FR2414196A1 - APPARATUS USABLE FOR ANALYSIS OF THE NITROGEN PROTOXIDE CONCENTRATION IN A GAS - Google Patents
APPARATUS USABLE FOR ANALYSIS OF THE NITROGEN PROTOXIDE CONCENTRATION IN A GASInfo
- Publication number
- FR2414196A1 FR2414196A1 FR7809633A FR7809633A FR2414196A1 FR 2414196 A1 FR2414196 A1 FR 2414196A1 FR 7809633 A FR7809633 A FR 7809633A FR 7809633 A FR7809633 A FR 7809633A FR 2414196 A1 FR2414196 A1 FR 2414196A1
- Authority
- FR
- France
- Prior art keywords
- gas
- electrolyte
- concentration
- analysis
- cathode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 title 1
- 239000003792 electrolyte Substances 0.000 abstract 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 230000007935 neutral effect Effects 0.000 abstract 1
- 229910052757 nitrogen Inorganic materials 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- 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
-
- 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
- G01N27/403—Cells and electrode assemblies
- G01N27/406—Cells and probes with solid electrolytes
- G01N27/407—Cells and probes with solid electrolytes for investigating or analysing gases
- G01N27/4073—Composition or fabrication of the solid electrolyte
- G01N27/4074—Composition or fabrication of the solid electrolyte for detection of gases other than oxygen
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/005—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods investigating the presence of an element by oxidation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0011—Sample conditioning
- G01N33/0013—Sample conditioning by a chemical reaction
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- Immunology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Combustion & Propulsion (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Molecular Biology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
L'INVENTION CONCERNE UN APPAREIL POUR L'ANALYSE DE LA CONCENTRATION EN PROTOXYDES D'AZOTE D'UN GAZ. LA CELLULE ELECTROLYTIQUE DE L'APPAREIL COMPREND UN ELECTROLYTE AQUEUX NEUTRE CONTENU DANS UNE CHAMBRE ETANCHEIFIEE, UNE ANODE DE CHARBON ACTIF SITUEE DANS UNE CHEMISE PERFOREE IMMERGEE DANS L'ELECTROLYTE, UNE CATHODE CONSTITUEE D'UNE FEUILLE DE PLATINE, DISPOSEE AU-DESSUS DE L'ELECTROLYTE ET ENTRANT EN CONTACT DIRECT AVEC LE GAZ TRANSFORME, ET UNE MATIERE POUR ASSURER LE MOUILLAGE DE LA CATHODE PAR L'ELECTROLYTE ET ETABLIR UN CONTACT ELECTRIQUE ENTRE LA CATHODE ET L'ELECTROLYTE. APPLICATION A LA DETERMINATION DE LA CONCENTRATION DE SUBSTANCES DANS UN GAZ.THE INVENTION RELATES TO AN APPARATUS FOR THE ANALYSIS OF THE CONCENTRATION OF NITROGEN PROTOXIDES IN A GAS. THE ELECTROLYTIC CELL OF THE APPARATUS INCLUDES A NEUTRAL AQUEOUS ELECTROLYTE CONTAINED IN A WATERPROOF CHAMBER, AN ACTIVE CARBON ANODE LOCATED IN A PERFORATED SHIRT IMMERSED IN ELECTROLYTE, A CATHODE CONSISTING OF A SHEET OF PLATE ABOVE, PROVIDED ABOVE IT 'ELECTROLYTE AND COMING IN DIRECT CONTACT WITH THE GAS TRANSFORMED, AND A MATERIAL TO ENSURE THE WETTING OF THE CATHODE BY ELECTROLYTE AND TO ESTABLISH AN ELECTRICAL CONTACT BETWEEN THE CATHODE AND THE ELECTROLYTE. APPLICATION TO THE DETERMINATION OF THE CONCENTRATION OF SUBSTANCES IN A GAS.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB706/78A GB1562481A (en) | 1978-01-09 | 1978-01-09 | Apparatus for analysis of nitrogen oxides |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2414196A1 true FR2414196A1 (en) | 1979-08-03 |
Family
ID=9709127
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7809633A Withdrawn FR2414196A1 (en) | 1978-01-09 | 1978-03-31 | APPARATUS USABLE FOR ANALYSIS OF THE NITROGEN PROTOXIDE CONCENTRATION IN A GAS |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS5495295A (en) |
BE (1) | BE865134A (en) |
DE (1) | DE2813803A1 (en) |
ES (1) | ES469719A1 (en) |
FR (1) | FR2414196A1 (en) |
GB (1) | GB1562481A (en) |
IT (1) | IT1105880B (en) |
NL (1) | NL7803398A (en) |
-
1978
- 1978-01-09 GB GB706/78A patent/GB1562481A/en not_active Expired
- 1978-03-21 BE BE186131A patent/BE865134A/en unknown
- 1978-03-30 DE DE19782813803 patent/DE2813803A1/en active Pending
- 1978-03-30 NL NL7803398A patent/NL7803398A/en not_active Application Discontinuation
- 1978-03-31 FR FR7809633A patent/FR2414196A1/en not_active Withdrawn
- 1978-04-18 ES ES469719A patent/ES469719A1/en not_active Expired
- 1978-04-20 IT IT03400/78A patent/IT1105880B/en active
- 1978-04-21 JP JP4676278A patent/JPS5495295A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
BE865134A (en) | 1978-07-17 |
NL7803398A (en) | 1979-07-11 |
IT7803400A0 (en) | 1978-04-20 |
DE2813803A1 (en) | 1979-07-12 |
ES469719A1 (en) | 1979-01-16 |
JPS5495295A (en) | 1979-07-27 |
GB1562481A (en) | 1980-03-12 |
IT1105880B (en) | 1985-11-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |