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2 501 737

(13)

(51)

IPC

C01G49/06(2006-01-01)

(21) (22)

Application

2012119051/05, 2012-05-10

(24)

Start date

2012-05-10

(22)

Actual filing date

2012-05-10

(45)

Published

2013-12-20

(72)

Inventor

Khabarov Jurij GermanovichBabkin Igor' MikhajlovichKuzjakov Nikolaj Jur'EvichMalkov Aleksej Valer'Evich

(73)

Holder

Federal'Noe Gosudarstvennoe Avtonomnoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Federal'Nyj Universitet Imeni M.V. Lomonosova"

METHOD OF OBTAINING CRYSTALLINE IRON OXIDE (III) Russian patent published in 2013 - IPC C01G49/06

Abstract RU 2501737 C1

FIELD: chemistry.

SUBSTANCE: to obtain iron oxide (III) sodium nitride is added to solution of iron salt (II), with further addition of sodium hydroxide solution. Obtained sediment is separated, dried and subjected to thermal oxidation at 650°C.

EFFECT: invention makes it possible to reduce duration and reduce the number of stages of obtaining crystalline iron oxide.

6 ex

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RU 2 501 737 C1

Authors

Khabarov Jurij Germanovich

Babkin Igor' Mikhajlovich

Kuzjakov Nikolaj Jur'Evich

Malkov Aleksej Valer'Evich

Dates

2013-12-20—Published

2012-05-10—Filed