Apparently, the diffusion coefficient is delicate to impurities or structural concerns during the crystal, but That continues to be to get quantified. For our tough estimates of time at temperature needed to take out the hydrogen from our samples, the hydrogen diffusion coefficient picked is always that provided by Belonoshko https://dmozbookmark.com/story18123330/new-step-by-step-map-for-natural-pukhraj-from-sri-lanka