SU1190427A1 - Method of mass spectrometric determining of isotope carbon concentration of methanol - Google Patents

Method of mass spectrometric determining of isotope carbon concentration of methanol Download PDF

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Publication number
SU1190427A1
SU1190427A1 SU833673578A SU3673578A SU1190427A1 SU 1190427 A1 SU1190427 A1 SU 1190427A1 SU 833673578 A SU833673578 A SU 833673578A SU 3673578 A SU3673578 A SU 3673578A SU 1190427 A1 SU1190427 A1 SU 1190427A1
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SU
USSR - Soviet Union
Prior art keywords
methanol
ratio
determined
concentration
mass spectrometric
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SU833673578A
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Russian (ru)
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Кетевана Григорьевна Орджоникидзе
Михаил Николаевич Кернер
Ламзира Прокофьевна Парулава
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Предприятие П/Я А-3521
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Priority to SU833673578A priority Critical patent/SU1190427A1/en
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Abstract

СПОСОБ МАССОСПЕКТРОМЕТРИЧЕСКОГО ОПРЕДЕЛЕНИЯ ИЗОТОПНОЙ КОНЦЕНТРАЦИИ УГЛЕРОДА В МЕТАНОЛЕ, включающий ионизацию вещества, разделение по отношению АЛ/t и измерение интенсивности исследуемых пиков. отличающийс  тем, что, с целью повышени  точности, экспрессное ти и упрощени  анализа, измер ют одновременно интенсивности пиков ионных токов 3 с массовыми числами 31, 32, 33 н 34 и отношение изотопных концентраций углерода J у определ ют из выражени  1JC (j,j.(,,}A(j,,-o,oofl2ffJ,j-0 ,OOm2J,,)J-{J,,-0,00«15a3j-0,0020W -0 ,OOOOOSJj,)0, а изотопную концентрацию углерода13 в процентах определ ют из соот (Л ношени  J ;х. оо %. «гA METHOD OF MASSOSPECTROMETRIC DETERMINATION OF THE ISOTOTIC CONCENTRATION OF CARBON IN METHANOL, including the ionization of a substance, separation according to AL / t ratio and measurement of the intensity of the peaks under study. characterized in that, in order to increase the accuracy, rapid expression and simplification of the analysis, the intensities of the peaks of ion currents 3 are simultaneously measured with mass numbers 31, 32, 33 n 34 and the ratio of carbon isotopic concentrations J y is determined from the expression 1JC (j, j . (,,} A (j ,, - o, oofl2ffJ, j-0, OOm2J ,,) J- {J ,, - 0.00 "15a3j-0.0020W -0, OOOOOSJj, 0, and the isotopic concentration carbon13 in percent is determined from the corresponding (L load J; x. oo%. "g

Description

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Claims (1)

СПОСОБ МАССОСПЕКТРОМЕТРИЧЕСКОГО ОПРЕДЕЛЕНИЯ ИЗОТОПНОЙ КОНЦЕНТРАЦИИ УГЛЕРОДА В МЕТАНОЛЕ, включающий ионизацию вещества, разделение по отношению ΛΑ/& и измерение интенсивности исследуемых пиков, отличающийся тем, что, с целью повышения точности, экспрес сное ти и упрощения анализа, измеряют одновременно интенсивности пиков ионных токов 3 с массовыми числами 31, 32, 33 и 34 и отношение изо топных концентраций углеродаMETHOD FOR MASS SPECTROMETRIC DETERMINATION OF ISOTOPE CONCENTRATION OF CARBON IN METHANOL, including ionization of the substance, separation according to ΛΑ / &, and measurement of the intensity of the studied peaks, characterized in that, in order to increase the accuracy, the expression rate and simplification of the analysis measure simultaneously the intensities of 3 ion peaks mass numbers 31, 32, 33 and 34 and the ratio of isotopic carbon concentrations ... К. J = у ’ определяют из выражения А ЦС... K. J = y 'is determined from the expression A CA -0,0020«7#5)7-(7и-0(00«и333- 0,00 2 0Нам- 0,000005 7 м) -0, а изотопную концентрацию углерода13 в процентах определяют из соот ношения-0.0020 "7 # 5 ) 7- (7 and -0 ( 00" and3 33 - 0.00 2 0Na m - 0.000005 7 m ) -0, and the isotopic concentration of carbon13 in percent is determined from the ratio J J*4J J * 4
SU833673578A 1983-12-20 1983-12-20 Method of mass spectrometric determining of isotope carbon concentration of methanol SU1190427A1 (en)

Priority Applications (1)

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SU833673578A SU1190427A1 (en) 1983-12-20 1983-12-20 Method of mass spectrometric determining of isotope carbon concentration of methanol

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SU833673578A SU1190427A1 (en) 1983-12-20 1983-12-20 Method of mass spectrometric determining of isotope carbon concentration of methanol

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SU1190427A1 true SU1190427A1 (en) 1985-11-07

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2461909C2 (en) * 2010-10-12 2012-09-20 Учреждение Российской академии наук Институт нефтегазовой геологии и геофизики им. А.А. Трофимука Сибирского отделения РАН (ИНГГ СО РАН) Method of determining isotopic composition of methane

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Весной Дж. Массоспектрометри и ее применение в органической химии. - М.: Мир, 1964, с. 356. Там же. с. .133-134. *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2461909C2 (en) * 2010-10-12 2012-09-20 Учреждение Российской академии наук Институт нефтегазовой геологии и геофизики им. А.А. Трофимука Сибирского отделения РАН (ИНГГ СО РАН) Method of determining isotopic composition of methane

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