RU2005131340A - METHOD FOR MASS-SPECTROMETRIC ANALYSIS OF VARIOUS CHEMICAL COMPOUNDS - Google Patents

METHOD FOR MASS-SPECTROMETRIC ANALYSIS OF VARIOUS CHEMICAL COMPOUNDS Download PDF

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RU2005131340A
RU2005131340A RU2005131340/28A RU2005131340A RU2005131340A RU 2005131340 A RU2005131340 A RU 2005131340A RU 2005131340/28 A RU2005131340/28 A RU 2005131340/28A RU 2005131340 A RU2005131340 A RU 2005131340A RU 2005131340 A RU2005131340 A RU 2005131340A
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Russia
Prior art keywords
mass
isotopic
various chemical
chemical compounds
compounds
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RU2005131340/28A
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Russian (ru)
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RU2321850C2 (en
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Юрий Иванович Чубаров (RU)
Юрий Иванович Чубаров
Николай Александрович Понькин (RU)
Николай Александрович Понькин
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Федеральное агентство по атомной энергии (RU)
Федеральное агентство по атомной энергии
Федеральное государственное унитарное предпри тие"Российский федеральный дерный центр-Всероссийский научно-исследовательский институт экспериментальной физики"-ФГУП "РФЯЦ-ВНИИЭФ" (RU)
Федеральное государственное унитарное предприятие "Российский Федеральный ядерный центр-Всероссийский научно-исследовательский институт экспериментальной физики"-ФГУП "РФЯЦ-ВНИИЭФ"
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Application filed by Федеральное агентство по атомной энергии (RU), Федеральное агентство по атомной энергии, Федеральное государственное унитарное предпри тие"Российский федеральный дерный центр-Всероссийский научно-исследовательский институт экспериментальной физики"-ФГУП "РФЯЦ-ВНИИЭФ" (RU), Федеральное государственное унитарное предприятие "Российский Федеральный ядерный центр-Всероссийский научно-исследовательский институт экспериментальной физики"-ФГУП "РФЯЦ-ВНИИЭФ" filed Critical Федеральное агентство по атомной энергии (RU)
Priority to RU2005131340/28A priority Critical patent/RU2321850C2/en
Publication of RU2005131340A publication Critical patent/RU2005131340A/en
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Publication of RU2321850C2 publication Critical patent/RU2321850C2/en

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Claims (1)

Способ масс-спектрометрического определения различных химических соединений, включающий подготовку и ввод анализируемых проб в ионный источник масс-спектрометра, регистрацию интенсивностей пиков в масс-спектрах исследуемых соединений с последующей математической обработкой полученной информации, отличающийся тем, что регистрацию интенсивностей пиков осуществляют в характеристических масс-спектрах исследуемых соединений с использованием блока программной регистрации, управляемого от ЭВМ, при этом сначала определяют наиболее вероятные виды молекулярных ионов W (i) для каждого изотопного пика и его величину на основе измерения суммарного тока молекулярных ионов, затем определяют атомные и изотопные комбинации для углерода, водорода, кислорода, азота и атомов металлов при их наличии, используя следующие математические формулы для соотношений изотопных пиков:The method of mass spectrometric determination of various chemical compounds, including the preparation and input of the analyzed samples into the ion source of the mass spectrometer, recording the peak intensities in the mass spectra of the studied compounds, followed by mathematical processing of the obtained information, characterized in that the peak intensities are recorded in the characteristic mass the spectra of the compounds under study using a computer-controlled recording unit, while first determining the most the distinct types of molecular ions W (i) for each isotopic peak and its value based on the measurement of the total current of molecular ions, then atomic and isotopic combinations for carbon, hydrogen, oxygen, nitrogen and metal atoms are determined, if any, using the following mathematical formulas for the ratios isotopic peaks:
Figure 00000001
Figure 00000001
Figure 00000002
Figure 00000002
Figure 00000003
и т.д.
Figure 00000003
etc. где C1, С2, С3, и т.д. - интенсивности соответственно 1, 2, 3 и т.д. изотопных пиков.where C 1 , C 2 , C 3 , etc. - intensities, respectively 1, 2, 3, etc. isotopic peaks.
RU2005131340/28A 2005-10-10 2005-10-10 Mode of mass-spectral analysis of different chemical compounds RU2321850C2 (en)

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