Neodymium molybdate
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3D model (JSmol)
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CompTox Dashboard (EPA)
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| Properties | |
| Nd2(MoO4)3 | |
| Appearance | blue solid[1] |
| insoluble[citation needed] | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Neodymium molybdate is an inorganic compound, with the chemical formula of Nd2(MoO4)3.
Preparation
[edit | edit source]It can be prepared by reacting neodymium oxide and molybdenum trioxide at a high temperature:[2]
- Nd2O3 + 3MoO3 → Nd2(MoO4)3
It can also be prepared by reacting neodymium nitrate and (NH4)6Mo7O24, treating the obtained precipitate at a high temperature.[1]
Properties
[edit | edit source]It reacts with sodium molybdate at a high temperature to obtain NaNd(MoO4)2.[3] It reacts at roughly 350°C to 700°C with hydrogen sulfide to obtain neodymium sulfide and molybdenum disulfide.[4] At roughly 780K to 870K, it can be reduced by hydrogen to obtain Nd2Mo3O9.[5]
References
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- ^ Rode, E. Ya.; Lysanova, G. V.; Kuznetsov, V. G.; Gokhman, L. Z. Synthesis and physicochemical study of rare earth molybdates. Zhurnal Neorganicheskoi Khimii, 1968. 13 (5): 1295-1302. Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value)..
- ^ Mokhosoev, M. V.; Get'man, E. I.; Kokot, I. F. Double sodium-neodymium molybdates. Izvestiya Akademii Nauk SSSR, Neorganicheskie Materialy, 1969. 5 (6): 1107-1112. Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value)..
- ^ Yampol'skaya, V. V.; Serebrennikov, V. V. Interaction of rare earth molybdates with hydrogen sulfide at elevated temperatures. Tr. Tomsk. Univ., 1973. 240: 86-89. CAN80: 140751.
- ^ Gopalakrishnan, Jagannatha; Manthiram, Araumugam. Topochemically controlled hydrogen reduction of scheelite-related rare earth metal molybdates. Journal of the Chemical Society, Dalton Transactions: Inorganic Chemistry (1972-1999), 1981. 3: 668-672.