Fig. 6: In situ 1H NMR spectra of rehydrated Mg/Al-LDO. | Nature Communications

Fig. 6: In situ 1H NMR spectra of rehydrated Mg/Al-LDO.

From: Insights into memory effect mechanisms of layered double hydroxides with solid-state NMR spectroscopy

Fig. 6

a 2D in situ 1H MAS NMR spectra of rehydrated Mg/Al-LDO (mass ratio of LDO to D2O is 1:1). The 1D spectrum shown on top corresponds to a rehydration time of 2 min. Each spectrum during rehydration time t = 2−10 min, 10 −60 min and 2−8 h takes ~2 min, 10 min and 1 h to collect, respectively, by adjusting the acquisition numbers. b Overlay of in situ 1H MAS NMR spectra in (a) in the range of 0 −4.5 ppm with t = 10−60 min along with the corresponding spectral assignments. c Overlay of in situ 1H MAS NMR spectra in (a) in the range of 4−7 ppm with t = 10 − 60 min. d Overlay of in situ 1H MAS NMR spectra in (a) in the range of 4−7 ppm with t = 1−8 h.

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