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2 511 388

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(51)

IPC

C01D7/10(2006-01-01)

(21) (22)

Application

2012136156/05, 2012-08-23

(24)

Start date

2012-08-23

(22)

Actual filing date

2012-08-23

(45)

Published

2014-04-10

(72)

Inventor

Ehl'Man Aleksandr RehmovichOvsjannikova Ljudmila Vasil'EvnaKuz'Min Sergej Georgievich

(73)

Holder

Obshchestvo S Ogranichennoj Otvetstvennost'JuFederal'Noe Gosudarstvennoe Unitarnoe Predprijatie Nauchnyj Tsentr Institut Organicheskikh Poluproduktov I Krasitelej"

METHOD OF OBTAINING SODIUM HYDROCARBONATE, CONTAINING STABLE ISOTOPE C Russian patent published in 2014 - IPC C01D7/10

Abstract RU 2511388 C1

FIELD: chemistry.

SUBSTANCE: invention can be used in inorganic chemistry, medicine and microbiology. Method of obtaining sodium hydrocarbonate, which contains stable isotope ¹³C, includes interaction of sodium hydroxide with ¹³CO₂ in solution with heating at excessive pressure. Process from the beginning to the end is carried out in water medium under pressure not more than 1 atm at temperature 70-80°C.

EFFECT: invention makes it possible to obtain target product with output up to 97,8%, with isotope purity not less than 98%, and reduce loss of initial ¹³CO₂.

6 ex

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RU 2 511 388 C1

Authors

Ehl'Man Aleksandr Rehmovich

Ovsjannikova Ljudmila Vasil'Evna

Kuz'Min Sergej Georgievich

Dates

2014-04-10—Published

2012-08-23—Filed