Source google image: https://www.researchgate.net/profile/Masashi_Tsuge/publication/262981366/figure/fig9/AS:667113568079874@1536063677068/FTIR-difference-spectra-showing-from-top-to-bottom-the-results-of-annealing-at-40-K-of_Q320.jpg
H 2 o isolation
Source google image: https://www.researchgate.net/profile/Masashi_Tsuge/publication/262981366/figure/fig9/AS:667113568079874@1536063677068/FTIR-difference-spectra-showing-from-top-to-bottom-the-results-of-annealing-at-40-K-of_Q320.jpg