Interlaboratory comparative experiment SROK-2

Determination of Isotopic Composition and Concentration of Uranium and Boron by Thermal Ionization Mass Spectrometric Isotopic Dilution Technique

“…The sensitivity of the method varies from element to another, from a few g to 10 -3 gm or even less. In step with development of mass spectrometry, Isotopic dilution technique has found widespread application in solving complicated analytical problems, in the determination of geological age, in establishing yields of fission products and conditions of radioactive splitting and in studying a number of other nuclides as burn up monitors [13][14][15] for the burn up determination of the isotopic composition of fissile elements in the initial and irradiated fuel or the measurement of some stable fission products which serve as burn up monitors.…”