NL7301816A - - Google Patents
Info
- Publication number
- NL7301816A NL7301816A NL7301816A NL7301816A NL7301816A NL 7301816 A NL7301816 A NL 7301816A NL 7301816 A NL7301816 A NL 7301816A NL 7301816 A NL7301816 A NL 7301816A NL 7301816 A NL7301816 A NL 7301816A
- Authority
- NL
- Netherlands
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
- G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
-
- 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
- G01N21/251—Colorimeters; Construction thereof
- G01N21/253—Colorimeters; Construction thereof for batch operation, i.e. multisample apparatus
Landscapes
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Pathology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Immunology (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Spectrometry And Color Measurement (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00224457A US3819276A (en) | 1971-02-09 | 1972-02-08 | Digital direct reading colorimeter |
| US00310771A US3833864A (en) | 1972-11-30 | 1972-11-30 | Digital direct reading colorimeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7301816A true NL7301816A (xx) | 1973-08-10 |
Family
ID=26918732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7301816A NL7301816A (xx) | 1972-02-08 | 1973-02-08 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS4897582A (xx) |
| CA (1) | CA980147A (xx) |
| GB (1) | GB1424823A (xx) |
| NL (1) | NL7301816A (xx) |
| SE (1) | SE409368B (xx) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008058184A2 (en) * | 2006-11-07 | 2008-05-15 | Deka Products Limited Partnership | Method and apparatus for determining concentration using polarized light |
| EP2205949B1 (en) | 2007-11-02 | 2019-05-15 | DEKA Products Limited Partnership | Apparatus and methods for concentration determination using polarized light |
| CN112729465B (zh) * | 2021-01-13 | 2024-05-14 | 杭州师范大学 | 一种液体检测仪 |
-
1973
- 1973-02-02 SE SE7301448A patent/SE409368B/xx unknown
- 1973-02-06 GB GB574373A patent/GB1424823A/en not_active Expired
- 1973-02-07 CA CA163,059A patent/CA980147A/en not_active Expired
- 1973-02-08 JP JP1522573A patent/JPS4897582A/ja active Pending
- 1973-02-08 NL NL7301816A patent/NL7301816A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SE409368B (sv) | 1979-08-13 |
| JPS4897582A (xx) | 1973-12-12 |
| CA980147A (en) | 1975-12-23 |
| GB1424823A (en) | 1976-02-11 |