Praseodymium arsenate

Praseodymium arsenate
Identifiers
CAS Number	15479-86-4 ;
Properties
Chemical formula	PrAsO4
Appearance	solid
Solubility in water	insoluble
Related compounds
Other anions	Praseodymium(III) nitrate; Praseodymium(III) phosphate; Praseodymium(III) antimonate; Praseodymium(III) bismuthate; Praseodymium(III) carbonate
Other cations	PrAsO4
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Praseodymium arsenate is the arsenate salt of neodymium，with the chemical formula of PrAsO₄. It has good thermal stability. Its ferroelectric transition temperature is 52°C.

Praseodymium arsenate be prepared by reacting sodium arsenate (Na₃AsO₄) and praseodymium chloride (PrCl₃) in a solution:^[1]

Na₃AsO₄ + PrCl₃ → 3 NaCl + PrAsO₄↓

The product can also be obtained by reacting hexapraseodymium undecoxide and diammonium hydrogen arsenate in hot dilute nitric acid in a stoichiometric ratio.

References

^ Gabisoniya, Ts. D.; Nanobashvili, E. M.. Synthesis of rare earth metal arsenates{{Country data {{{1}}} | flag link/core | variant = | size = | name = | altlink = national rugby union team | altvar = rugby union}}. Soobshcheniya Akademii Nauk Gruzinskoi SSR (1980), 97(2), 345-8. ISSN:0002-3167

[1] Gabisoniya, Ts. D.; Nanobashvili, E. M.. Synthesis of rare earth metal arsenates{{Country data {{{1}}} | flag link/core | variant = | size = | name = | altlink = national rugby union team | altvar = rugby union}}. Soobshcheniya Akademii Nauk Gruzinskoi SSR (1980), 97(2), 345-8. ISSN:0002-3167

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