FR961038A - - Google Patents
Info
- Publication number
- FR961038A FR961038A FR961038DA FR961038A FR 961038 A FR961038 A FR 961038A FR 961038D A FR961038D A FR 961038DA FR 961038 A FR961038 A FR 961038A
- 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
Links
Classifications
-
- 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
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/37—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using pneumatic detection
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB802147A GB642725A (en) | 1947-03-24 | 1947-03-24 | Improvements in or relating to gas analysers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR961038A true FR961038A (en) | 1950-04-28 |
Family
ID=9844271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR961038D Expired FR961038A (en) | 1947-03-24 |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR961038A (en) |
| GB (1) | GB642725A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19841491A1 (en) * | 1998-09-10 | 1999-09-16 | Siemens Ag | Optopneumatic detector for nondispersive infrared gas analyser |
-
0
- FR FR961038D patent/FR961038A/fr not_active Expired
-
1947
- 1947-03-24 GB GB802147A patent/GB642725A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB642725A (en) | 1950-09-13 |