RU2014153994A - Electrochemical sensor of hydrogen concentration in gas and liquid media - Google Patents
Electrochemical sensor of hydrogen concentration in gas and liquid media Download PDFInfo
- Publication number
- RU2014153994A RU2014153994A RU2014153994A RU2014153994A RU2014153994A RU 2014153994 A RU2014153994 A RU 2014153994A RU 2014153994 A RU2014153994 A RU 2014153994A RU 2014153994 A RU2014153994 A RU 2014153994A RU 2014153994 A RU2014153994 A RU 2014153994A
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- RU
- Russia
- Prior art keywords
- sorbent
- reaction chamber
- electrochemical sensor
- mass
- water
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/416—Systems
- G01N27/417—Systems using cells, i.e. more than one cell and probes with solid electrolytes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
Abstract
1. Электрохимический датчик концентрации водорода в газовых и жидких средах, включающий герметичную реакционную камеру, датчик кислородный электрохимический, установленный в реакционной камере и подсоединенный к измерительному устройству, селективную мембрану, замещающую часть стенки реакционной камеры отличающийся тем, что, по меньшей мере, часть реакционной камеры заполнена сорбентом, автоматически поддерживающим заданное парциальное давление паров воды.2. Электрохимический датчик по п. 1, отличающийся тем, что массу сорбента выбирают из условия:где:V - объем реакционной камеры, м;ρ - плотность сорбента, кг/м;m - масса сорбента, кг;τ - ресурс работы датчика, час;δ - молярная доля воды в сорбенте;Т - температура реакционной камеры, К;µ - молярная масса сорбента, кг/моль;w - объемный расход воды из реакционной камеры, м/час;Р - парциальное давление паров воды сорбента при заданной температуре в реакционной камере, Па;R - универсальная газовая постоянная равная 8,31 Дж /(моль·К).3. Электрохимический датчик по п. 1, отличающийся тем, что в качестве сорбента используют гидроксид бария, гидроксид стронция или гидроксид кальция.1. An electrochemical sensor for the concentration of hydrogen in gas and liquid media, including a sealed reaction chamber, an oxygen electrochemical sensor installed in the reaction chamber and connected to a measuring device, a selective membrane replacing a part of the wall of the reaction chamber, characterized in that at least part of the reaction the chamber is filled with a sorbent that automatically maintains a given partial pressure of water vapor. 2. The electrochemical sensor according to claim 1, characterized in that the mass of the sorbent is selected from the condition: where: V is the volume of the reaction chamber, m; ρ is the density of the sorbent, kg / m; m is the mass of the sorbent, kg; τ is the life of the sensor, hour ; δ is the molar fraction of water in the sorbent; T is the temperature of the reaction chamber, K; μ is the molar mass of the sorbent, kg / mol; w is the volumetric flow rate of water from the reaction chamber, m / h; P is the partial pressure of the sorbent water vapor at a given temperature in the reaction chamber, Pa; R is the universal gas constant equal to 8.31 J / (mol · K). 3. The electrochemical sensor according to claim 1, characterized in that barium hydroxide, strontium hydroxide or calcium hydroxide are used as the sorbent.
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2014153994/28A RU2599459C2 (en) | 2014-12-30 | 2014-12-30 | Electrochemical sensor of hydrogen concentration in gas and liquid media |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2014153994/28A RU2599459C2 (en) | 2014-12-30 | 2014-12-30 | Electrochemical sensor of hydrogen concentration in gas and liquid media |
Publications (2)
Publication Number | Publication Date |
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RU2014153994A true RU2014153994A (en) | 2016-07-20 |
RU2599459C2 RU2599459C2 (en) | 2016-10-10 |
Family
ID=56413303
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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RU2014153994/28A RU2599459C2 (en) | 2014-12-30 | 2014-12-30 | Electrochemical sensor of hydrogen concentration in gas and liquid media |
Country Status (1)
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RU (1) | RU2599459C2 (en) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6006582A (en) * | 1998-03-17 | 1999-12-28 | Advanced Technology Materials, Inc. | Hydrogen sensor utilizing rare earth metal thin film detection element |
RU2379672C1 (en) * | 2008-09-15 | 2010-01-20 | Федеральное государственное унитарное предприятие "Государственный научный центр Российской Федерации-Физико-энергетический институт имени А.И. Лейпунского" | Hydrogen detector in liquid and gas mediums |
RU90907U1 (en) * | 2009-09-21 | 2010-01-20 | Общество С Ограниченной Ответственностью "Обнинский Центр Науки И Технологий" | HYDROGEN SOLID ELECTROLYTIC SENSOR FOR LIQUID AND GAS MEDIA |
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2014
- 2014-12-30 RU RU2014153994/28A patent/RU2599459C2/en active
Also Published As
Publication number | Publication date |
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RU2599459C2 (en) | 2016-10-10 |
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