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RU2018139275A - Система, устройство и способ для мониторинга органических соединений в газовой среде - Google Patents

Система, устройство и способ для мониторинга органических соединений в газовой среде Download PDF

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RU2018139275A
RU2018139275A RU2018139275A RU2018139275A RU2018139275A RU 2018139275 A RU2018139275 A RU 2018139275A RU 2018139275 A RU2018139275 A RU 2018139275A RU 2018139275 A RU2018139275 A RU 2018139275A RU 2018139275 A RU2018139275 A RU 2018139275A
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gas
chromatographic column
trap
chemical compound
detector
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RU2018139275A
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RU2018139275A3 (ru
RU2733529C2 (ru
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Дрю ГЕНТНЕР
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Йельский Университет
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    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
    • G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
    • G01N33/0047—Organic compounds
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Claims (33)

1. Система для анализа газовой смеси, содержащая:
фильтр;
ловушку;
хроматографическую колонку;
детектор; и
насос,
причем ловушка и насос соединены по текучей среде с образованием первого пути потока газа, и
причем фильтр, ловушка, хроматографическая колонка, детектор и насос соединены по текучей среде с образованием второго пути потока газа.
2. Система по п. 1, отличающаяся тем, что детектор и насос соединены по текучей среде с образованием третьего пути потока газа.
3. Система по п. 1, отличающаяся тем, что газохроматографическая колонка выбрана из группы, состоящей из газотвердофазной адсорбционной хроматографической колонки и газожидкостной газохроматографической колонки.
4. Система по п. 1, отличающаяся тем, что ловушка дополнительно содержит адсорбирующий материал.
5. Система по п. 1, отличающаяся тем, что фильтр представляет собой фильтр с активированным углем.
6. Система по п. 1, отличающаяся тем, что детектор выбран из группы, состоящей из фотоионизационного детектора, масс-спектрометра, спектрофотометра и детектора теплопроводности.
7. Система по п. 1, отличающаяся тем, что детектор представляет собой фотоионизационный детектор.
8. Система по п. 1, отличающаяся тем, что насос выполнен с возможностью обеспечения отрицательного давления.
9. Система по п. 1, дополнительно содержащая корпус.
10. Система по п. 9, отличающаяся тем, что корпус имеет объем не больше, чем 216 кубических дюймов.
11. Система по п. 1, отличающаяся тем, что выполнена с возможностью детектировать химические соединения с чувствительностью порядка частей на триллион.
12. Способ анализа по меньшей мере одного химического соединения в газовой смеси, включающий в себя:
направление потока газовой смеси через ловушку для концентрирования по меньшей мере некоторого количества химического соединения;
перенаправление потока газовой смеси через фильтр для подачи потока отфильтрованного газа к ловушке;
высвобождение по меньшей мере некоторого количества концентрированного химического соединения в поток отфильтрованного газа; и
анализ по меньшей мере некоторого количества высвобожденного концентрированного химического соединения;
причем направление потока газовой смеси через ловушку противоположно направлению потока отфильтрованного газа через ловушку.
13. Способ по п. 12, отличающийся тем, что по меньшей мере одно химическое соединение содержит по меньшей мере одно органическое соединение.
14. Способ по п. 13, отличающийся тем, что по меньшей мере одно органическое соединение содержит по меньшей мере одно летучее органическое соединение.
15. Способ по п. 12, отличающийся тем, что анализ по меньшей мере некоторого количества высвобождаемого концентрированного химического соединения включает в себя пропускание по меньшей мере некоторого количества высвобождаемого концентрированного химического соединения через газохроматографическую колонку.
16. Способ по п. 15, отличающийся тем, что газохроматографическая колонка выбрана из группы, состоящей из газотвердофазной адсорбционной хроматографической колонки и газожидкостной газохроматографической колонки.
17. Способ по п. 12, отличающийся тем, что анализ по меньшей мере некоторого количества высвобождаемого концентрированного химического соединения включает в себя идентификацию органического соединения способом, выбираемым из группы, состоящей из фотоионизации, масс-спектрометрии, спектрофотометрии и теплопроводности.
18. Способ по п. 17, дополнительно содержащий количественное определение химического соединения.
19. Способ по п. 12, отличающийся тем, что газовая смесь представляет собой газовую смесь, относящуюся к окружающей среде.
20. Способ по п. 12, отличающийся тем, что газовая смесь содержит газы, выдыхаемые или иным образом исходящие от человека.
21. Способ по п. 12, отличающийся тем, что газовая смесь представляет собой воздух.
RU2018139275A 2016-04-15 2017-04-14 Система, устройство и способ для мониторинга органических соединений в газовой среде RU2733529C2 (ru)

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US11360066B2 (en) 2018-08-20 2022-06-14 Doug Markle Gas phase standard preparation device and method to use
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