FR694302A - Dispositif indicateur de la pollution de l'atmosphère par du gaz d'éclairage ou des gaz analogues - Google Patents
Dispositif indicateur de la pollution de l'atmosphère par du gaz d'éclairage ou des gaz analoguesInfo
- Publication number
- FR694302A FR694302A FR694302DA FR694302A FR 694302 A FR694302 A FR 694302A FR 694302D A FR694302D A FR 694302DA FR 694302 A FR694302 A FR 694302A
- Authority
- FR
- France
- Prior art keywords
- atmosphere
- similar gases
- lighting gas
- pollution
- indicating pollution
- 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.)
- Expired
Links
- 239000007789 gas Substances 0.000 title 2
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
- G01N25/22—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on combustion or catalytic oxidation, e.g. of components of gas mixtures
- G01N25/28—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on combustion or catalytic oxidation, e.g. of components of gas mixtures the rise in temperature of the gases resulting from combustion being measured directly
- G01N25/34—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on combustion or catalytic oxidation, e.g. of components of gas mixtures the rise in temperature of the gases resulting from combustion being measured directly using mechanical temperature-responsive elements, e.g. bimetallic
- G01N25/36—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on combustion or catalytic oxidation, e.g. of components of gas mixtures the rise in temperature of the gases resulting from combustion being measured directly using mechanical temperature-responsive elements, e.g. bimetallic for investigating the composition of gas mixtures
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE340195X | 1929-04-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR694302A true FR694302A (fr) | 1930-12-02 |
Family
ID=6225496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR694302D Expired FR694302A (fr) | 1929-04-24 | 1930-04-23 | Dispositif indicateur de la pollution de l'atmosphère par du gaz d'éclairage ou des gaz analogues |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE372938A (enrdf_load_stackoverflow) |
| FR (1) | FR694302A (enrdf_load_stackoverflow) |
| GB (1) | GB340195A (enrdf_load_stackoverflow) |
-
0
- BE BE372938D patent/BE372938A/xx unknown
-
1930
- 1930-04-22 GB GB12403/30A patent/GB340195A/en not_active Expired
- 1930-04-23 FR FR694302D patent/FR694302A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE372938A (enrdf_load_stackoverflow) | |
| GB340195A (en) | 1930-12-24 |
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