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Praseodymium(III) phosphate
Identifiers
ECHA InfoCard
100.034.740
EC Number
InChI=1S/H3O4P.Pr/c1-5(2,3)4;/h(H3,1,2,3,4);/q;+3/p-3
Key: KDCUNMWWJBHRSC-UHFFFAOYSA-K
[O-]P(=O)([O-])[O-].[Pr+3]
Properties
O 4 P Pr
Molar mass
235.877 g·mol−1
Appearance
solid
Hazards
GHS labelling :
[1]
Warning
H315 ,
H319 ,
H335
P261 ,
P264 ,
P264+P265 ,
P271 ,
P280 ,
P302+P352 ,
P304+P340 ,
P305+P351+P338 ,
P319 ,
P321 ,
P332+P317 ,
P337+P317 ,
P362+P364 ,
P403+P233 ,
P405 ,
P501
Except where otherwise noted, data are given for materials in their
standard state (at 25 °C [77 °F], 100 kPa).
Chemical compound
Praseodymium(III) phosphate is an
inorganic compound with the
chemical formula PrPO4 .
Preparation
Praseodymium(III) phosphate hemihydrate can be obtained by reacting
praseodymium chloride and
phosphoric acid :
[2]
PrCl3 + H3 PO4 → PrPO4 + 3 HCl
It can also be produced by reacting
silicon pyrophosphate (SiP2 O7 ) and
praseodymium(III,IV) oxide (Pr6 O11 ) at 1200 °C.
[3]
Properties
Praseodymium(III) phosphate forms light green crystals in the
monoclinic crystal system , with
space group P21 /n and cell parameters a = 0.676 nm, b = 0.695 nm, c = 0.641 nm, β = 103.25°, Z = 4.
[4]
[5]
It forms a crystal hydrate of the composition PrPO4 ·n H2 O, where n < 0.5, with light green crystals of
hexagonal crystal system , space group P62 22 , and cell parameters a = 0.700 nm, c = 0.643 nm, Z = 3.
[6]
[7]
Praseodymium(III) phosphate reacts with
sodium fluoride to obtain Na2 PrF2 (PO4 ).
[8]
PrPO4 + 2 NaF → Na2 PrF2 (PO4 )
References
^
"Praseodymium(III) phosphate" . pubchem.ncbi.nlm.nih.gov .
^ Hikichi, Yasuo; Hukuo, Ken-iti; Shiokawa, Jiro (Dec 1978).
"Syntheses of Rare Earth Orthophosphates" . Bulletin of the Chemical Society of Japan . 51 (12): 3645–3646.
doi :
10.1246/bcsj.51.3645 .
ISSN
0009-2673 .
^ Carlos E. Bamberger, George M. Begun, Dale E. Heatherly (Nov 1983).
"Synthesis of Metal Phosphates Using SiP2O7" . Journal of the American Ceramic Society . 66 (11): c208–c209.
doi :
10.1111/j.1151-2916.1983.tb10575.x .
ISSN
0002-7820 . Retrieved 2022-03-06 . {{
cite journal }}
: CS1 maint: multiple names: authors list (
link )
^ Garkavi, Andrey Vladimirovich (2023),
"How to Draw Up and Complete a Dissertation, 2nd ed., revised and enlarged" , How to Draw up and Complete a Dissertation, 2nd ed., revised and enlarged , OOO "GEOTAR-Media" Publishing Group, pp. 1–80,
doi :
10.33029/9704-7930-8-hdc-2023-1-80 ,
ISBN
978-5-9704-7930-8 , retrieved 2023-12-06
^ Horchani-Naifer, K.; Férid, M. (2009-04-20).
"Crystal structure, energy band and optical characterizations of praseodymium monophosphate PrPO4" . Inorganica Chimica Acta . 362 (6): 1793–1796.
doi :
10.1016/j.ica.2008.08.021 .
ISSN
0020-1693 .
^
Инязовские чтения. Сборник научных статей Первой международной научно-практической конференции Совета молодых ученых МГЛУ (in Russian). Москва: Московский государственный лингвистический университет. 2022.
doi :
10.52070/978-5-00120-359-9_2022 .
ISBN
978-5-00120-359-9 .
^ Hezel, A.; Ross, S. D. (1967-08-01).
"X-ray powder data and cell dimensions of some rare earth orthophosphates" . Journal of Inorganic and Nuclear Chemistry . 29 (8): 2085–2089.
doi :
10.1016/0022-1902(67)80469-X .
ISSN
0022-1902 .
^ 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).
doi :
10.1002/chin.199508015 .
ISSN
0931-7597 .
Pr(II) Pr(III)
Pr(III,IV) Pr(IV) Pr(V)