DE8505421U1 - - Google Patents
Info
- Publication number
- DE8505421U1 DE8505421U1 DE19858505421 DE8505421U DE8505421U1 DE 8505421 U1 DE8505421 U1 DE 8505421U1 DE 19858505421 DE19858505421 DE 19858505421 DE 8505421 U DE8505421 U DE 8505421U DE 8505421 U1 DE8505421 U1 DE 8505421U1
- Authority
- DE
- Germany
- 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
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/22—Absorbing filters
- G02B5/223—Absorbing filters containing organic substances, e.g. dyes, inks or pigments
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- 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
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
- G01N21/783—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour for analysing gases
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19858505421 DE8505421U1 (ja) | 1985-02-26 | 1985-02-26 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19858505421 DE8505421U1 (ja) | 1985-02-26 | 1985-02-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE8505421U1 true DE8505421U1 (ja) | 1988-08-18 |
Family
ID=6777895
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19858505421 Expired DE8505421U1 (ja) | 1985-02-26 | 1985-02-26 |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE8505421U1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4303858A1 (de) * | 1993-02-10 | 1994-08-11 | Draegerwerk Ag | Vorrichtung zur automatischen optischen Auswertung kolorimetrischer Verfärbungszonen auf einem Träger zum Nachweis von gas- und/oder dampfförmigen Komponenten eines Gasgemisches |
-
1985
- 1985-02-26 DE DE19858505421 patent/DE8505421U1/de not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4303858A1 (de) * | 1993-02-10 | 1994-08-11 | Draegerwerk Ag | Vorrichtung zur automatischen optischen Auswertung kolorimetrischer Verfärbungszonen auf einem Träger zum Nachweis von gas- und/oder dampfförmigen Komponenten eines Gasgemisches |