The Lindner contact method was used to study the diffusion of 85Sr and 89Sr in samples which were doped with 0.2mol%SrCl2 (figure 17).
Kinetics of Precipitation of Supersaturated KCl-SrCl2 Crystals. W.Rogalla, H.Schmalzried: Berichte der Bunsengesellschaft für Physikalische Chemie, 1968, 72[5], 615-9