Evidently, the diffusion coefficient is delicate to impurities or structural issues within the crystal, but That is still to become quantified. For our tough estimates of time at temperature required to eliminate the hydrogen from our samples, the hydrogen diffusion coefficient picked out is specified by Belonoshko et al. (2004), https://thebookmarkage.com/story18037873/natural-pukhraj-from-sri-lanka-things-to-know-before-you-buy