Patent Number: 040597695
Section: claims

1. A radiation source for Mossbauer investigations of tellurium compounds consisting of 5MgO.Te.sup. 125m O.sub.3. 2. A starting material for a radiation source for Mossbauer investigations of tellurium compounds consisting of 5Mg O.Te.sup.124 O.sub.3. 3. The starting material as claimed in claim 2 wherein the starting material is formed according to the following equation Te.sup.124 + 3H.sub.2 O.sub.2 +5MgSO.sub.4 +10KOH.fwdarw.5MgO.Te.sup.124 O.sub.3 +5K.sub.2 SO.sub.4 +8H.sub.20, then the 5MgO.Te.sup.124 O.sub.3 is dried and calcined.