Citation: Broom, Lucy; Clarkson, Guy J.; Guillou, Nathalie; Hooper, Joseph; Dawson, Daniel; Tang, Chiu; Ashbrook, Sharon Elizabeth; Walton, Richard I. (2017). A Gel Aging Effect in the Synthesis of Open-Framework Gallium Phosphates: Structure Solution and Solid-State NMR of a Large-Pore, Open-Framework Material. Dalton Transactions, , pp. -.