FR719010A - Portable device for measuring methane content in air, and the like - Google Patents
Portable device for measuring methane content in air, and the likeInfo
- Publication number
- FR719010A FR719010A FR719010DA FR719010A FR 719010 A FR719010 A FR 719010A FR 719010D A FR719010D A FR 719010DA FR 719010 A FR719010 A FR 719010A
- Authority
- FR
- France
- Prior art keywords
- air
- portable device
- methane content
- measuring methane
- measuring
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N7/00—Analysing materials by measuring the pressure or volume of a gas or vapour
- G01N7/02—Analysing materials by measuring the pressure or volume of a gas or vapour by absorption, adsorption, or combustion of components and measurement of the change in pressure or volume of the remainder
- G01N7/06—Analysing materials by measuring the pressure or volume of a gas or vapour by absorption, adsorption, or combustion of components and measurement of the change in pressure or volume of the remainder by combustion alone
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (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)
- Sampling And Sample Adjustment (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CS719010X | 1930-06-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR719010A true FR719010A (en) | 1932-02-01 |
Family
ID=5455100
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR719010D Expired FR719010A (en) | 1930-06-25 | 1931-06-23 | Portable device for measuring methane content in air, and the like |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE380840A (en) |
DE (1) | DE539517C (en) |
FR (1) | FR719010A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE947521C (en) * | 1950-10-26 | 1956-08-16 | Draegerwerk Ag | Methane detection device, especially for mining purposes |
-
0
- BE BE380840D patent/BE380840A/fr unknown
-
1930
- 1930-07-05 DE DE1930539517D patent/DE539517C/en not_active Expired
-
1931
- 1931-06-23 FR FR719010D patent/FR719010A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE947521C (en) * | 1950-10-26 | 1956-08-16 | Draegerwerk Ag | Methane detection device, especially for mining purposes |
Also Published As
Publication number | Publication date |
---|---|
DE539517C (en) | 1931-11-30 |
BE380840A (en) |
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