A study was made of the absorption of H in molten Fe by using an unsteady-state method. The data for temperatures ranging from 1565 to 1723C could be described by:

D (cm2/s) = 2.46 x 10-3 exp[-3.7(kcal/mol)/RT]

M.Y.Solar, R.I.L.Guthrie: 99th AIME Annual Meeting (Denver, 1970)