Standard Capsule Designs.

Yb-169Activity Tolerance

± 15% from nominal.

Recommended Working Life

See Technical Information section.

Only typical sources are listed; inquiries are invited for alternative capsule designs and activities.

Yb-169 has significant X-ray emissions between 49keV and 59keV, in addition to gamma emissions from 63keV up to 308keV. The activity is in a stable, homogeneous active element.

3603 capsule

Double-encapsulated aluminum source. ISO rating: C43333.