[go: up one dir, main page]

RU2001133998A - METHOD FOR PRODUCING ARSIDE OXIDE OF SPECIAL PURITY - Google Patents

METHOD FOR PRODUCING ARSIDE OXIDE OF SPECIAL PURITY

Info

Publication number
RU2001133998A
RU2001133998A RU2001133998/12A RU2001133998A RU2001133998A RU 2001133998 A RU2001133998 A RU 2001133998A RU 2001133998/12 A RU2001133998/12 A RU 2001133998/12A RU 2001133998 A RU2001133998 A RU 2001133998A RU 2001133998 A RU2001133998 A RU 2001133998A
Authority
RU
Russia
Prior art keywords
producing
oxide
temperature
arside
condensation
Prior art date
Application number
RU2001133998/12A
Other languages
Russian (ru)
Other versions
RU2232719C2 (en
Inventor
Анатолий Григорьевич Демахин
Владимир Петрович Севостьянов
Сергей Иванович Косенко
Валерий Петрович Капашин
Александр Иванович Наливайко
Original Assignee
Саратовский государственный университет им. Н.Г. Чернышевского
Filing date
Publication date
Application filed by Саратовский государственный университет им. Н.Г. Чернышевского filed Critical Саратовский государственный университет им. Н.Г. Чернышевского
Priority to RU2001133998/15A priority Critical patent/RU2232719C2/en
Priority claimed from RU2001133998/15A external-priority patent/RU2232719C2/en
Publication of RU2001133998A publication Critical patent/RU2001133998A/en
Application granted granted Critical
Publication of RU2232719C2 publication Critical patent/RU2232719C2/en

Links

Claims (1)

Способ получения оксида мышьяка особой чистоты, включающий возгонку исходного продукта, содержащего сопутствующие загрязняющие примеси, и конденсацию целевого продукта, в вакууме при температурном нагреве, отличающийся тем, что возгонку исходного продукта осуществляют при температуре 240-270°С, а конденсацию проводят в двух зонах с температурным градиентом для каждой:A method of producing arsenic oxide of high purity, including sublimation of the initial product containing concomitant contaminants, and condensation of the target product in vacuum with temperature heating, characterized in that the sublimation of the starting product is carried out at a temperature of 240-270 ° C, and the condensation is carried out in two zones with a temperature gradient for each: - зона конденсации целевого оксида мышьяка при температуре 160-180°С,the condensation zone of the target arsenic oxide at a temperature of 160-180 ° C, - зона конденсации летучих примесей при температуре 120-140°С.- zone of condensation of volatile impurities at a temperature of 120-140 ° C.
RU2001133998/15A 2001-12-13 2001-12-13 Method for preparing arsenic oxide of special purity RU2232719C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2001133998/15A RU2232719C2 (en) 2001-12-13 2001-12-13 Method for preparing arsenic oxide of special purity

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2001133998/15A RU2232719C2 (en) 2001-12-13 2001-12-13 Method for preparing arsenic oxide of special purity

Publications (2)

Publication Number Publication Date
RU2001133998A true RU2001133998A (en) 2003-07-20
RU2232719C2 RU2232719C2 (en) 2004-07-20

Family

ID=33412199

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2001133998/15A RU2232719C2 (en) 2001-12-13 2001-12-13 Method for preparing arsenic oxide of special purity

Country Status (1)

Country Link
RU (1) RU2232719C2 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR70981E (en) * 1956-04-03 1959-09-30 Pechiney Sublimation
US2944885A (en) * 1959-06-02 1960-07-12 Guenter A Wolff Method of purifying arsenic and antimony
RU2046758C1 (en) * 1992-04-27 1995-10-27 Научно-исследовательский институт химии при Нижегородском государственном университете им.Н.И.Лобачевского Method of arsenic oxide producing
RU2163889C1 (en) * 2000-02-24 2001-03-10 Саратовский государственный университет им. Н.Г. Чернышевского Method of preparing arsenic oxide

Similar Documents

Publication Publication Date Title
BR9101019A (en) COOLING COMPRESSOR, SYSTEM AND STEAM COMPRESSION COOLING PROCESS
CA2395590A1 (en) Method of producing human serum albumin involving heating step
IT1319079B1 (en) STAINLESS STEEL COOKING CONTAINER WITH CAPSULAR BOTTOM HEATED BY MAGNETIC INDUCTION
CA2258133A1 (en) A method for manufacturing shaped wafers, an intermediate product and a wafer obtained by this method, and an associated mould
FR2678620B1 (en) NOVEL 1,3-DISILACYCLOBUTANES AND THEIR MANUFACTURING PROCESS.
EA200400627A1 (en) METHOD AND DEVICE FOR OBTAINING SOLID-PHASE POLYCONDENSED COMPLEX POLYESTERS
RU2001133998A (en) METHOD FOR PRODUCING ARSIDE OXIDE OF SPECIAL PURITY
EP0252588A3 (en) Process for the isolation and purification of p. falciparum cs protein expressed in recombinant e. coli, and its use as a vaccine
EP1264838A4 (en) PROTEIN HYDROLYSATES, PROCESS FOR THE PREPARATION THEREOF, AND BEVERAGES AND FOODS CONTAINING SUCH PROTEIN HYDROLYSATES
EA200601623A1 (en) METHOD OF MANUFACTURING HIGHLY CONDENSED COMPLEX POLYESTERS IN HARD CONDITION
JPS5638216A (en) Polyester formed article and preparation thereof
EP1375502A4 (en) PROCESS FOR PRODUCING 2,6-DIHALOGENOPURIN
PT96470A (en) PROCESS FOR THE MANUFACTURE OF COMPOSITE BODIES OF CERAMICS AND BODIES MANUFACTURED BY THAT PROCESS
FR2686898B1 (en) PROCESS FOR THE PRODUCTION OF L-PHENYLALANINE.
KR101337329B1 (en) Bidirectional collectable sublimation purifying apparatus of organic matter
FR2768741B1 (en) PROCESS FOR THE MANUFACTURE OF POLYAMIDES
CA2247283A1 (en) Processing textile strands
DE69220702D1 (en) High temperature superconductor coil, and manufacturing process
RU97109876A (en) METHOD FOR PURIFICATION OF PHOSPHORUS PENTOXIDE
Mitamura Epidemiology of HDV infection in Japan
KR910011426A (en) Thermal drawing method of polyester film sheet
ATE393903T1 (en) PROCESSING OF MATERIALS FOR REFRIGERANT PRODUCTION
WO2002084294A3 (en) Gastrointestinal glutathione peroxidase in hepatitis c virus infections
RU2001119154A (en) Furniture element
DK0406621T3 (en) Process for making condensed milk