GB642725A - Improvements in or relating to gas analysers - Google Patents
Improvements in or relating to gas analysersInfo
- Publication number
- GB642725A GB642725A GB802147A GB802147A GB642725A GB 642725 A GB642725 A GB 642725A GB 802147 A GB802147 A GB 802147A GB 802147 A GB802147 A GB 802147A GB 642725 A GB642725 A GB 642725A
- Authority
- GB
- United Kingdom
- Prior art keywords
- gas
- chambers
- gases
- characteristic
- tubes
- 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
- 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)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR961038D FR961038A (enrdf_load_stackoverflow) | 1947-03-24 | ||
| GB802147A GB642725A (en) | 1947-03-24 | 1947-03-24 | Improvements in or relating to gas analysers |
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 |
|---|---|
| GB642725A true GB642725A (en) | 1950-09-13 |
Family
ID=9844271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB802147A Expired GB642725A (en) | 1947-03-24 | 1947-03-24 | Improvements in or relating to gas analysers |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR961038A (enrdf_load_stackoverflow) |
| GB (1) | GB642725A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19841491A1 (de) * | 1998-09-10 | 1999-09-16 | Siemens Ag | Opto-pneumatischer Detektor für ein nichtdispersives Infrarot-Gasanalysegerät |
-
0
- FR FR961038D patent/FR961038A/fr not_active Expired
-
1947
- 1947-03-24 GB GB802147A patent/GB642725A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19841491A1 (de) * | 1998-09-10 | 1999-09-16 | Siemens Ag | Opto-pneumatischer Detektor für ein nichtdispersives Infrarot-Gasanalysegerät |
Also Published As
| Publication number | Publication date |
|---|---|
| FR961038A (enrdf_load_stackoverflow) | 1950-04-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| SE7414392L (sv) | Metapparat for metning av forsmutsningsgrad | |
| GB849831A (en) | Improvements in or relating to devices for analyzing gas mixtures by absorption of rays | |
| GB642725A (en) | Improvements in or relating to gas analysers | |
| GB645576A (en) | Improvements in or relating to infra-red gas analysing apparatus | |
| US2605426A (en) | Infra-red gas analyzing apparatus | |
| GB710975A (en) | Improvements in or relating to spray drying | |
| US2583221A (en) | Infrared gas analyzing apparatus | |
| US3014129A (en) | Infra-red gas analysers | |
| FR939805A (fr) | Mise en contact de gaz ou de vapeurs avec des solides | |
| GB642750A (en) | Improvements in or relating to infra-red gas analysing apparatus | |
| GB634453A (en) | Improvements in gas detection and analysis | |
| GB791737A (en) | Improvements in or relating to infra-red gas analysers | |
| GB713612A (en) | Process and apparatus for the recovery of solvents on long webs | |
| US1390488A (en) | Absorption apparatus for analyzing gases | |
| GB643086A (en) | Improvements in or relating to infra-red analysing apparatus | |
| GB573880A (en) | Improved apparatus for dehumidifying air and gases | |
| GB678303A (en) | Improvements in and relating to apparatus for the analysis of mixtures of substances, by means of radiations | |
| GB516992A (en) | Improved method of and apparatus for analysing gaseous mixtures | |
| GB847924A (en) | Improvements in and relating to infra-red analysing apparatus | |
| GB655713A (en) | Improvements in quantitative analysis apparatus, in particular for gaseous mixtures | |
| US3103814A (en) | Process and apparatus for producing an auxiliary fluid flow which is proportional to a main fluid flow | |
| GB734578A (en) | A process and apparatus for the determination of isotope ratios of stable isotopes in a gas | |
| GB361279A (en) | Improvements in or relating to gas analysis apparatus | |
| Pennington | Determination of Water in Freon 12 | |
| SU126657A1 (ru) | Оптико-акустический способ газового анализа |