USING the apparatus already described (see NATURE, Mar. 22, vol. 125, p. 457; Rend. Ace. Lincei, vol. 11, p. 679), I was able to obtain good photograms of crystalline hydrogen iodide at about –170° C.
Recent advances in catalyst development have significantly improved the viability of the sulphur-iodine thermochemical cycle for sustainable hydrogen production. Key reactions within this cycle, ...