METHOD OF PRODUCING COMPLEX PRASEODYMIUM OXIDE, MOLYBDENUM AND TELLURIUM PrMoTeO Russian patent published in 2019 - IPC C01F17/00 C01G39/02 C01B19/00 C30B29/22 C03C1/02 C03C6/00 

Abstract RU 2687419 C1

FIELD: chemistry.

SUBSTANCE: invention relates to chemistry and relates to synthesis of a complex oxide of praseodymium, molybdenum and tellurium Pr2Mo2Te2O13, which can be used as a component in the mixture for producing praseodymium-containing tellurite-molybdate glasses. Initial components are separately dissolved in distilled water. Initial components used are praseodymium nitrate hexahydrate Pr(NO3)3⋅6H2O, tetrahydrate of ammonium heptamolybdate (NH4)6Mo7O24⋅4H2O and orthotelluric acid H6TeO6. Then obtained solutions are mixed. Obtained mixture is evaporated till dryness. Obtained dry residue is milled and calcined at temperature of 700 °C for 3–5 hours until powder of light-green colour is obtained. At that, weighed portions of initial components of such masses are used to ensure ratio of atoms Pr:Mo:Te equal to 1:1:1.

EFFECT: technical result of using the disclosed invention is low temperature and duration of synthesis.

1 cl, 3 dwg, 3 ex, 1 tbl

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RU 2 687 419 C1

Authors

Sibirkin Aleksej Alekseevich

Fedotova Irina Gennadevna

Gavrin Stanislav Andreevich

Goryaev Vladislav Mikhajlovich

Dates

2019-05-13Published

2018-08-29Filed