Lutetium Pyrophosphate

Lutetium Pyrophosphate
Lutetium Pyrophosphate
General
Systematic ; name	Lutetium Pyrophosphate
Traditional names	Lutetium diphosphate; lutetium phosphate, pyro
Chem. formula	Lu 4 (P 2 O 7 ) 3
Physical properties
condition	colorless crystals
Molar mass	1221.70 g / mol
Chemical properties
Solubility in water	0.0102 g / 100 ml

Lutetium pyrophosphate is an inorganic compound, a salt of lutetium and pyrophosphoric acid with the formula Lu ₄ (P ₂ O ₇ ) ₃ , colorless crystals, insoluble in water.

Content

1 Receiving
2 Physical properties
3 Application
4 Literature

Getting

The exchange reaction of lutetium chloride and ammonium pyrophosphate :

{\mathsf {4LuCl_{3}+3(NH_{4})_{4}P_{2}O_{7}\ {\xrightarrow {}}\ Lu_{4}(P_{2}O_{7})_{3}\downarrow +12NH_{4}Cl}}

{\ displaystyle {\ mathsf {4LuCl_ {3} +3 (NH_ {4}) _ {4} P_ {2} O_ {7} \ {\ xrightarrow {}} \ Lu_ {4} (P_ {2} O_ { 7}) _ {3} \ downarrow + 12NH_ {4} Cl}}}

Dissolution of lutetium carbonate in a solution of pyrophosphoric acid:

{\mathsf {2Lu_{2}(CO_{3})_{3}+3H_{4}P_{2}O_{7}\ {\xrightarrow {}}\ Lu_{4}(P_{2}O_{7})_{3}\downarrow +6CO_{2}\uparrow +6H_{2}O}}

{\ displaystyle {\ mathsf {2Lu_ {2} (CO_ {3}) _ {3} + 3H_ {4} P_ {2} O_ {7} \ {\ xrightarrow {}} \ Lu_ {4} (P_ {2 } O_ {7}) _ {3} \ downarrow + 6CO_ {2} \ uparrow + 6H_ {2} O}}}

Physical Properties

Lutetium pyrophosphate forms colorless crystals

Not soluble in water.

Application

Intermediate compound in the production and purification of lutetium.

Literature

Chemistry and Technology of Rare and Scattered Elements, Part II / Ed. K.A. Bolshakova. - M .: Higher. School, 1976. - 360 p.