Dysprosium(III) phosphate explained

Dysprosium(III) phosphate is an inorganic compound with the chemical formula DyPO₄.

Preparation

Dysprosium(III) phosphate can be obtained by reacting dysprosium(III) oxide and ammonium dihydrogen phosphate at high temperature:^[1]

Properties

Dysprosium(III) phosphate decomposes into dysprosium oxyphosphate and phosphorus pentoxide above 1200 °C.^[2] It reacts with sodium fluoride to obtain NaDyFPO₄:^[3]

It reacts with sodium molybdate at high temperature to generate Na₂Dy(MoO₄)(PO₄):^[4]

Notes and References

1. Khadraoui . Z. . Bouzidi . C. . Horchani-Naifer . K. . Ferid . M. . Crystal structure, energy band and optical properties of dysprosium monophosphate DyPO 4 . Journal of Alloys and Compounds . Elsevier BV . 617 . 2014 . 0925-8388 . 10.1016/j.jallcom.2014.07.135 . 281–286.
2. Rouanet, A.; Serra, J. J.; Allaf, K.; Coutures, J.; Dexpert, H. Thermal decomposition of rare earth orthophosphates in air above 1200°C. Reactions and characterization of new solid phases. Revue Internationale des Hautes Temperatures et des Refractaires, 1980. 16 (4): 437-443. .
3. ZIMINA . G. V. . SMIRNOVA . I. N. . GORKOVENKO . M. YU. . SPIRIDONOV . F. M. . KOMISSAROVA . L. N. . KALOEV . N. I. . 1995-02-21 . ChemInform Abstract: Synthesis and Studies of Fluorophosphates of Rare Earth Elements Na2LnF2PO4. . ChemInform . 26 . 8 . 10.1002/chin.199508015 . 0931-7597.
4. Ryumin . M. A. . Komissarova . L. N. . Rusakov . D. A. . Bobylev . A. P. . Zhizhin . M. G. . Khoroshilov . A. V. . Gavrichev . K. S. . Danilov . V. P. . May 2007 . Synthesis and crystal structure of new complex sodium lanthanide phosphate molybdates Na2MIII(MoO4)(PO4)(MIII = Tb, Dy, Ho, Er, Tm, Lu) . Russian Journal of Inorganic Chemistry . 52 . 5 . 653–660 . 10.1134/s0036023607050014 . 101567788 . 0036-0236.