for use as reference sources. Half life is 28.79 years. Each source is constructed using a Plexiglas disk. ... more info

The Na-22 solid disk sources are designed for use as reference sources. Half life is 2.601 years. Each source is constructed using a Plexiglas disk. ... more info

The Europium-152 solid disk sources are designed for use as reference sources. the half life is 13.52 years. Each source is constructed using a ... more info

Includes two active disc sources, one blank This set is used for determining the resolving time of GM Counters. It consists of three half discs, two ... more info

Includes three disc sources The RSS-3 contains 1 each Po-210, Sr-90 and Co-60 emitting a range of alpha, beta and gamma radiations. This set is ideal ... more info

Includes five disc sources Containing 1 each Cs-137, Co-60, Sr-90, Tl-204 and Po-210, the RSS-5 provides a wide of alpha, beta and gamma emissions ... more info

Designed for gamma spectroscopy, the RSS-8 contains eight different gamma emitting isotopes covering the entire energy range from 32 to 1333 keV. ... more info