... Abstract The universal cascade MGU-DETRA (Multispeciuos Gas separator Upgrader to get ultraenriched DEuterium and TRitium by cryogenic Adsorption) was developed at the Chemical Department of Moscow University in the early 1980-s to satisfy the growing needs in individual dihydrogens ( p -H 2 , o- H 2 , p- D 2 , o- D 2 , p-, o- T 2 , HD, HT, DT) of high and ultrahigh purity in various fundamental and applied research areas. ... Moscow University Chemistry Bulletin . 2003, Vol. ... 5, P. 299 . ...