FR2252870A1 - - Google Patents
Info
- Publication number
- FR2252870A1 FR2252870A1 FR7439542A FR7439542A FR2252870A1 FR 2252870 A1 FR2252870 A1 FR 2252870A1 FR 7439542 A FR7439542 A FR 7439542A FR 7439542 A FR7439542 A FR 7439542A FR 2252870 A1 FR2252870 A1 FR 2252870A1
- Authority
- FR
- France
- 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.)
- Granted
Links
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/76—Chemiluminescence; Bioluminescence
- G01N21/766—Chemiluminescence; Bioluminescence of gases
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- 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
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- 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)
- Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Food Science & Technology (AREA)
- Molecular Biology (AREA)
- Plasma & Fusion (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7316555A NL7316555A (nl) | 1973-12-04 | 1973-12-04 | Inrichting voor chemische omzetting in gasmeng- sels. |
| NL7401320A NL7401320A (nl) | 1974-01-31 | 1974-01-31 | Inrichting voor het bepalen van stikstofoxiden cht. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2252870A1 true FR2252870A1 (US20070244113A1-20071018-C00169.png) | 1975-06-27 |
| FR2252870B1 FR2252870B1 (US20070244113A1-20071018-C00169.png) | 1977-10-28 |
Family
ID=26644939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7439542A Expired FR2252870B1 (US20070244113A1-20071018-C00169.png) | 1973-12-04 | 1974-12-03 |
Country Status (5)
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2328196A1 (fr) * | 1975-10-14 | 1977-05-13 | Rockwell International Corp | Procede de detection et de mesure de no2 et o3 par reaction avec un halogenure alcalin solide |
| FR2397366A1 (fr) * | 1977-07-14 | 1979-02-09 | Philips Nv | Dispositif pour la reduction quantitative de dioxyde d'azote dans des melanges gazeux |
| FR2398536A1 (US20070244113A1-20071018-C00169.png) * | 1977-07-29 | 1979-02-23 | Beckman Instruments Inc |
-
1974
- 1974-11-26 DE DE19742455844 patent/DE2455844A1/de not_active Withdrawn
- 1974-11-29 GB GB5180374A patent/GB1470449A/en not_active Expired
- 1974-11-29 IT IT3005474A patent/IT1026691B/it active
- 1974-12-03 FR FR7439542A patent/FR2252870B1/fr not_active Expired
- 1974-12-04 BE BE151159A patent/BE822949A/xx unknown
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2328196A1 (fr) * | 1975-10-14 | 1977-05-13 | Rockwell International Corp | Procede de detection et de mesure de no2 et o3 par reaction avec un halogenure alcalin solide |
| FR2397366A1 (fr) * | 1977-07-14 | 1979-02-09 | Philips Nv | Dispositif pour la reduction quantitative de dioxyde d'azote dans des melanges gazeux |
| FR2398536A1 (US20070244113A1-20071018-C00169.png) * | 1977-07-29 | 1979-02-23 | Beckman Instruments Inc |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2455844A1 (de) | 1975-06-26 |
| BE822949A (fr) | 1975-06-04 |
| IT1026691B (it) | 1978-10-20 |
| FR2252870B1 (US20070244113A1-20071018-C00169.png) | 1977-10-28 |
| GB1470449A (en) | 1977-04-14 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |