Citation: Lamire, M; Labbe, P; Goreaud, M; Raveau, B (1987). Na(x) P4 W14 O50: The sodium m=7 member of the monophosphate tungsten bronze series A(x)(P O2)4 (W O3)2m. Journal of Solid State Chemistry, 66, pp. 64-72.
Formula: Na1.7 O50 P4 W14
Chemical name:Sodium phosphate tungstate (1.7/4/14)