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Neodymium molybdate
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Neodymium molybdate
Neodymium molybdate
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Neodymium molybdate
Neodymium molybdate
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Neodymium molybdate
Neodymium molybdate
Identifiers
3D model (JSmol)
  • InChI=1S/3Mo.2Nd.12O/q;;;2*+3;;;;;;;6*-1
    Key: YKCRURZFHCSIBB-UHFFFAOYSA-N
  • [Nd+3].[Nd+3].[O-][Mo](=O)(=O)[O-].[O-][Mo](=O)(=O)[O-].[O-][Mo](=O)(=O)[O-]
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).

Neodymium molybdate is an inorganic compound, with the chemical formula of Nd2(MoO4)3.

Preparation

[edit]

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]

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

[edit]
  1. ^ a b Q Huang; J Xu; W Li (March 1989). "Preparation of tetragonal defect scheelite-type RE2(MoO4)3 (RE=La TO Ho) by precipitation method". Solid State Ionics. 32–33: 244–249. doi:10.1016/0167-2738(89)90228-2. Retrieved 2022-07-02.
  2. ^ 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. ISSN 0044-457X.
  3. ^ 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. ISSN 0002-337X.
  4. ^ 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.
  5. ^ 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.
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