FR2692354B1 - - Google Patents
Info
- Publication number
- FR2692354B1 FR2692354B1 FR9207034A FR9207034A FR2692354B1 FR 2692354 B1 FR2692354 B1 FR 2692354B1 FR 9207034 A FR9207034 A FR 9207034A FR 9207034 A FR9207034 A FR 9207034A FR 2692354 B1 FR2692354 B1 FR 2692354B1
- 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.)
- Expired - Lifetime
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
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/71—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light thermally excited
- G01N21/72—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light thermally excited using flame burners
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2273—Atmospheric sampling
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/24—Suction devices
- G01N2001/245—Fans
Landscapes
- Health & Medical Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9207034A FR2692354A1 (en) | 1992-06-11 | 1992-06-11 | Detector detecting presence of elements in ambient air - has two turbines to create air flow which compensates for external wind pressure and which is burned inside current of hydrogen@ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9207034A FR2692354A1 (en) | 1992-06-11 | 1992-06-11 | Detector detecting presence of elements in ambient air - has two turbines to create air flow which compensates for external wind pressure and which is burned inside current of hydrogen@ |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2692354A1 FR2692354A1 (en) | 1993-12-17 |
FR2692354B1 true FR2692354B1 (en) | 1997-03-07 |
Family
ID=9430619
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9207034A Granted FR2692354A1 (en) | 1992-06-11 | 1992-06-11 | Detector detecting presence of elements in ambient air - has two turbines to create air flow which compensates for external wind pressure and which is burned inside current of hydrogen@ |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2692354A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2743888B1 (en) * | 1996-01-19 | 1998-03-20 | Proengin | BURNER FOR THE SPECTROPHOTOMETRY OF FLAMES OF A GAS COMPOSITION INCLUDING AT LEAST TWO TYPES OF SEARCHED ELEMENTS, SUCH AS CHLORINE AND PHOSPHORUS |
GB2514115A (en) * | 2013-05-13 | 2014-11-19 | Crowcon Detection Instr Ltd | Gas detector assembly |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1648861C3 (en) * | 1966-09-09 | 1974-04-25 | Tscheskoslovenska Akademie Ved., Prag | Burners for flame photometry, especially for determining the physical and chemical properties of aerodisperse systems |
FR2212040A6 (en) * | 1971-07-22 | 1974-07-19 | France Etat | |
JPS51124488A (en) * | 1975-04-14 | 1976-10-29 | Leco Corp | Compressed combustion chamber for flame photometer |
FR2564230B1 (en) * | 1984-05-14 | 1986-10-24 | Cogema | ARMORED WATERPROOF ENCLOSURE EQUIPPED TO BE USED IN EMISSION SPECTROMETRY |
FR2648227B1 (en) * | 1989-06-09 | 1994-01-21 | Etat Francais Delegue Armement | PORTABLE AND AUTONOMOUS APPARATUS FOR IN SITU ANALYSIS OF A LIQUID OR SOLID SUBSTANCE IN THE FORM OF SURFACE DEPOSITS |
FR2656100B1 (en) * | 1989-12-18 | 1992-03-06 | France Etat Armement | BURNER FOR USE IN AN APPARATUS FOR THE ANALYSIS OF A GAS COMPOSITION BY FLAME SPECTROPHOTOMETRY. |
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1992
- 1992-06-11 FR FR9207034A patent/FR2692354A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2692354A1 (en) | 1993-12-17 |
Similar Documents
Legal Events
Date | Code | Title | Description |
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CJ | Change in legal form |