Borophosphates: Hydrothermal and Microwave-Assisted Synthesis of Na5[B2P3O13]

Author： Hauf C.   Yilmaz A.   Kizilyalli M.   zur Loye R.H.  

Publisher： Academic Press

ISSN： 0022-4596

Source： Journal of Solid State Chemistry, Vol.140, Iss.1, 1998-10, pp. : 154-156

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Abstract

Na5[B2P3O13] was first prepared by high temperature synthesis (Tmax=780°C) and was characterized by X-ray single crystal investigations recently. We have now succeeded in the hydrothermal synthesis of the compound and obtained single-phase products at 150°C after 1–2 days. A microwave-assisted synthesis takes only 2 min to transform a solid mixture of borate and phosphate hydrates into the crystalline title compound. Pure Na5[B2P3O13] melts at 747°C and solidifies during cooling by formation of a homogeneous glass.

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