GB837868A - Method of and apparatus for measuring optical properties of substances - Google Patents
Method of and apparatus for measuring optical properties of substancesInfo
- Publication number
- GB837868A GB837868A GB13066/56A GB1306656A GB837868A GB 837868 A GB837868 A GB 837868A GB 13066/56 A GB13066/56 A GB 13066/56A GB 1306656 A GB1306656 A GB 1306656A GB 837868 A GB837868 A GB 837868A
- Authority
- GB
- United Kingdom
- Prior art keywords
- analyser
- polarizer
- substance
- light
- april
- 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
- G01N21/21—Polarisation-affecting properties
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2208/00—Control devices associated with burners
- F23D2208/005—Controlling air supply in radiant gas burners
Landscapes
- Physics & Mathematics (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)
Abstract
837,868. Measuring optical properties photoelectrically. DEUTSCHE ERDOL-A.G. April 27, 1956 [April 30, 1955], No. 13066/56. Class 40(3). A substance on which optical data is required is placed between a polarizer and an analyser having periodic relative rotary movement about a light beam, the temperature of the substance is varied, and the emergent light intensity from the analyser is measured photoelectrically and recorded. Constant-intensity light from source A passed through polarizer E, the axial bore of temperature-varied chamber C containing test substance Q, and continuously rotating analyser F to photo-cell O whose output is fed via switch M to amplifier K and recorder L. At intervals the switch interrupts the photo-cell output and connects electric thermometer N via attenuator P to the amplifier. The light beam may be filtered before or after it passes through the test substance. The recording paper moves slowly relative to the analyser rotation and the form of the resultant traces as the substance cools indicates the effect of e.g. anistropy, Figs. 2-4 (not shown). Turbidity alone may be measured by interposing an analogous polarizer E<1> and removing polarizer E from the light path.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE837868X | 1955-04-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB837868A true GB837868A (en) | 1960-06-15 |
Family
ID=68695523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB13066/56A Expired GB837868A (en) | 1955-04-30 | 1956-04-27 | Method of and apparatus for measuring optical properties of substances |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH343151A (en) |
| FR (1) | FR1148286A (en) |
| GB (1) | GB837868A (en) |
-
1956
- 1956-03-23 CH CH343151D patent/CH343151A/en unknown
- 1956-04-27 GB GB13066/56A patent/GB837868A/en not_active Expired
- 1956-04-30 FR FR1148286D patent/FR1148286A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1148286A (en) | 1957-12-05 |
| CH343151A (en) | 1959-12-15 |
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