GB178290A - Improvements in refractometers - Google Patents
Improvements in refractometersInfo
- Publication number
- GB178290A GB178290A GB8322/21A GB832221A GB178290A GB 178290 A GB178290 A GB 178290A GB 8322/21 A GB8322/21 A GB 8322/21A GB 832221 A GB832221 A GB 832221A GB 178290 A GB178290 A GB 178290A
- Authority
- GB
- United Kingdom
- Prior art keywords
- refractometers
- 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
- G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
- G01N21/4133—Refractometers, e.g. differential
-
- 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
- G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
- G01N21/43—Refractivity; Phase-affecting properties, e.g. optical path length by measuring critical angle
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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8322/21A GB178290A (en) | 1921-03-17 | 1921-03-17 | Improvements in refractometers |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8322/21A GB178290A (en) | 1921-03-17 | 1921-03-17 | Improvements in refractometers |
Publications (1)
Publication Number | Publication Date |
---|---|
GB178290A true GB178290A (en) | 1922-04-20 |
Family
ID=9850300
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8322/21A Expired GB178290A (en) | 1921-03-17 | 1921-03-17 | Improvements in refractometers |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB178290A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2574734A (en) * | 1949-07-20 | 1951-11-13 | Bausch & Lomb | Abbe type refractometer |
CN107238581A (en) * | 2017-04-20 | 2017-10-10 | 中国计量大学 | A kind of low intelligent refraction instrument of operation difficulty based on Internet of Things |
-
1921
- 1921-03-17 GB GB8322/21A patent/GB178290A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2574734A (en) * | 1949-07-20 | 1951-11-13 | Bausch & Lomb | Abbe type refractometer |
CN107238581A (en) * | 2017-04-20 | 2017-10-10 | 中国计量大学 | A kind of low intelligent refraction instrument of operation difficulty based on Internet of Things |
CN107238581B (en) * | 2017-04-20 | 2023-05-23 | 中国计量大学 | Intelligent refractometer with low operation difficulty based on Internet of things |
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