byproducts: P, N2, CO; Heating (1000°C, 17 h, Ar or N2) intimately ground mixt. of starting materials in molar ratio NaCN:BPO4 between 1.714 and 2.; Removal of soluble compd. by washing a fraction of light-colored products with hot (80°C) H2O and then with acetone followed by drying of residues (120°C). XRD and EDX for solids, and Raman spectroscopy for solids and aliquots of aq. ext.;
参考文献
Journal of the American Ceramic Society, , vol. 69, # 5 p. c. 95-c. 97
