RU2001118579A - The method for determining the content of impurities in uranium hexafluoride - Google Patents

The method for determining the content of impurities in uranium hexafluoride

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Publication number
RU2001118579A
RU2001118579A RU2001118579/12A RU2001118579A RU2001118579A RU 2001118579 A RU2001118579 A RU 2001118579A RU 2001118579/12 A RU2001118579/12 A RU 2001118579/12A RU 2001118579 A RU2001118579 A RU 2001118579A RU 2001118579 A RU2001118579 A RU 2001118579A
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RU
Russia
Prior art keywords
impurities
sample
mixture
content
uranium hexafluoride
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Application number
RU2001118579/12A
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Russian (ru)
Other versions
RU2223483C2 (en
Inventor
Борис Григорьевич Джаваев
Олег Владимирович Елистратов
Людмила Викторовна Костюкова
Михаил Валерьевич Казанцев
Original Assignee
Федеральное государственное унитарное предприятие "УРАЛЬСКИЙ ЭЛЕКТРОХИМИЧЕСКИЙ КОМБИНАТ"
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Priority to RU2001118579/15A priority Critical patent/RU2223483C2/en
Priority claimed from RU2001118579/15A external-priority patent/RU2223483C2/en
Publication of RU2001118579A publication Critical patent/RU2001118579A/en
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Publication of RU2223483C2 publication Critical patent/RU2223483C2/en

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Claims (1)

Способ определения содержания примесей в гексафториде урана, включающий ввод анализируемой газовой смеси в ионизационную камеру масс-спектрометра через дозирующий клапан и регистрацию масс-спектра смеси, отличающийся тем, что перед введением пробы гексафторида урана в ионизационную камеру, ее предварительно сорбируют на фтористом натрии в реакторе, установленном за дозирующим клапаном, после чего проводят измерение свободно прошедших через реактор в ионный источник примесей и рассчитывают молярную долю их в пробе по формуле:A method for determining the content of impurities in uranium hexafluoride, comprising introducing the analyzed gas mixture into the ionization chamber of the mass spectrometer through a metering valve and registering the mass spectrum of the mixture, characterized in that before introducing the sample of uranium hexafluoride into the ionization chamber, it is preliminarily sorbed on sodium fluoride in the reactor installed behind the metering valve, after which they measure the impurities freely passing through the reactor into the ion source and calculate their molar fraction in the sample according to the formula:
Figure 00000001
Figure 00000001
 где СΣкс - суммарное содержание примесей в калибровочной смеси, мол.%;SΣ where kc - total content of impurities in a calibration mixture, mol%. iΣпр, iΣkc - величина суммы выходных сигналов СНз + (m/e=15), C2H2 + (m/е=26), С2Нз + (m/е=27), CF+ (m/е=31), С3Н7 + (m/е=43), CCl35+ (m/е=47), CCl37+ (m/e=49), CF3 + (m/е=69) измерительной системы масс-спектрометра, пропорциональная суммарной доле примесей в пробе и калибровочной смеси, В;iΣ etc., iΣ kc - value of the sum of the output signals of CH z + (m / e = 15), C 2 H 2 + (m / e = 26), C 2 H s + (m / e = 27), CF + ( m / e = 31), C 3 H 7 + (m / e = 43), CCl 35+ (m / e = 47), CCl 37+ (m / e = 49), CF 3 + (m / e = 69) the measuring system of the mass spectrometer, proportional to the total fraction of impurities in the sample and the calibration mixture, V; Рпр, Ркс - давление пробы и калибровочной смеси перед дозирующим клапаном, мм рт. ст.P ave, R ks - pressure of the sample and the calibration mixture before metering valve mmHg. Art.
RU2001118579/15A 2001-07-04 2001-07-04 Procedure establishing content of impurities in uranium hexafluoride RU2223483C2 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2691769C1 (en) * 2018-09-20 2019-06-18 Акционерное общество "Уральский электрохимический комбинат" Method of controlling uranium hexafluoride quality

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