IN connexion with the half-life standardization of lutetium-176 (half-life = 2.2 × 2 10 yr.) a 1-g quantity of commercially available lutetium oxide was obtained having a purity of 99.9 per cent.

Although a short-lived radioisotope, its half-life of just under seven days is long enough to allow sophisticated preparation for use. It is usually produced by neutron activation of natural or ...

Although a short-lived radioisotope, its half-life of just under seven days is long enough to allow sophisticated preparation for use. It is usually produced by neutron activation of natural or ...