Encrustation Prevention of Zirconium Molybdate Hydrate

2018 ◽  
Vol 41 (6) ◽  
pp. 1199-1204 ◽  
Author(s):  
Takahiro Arai ◽  
Daiyu Ito ◽  
Izumi Hirasawa ◽  
Yasunori Miyazaki ◽  
Masayuki Takeuchi
Keyword(s):  
Zirconium Molybdate

A Spectroscopic Study of the Dissolution of Cesium Phosphomolybdate and Zirconium Molybdate by Ammonium Carbamate

2005 ◽  
Vol 34 (4) ◽  
pp. 443-468 ◽  
Author(s):  
Jun Jiang ◽  
Iain May ◽  
Mark J. Sarsfield ◽  
Mark Ogden ◽  
Danny O. Fox ◽  
...  
Keyword(s):  
Spectroscopic Study ◽  
Ammonium Carbamate ◽  
Zirconium Molybdate

scholarly journals Chemical, microbial and biological studies on fresh mango juice in presence of nanoparticles of zirconium molybdate embedded chitosan and alginate

2021 ◽  
Vol 14 (4) ◽  
pp. 103066
Author(s):  
Ahmed A. Aly ◽  
Ismail M. Ali ◽  
M. Khalil ◽  
Ahmed M. Hameed ◽  
Abdulmajeed F. Alrefaei ◽  
...  
Keyword(s):  
Biological Studies ◽  
Zirconium Molybdate ◽  
Mango Juice

Crystal Data for Two Molybdates MIV (MoO4)2 With MIV = Zr, Hf

1987 ◽  
Vol 2 (1) ◽  
pp. 36-38 ◽  
Author(s):  
M. Auray ◽  
M. Quarton ◽  
P. Tarte
Keyword(s):  
Phase Transition ◽  
Solid State ◽  
Crystal Data ◽  
Powder Diffraction Data ◽  
Automatic Indexing ◽  
Space Group ◽  
Reversible Phase Transition ◽  
Cell Dimensions ◽  
Zirconium Molybdate ◽  
Reversible Phase

AbstractTwo molybdates MIV (MoO4)2 (with MIV = Hf or Zr) were synthesized by solid state reaction between MIVO2 and MoO3. Zirconium molybdate undergoes a reversible phase transition at 952 K.Hf(MoO4)2 and H.T. Zr(MoQ4)2, obtained as single crystals, are trigonal, space group with Z = 6; the cell dimensions are respectively a = 10.1005(3), c = 11.7230(5)Å; V = 1035.76(11)Å3; Dm(298 K) = 4.78(4), Dx = 4.792 Mg m−3 and a = 10.1409(3), c = 11.7097(5)Å; V = 1042.88(11)Å3; Dm (298 K) = 3.91(4), Dx = 3.926 Mg m−3.L.T. Zr(MoO4)2, indexed by the Visser automatic indexing program (1969) was found to be monoclinic, possible space group P2, P21 or Pm with Z = 4; the cell dimensions are a = 9.7557(5), b = 7.9373(5), c = 7.4631(4)Å, β = 97.959°(5); V = 572.3(5)Å Dm(298 K) = 4.74(5), Dx = 4.770 Mg m−3. Powder diffraction data were obtained at 293 K on a counter diffractometer with Ni-filtered copper radiation ( = 1.5418 Å).

Solids Formation from Synthetic Fuel Reprocessing Solutions: Characterization of Zirconium Molybdate by ICP, XRF, and Raman Microprobe Spectroscopy

1986 ◽  
Vol 40 (3) ◽  
pp. 330-336 ◽  
Author(s):  
B. S. M. Rao ◽  
E. Gantner ◽  
H. G. Müller ◽  
J. Reinhardt ◽  
D. Steinert ◽  
...  
Keyword(s):  
Raman Spectra ◽  
X Ray Diffraction ◽  
Synthetic Fuel ◽  
Precipitation Decrease ◽  
Zirconium Molybdate ◽  
Raman Microprobe ◽  
Hydrated Zirconium ◽  
Diffraction Patterns ◽  
Almost All

Raman microprobe, ICP, and XRF techniques have been applied to characterize the solids precipitated from HNO3 solutions containing Zr and Mo under different solution conditions. The saturation yields of precipitation decrease linearly—in almost all cases—with increasing acid strength, and nearly complete precipitation of Mo occurs in 3-M HNO3 solutions; ionic strength does not seem to affect the yields. Raman spectra of the microparticles indicate that hydrated zirconium molybdate is the main product, except in solutions with large excess of Mo relative to Zr. Identification of the species formed in these solutions is made by comparison of the Raman spectra with the spectra of known compounds. X-ray diffraction patterns of hydrated and thermally treated zirconium molybdate are in accord with the reported crystallographic data.

Effect of Anti‐Encrustation Additives on Zirconium Molybdate Hydrate

2020 ◽  
Vol 43 (6) ◽  
pp. 1059-1064
Author(s):  
Risako Abe ◽  
Izumi Hirasawa ◽  
Yasunori Miyazaki ◽  
Masayuki Takeuchi
Keyword(s):  
Zirconium Molybdate
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