RU2014108694A - AMPEROMETRIC METHOD FOR MEASURING THE CONCENTRATION OF FLAMMABLE GASES IN NITROGEN - Google Patents
AMPEROMETRIC METHOD FOR MEASURING THE CONCENTRATION OF FLAMMABLE GASES IN NITROGEN Download PDFInfo
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- RU2014108694A RU2014108694A RU2014108694/28A RU2014108694A RU2014108694A RU 2014108694 A RU2014108694 A RU 2014108694A RU 2014108694/28 A RU2014108694/28 A RU 2014108694/28A RU 2014108694 A RU2014108694 A RU 2014108694A RU 2014108694 A RU2014108694 A RU 2014108694A
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Abstract
1. Амперометрический способ измерения концентрации горючих газов в азоте, заключающийся в том, что в поток анализируемого горючего газа помещают электрохимическую ячейку с полостью, образованной герметично соединенными между собой двумя дисками из твердого электролита, на противоположных поверхностях одного из которых расположена пара электродов, к электродам подают напряжение, необходимое для получения предельного тока, протекающего через ячейку, по величине которого определяют концентрацию горючего газа в анализируемой газовой смеси, отличающийся тем, что используют ячейку с полостью, образованной дисками из кислородпроводящего твердого электролита с электродами из каталитического материала, для получения предельного тока к электродам подают напряжение постоянного тока в пределах 300-500 мВ с подачей положительного полюса на электрод, находящийся внутри ячейки, и по величине возникающего при этом предельного тока определяют концентрацию горючего газа в анализируемой газовой смеси.2. Способ по 1, отличающийся тем, что в качестве каталитического материала электродов используют платину.1. Amperometric method for measuring the concentration of combustible gases in nitrogen, which consists in placing an electrochemical cell with a cavity formed by tightly interconnected two disks of solid electrolyte, on the opposite surfaces of one of which there is a pair of electrodes, to the electrodes supply the voltage necessary to obtain the limiting current flowing through the cell, the value of which determines the concentration of combustible gas in the analyzed gas cm ES, characterized in that they use a cell with a cavity formed by disks of an oxygen-conducting solid electrolyte with electrodes made of catalytic material, in order to obtain the maximum current, direct current voltage is applied to the electrodes in the range of 300-500 mV with a positive pole supplied to the electrode inside the cell, and the magnitude of the resulting limiting current determines the concentration of combustible gas in the analyzed gas mixture. 2. The method according to claim 1, characterized in that platinum is used as the catalytic material of the electrodes.
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RU2014108694/28A RU2563325C1 (en) | 2014-03-05 | 2014-03-05 | Amperometric method of measurement of flammable gases concentration in nitrogen |
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RU2014108694/28A RU2563325C1 (en) | 2014-03-05 | 2014-03-05 | Amperometric method of measurement of flammable gases concentration in nitrogen |
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RU2014108694A true RU2014108694A (en) | 2015-09-10 |
RU2563325C1 RU2563325C1 (en) | 2015-09-20 |
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RU2014108694/28A RU2563325C1 (en) | 2014-03-05 | 2014-03-05 | Amperometric method of measurement of flammable gases concentration in nitrogen |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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RU191013U9 (en) * | 2019-04-24 | 2020-01-28 | Федеральное государственное бюджетное учреждение науки Институт высокотемпературной электрохимии Уральского отделения Российской Академии наук | Amperometric sensor for measuring the concentration of flammable gases and their humidity |
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Publication number | Priority date | Publication date | Assignee | Title |
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JP3450084B2 (en) * | 1995-03-09 | 2003-09-22 | 日本碍子株式会社 | Method and apparatus for measuring combustible gas components |
JP4783095B2 (en) * | 2005-09-06 | 2011-09-28 | 新コスモス電機株式会社 | Hydrogen gas detection element and hydrogen gas detection device |
RU2483298C1 (en) * | 2011-11-22 | 2013-05-27 | Учреждение Российской академии наук Институт высокотемпературной электрохимии Уральского отделения РАН | Solid-electrolyte sensor for amperometric measurement of hydrogen and oxygen concentration in gas mixtures |
RU2483299C1 (en) * | 2011-11-22 | 2013-05-27 | Учреждение Российской академии наук Институт высокотемпературной электрохимии Уральского отделения РАН | Solid-electrolyte sensor for amperometric measurement of hydrogen concentration in gas mixtures |
RU2490623C1 (en) * | 2012-03-05 | 2013-08-20 | Федеральное государственное бюджетное учреждение науки Институт высокотемпературной электрохимии Уральского отделения Российской Академии наук | Solid electrolyte sensor for potentiometric measurement of hydrogen concentration in gas mixtures |
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