DD99860A1 - - Google Patents
Info
- Publication number
- DD99860A1 DD99860A1 DD16115272A DD16115272A DD99860A1 DD 99860 A1 DD99860 A1 DD 99860A1 DD 16115272 A DD16115272 A DD 16115272A DD 16115272 A DD16115272 A DD 16115272A DD 99860 A1 DD99860 A1 DD 99860A1
- Authority
- DD
- German Democratic Republic
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 |
|---|---|---|---|
| DD16115272A DD99860A1 (en) | 1972-02-28 | 1972-02-28 | |
| DE19722229356 DE2229356A1 (en) | 1972-02-28 | 1972-06-16 | METHOD AND DEVICE FOR MODULATION OF RADIATION IN INFRARED GAS ANALYZERS |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD16115272A DD99860A1 (en) | 1972-02-28 | 1972-02-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD99860A1 true DD99860A1 (en) | 1973-08-20 |
Family
ID=5485485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD16115272A DD99860A1 (en) | 1972-02-28 | 1972-02-28 |
Country Status (2)
| Country | Link |
|---|---|
| DD (1) | DD99860A1 (en) |
| DE (1) | DE2229356A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4598201A (en) * | 1984-08-09 | 1986-07-01 | Mine Safety Appliances Company | Infrared fluid analyzer employing a pneumatic detector |
| DE4413670C2 (en) * | 1993-04-21 | 1998-02-12 | Palocz Andresen Michael Dr Ing | Infrared gas analyzer |
-
1972
- 1972-02-28 DD DD16115272A patent/DD99860A1/xx unknown
- 1972-06-16 DE DE19722229356 patent/DE2229356A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2229356A1 (en) | 1973-09-13 |