CH499773A - Photometer - Google Patents
PhotometerInfo
- Publication number
- CH499773A CH499773A CH1633167A CH1633167A CH499773A CH 499773 A CH499773 A CH 499773A CH 1633167 A CH1633167 A CH 1633167A CH 1633167 A CH1633167 A CH 1633167A CH 499773 A CH499773 A CH 499773A
- Authority
- CH
- Switzerland
- Prior art keywords
- log
- photometer
- light
- photoresistor
- intensity
- Prior art date
Links
- 230000001419 dependent effect Effects 0.000 claims 1
- 230000009102 absorption Effects 0.000 description 13
- 238000010521 absorption reaction Methods 0.000 description 13
- 238000005259 measurement Methods 0.000 description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000004737 colorimetric analysis Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- WUPHOULIZUERAE-UHFFFAOYSA-N 3-(oxolan-2-yl)propanoic acid Chemical compound OC(=O)CCC1CCCO1 WUPHOULIZUERAE-UHFFFAOYSA-N 0.000 description 1
- HKJKONMZMPUGHJ-UHFFFAOYSA-N 4-amino-5-hydroxy-3-[(4-nitrophenyl)diazenyl]-6-phenyldiazenylnaphthalene-2,7-disulfonic acid Chemical compound OS(=O)(=O)C1=CC2=CC(S(O)(=O)=O)=C(N=NC=3C=CC=CC=3)C(O)=C2C(N)=C1N=NC1=CC=C([N+]([O-])=O)C=C1 HKJKONMZMPUGHJ-UHFFFAOYSA-N 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 229910052980 cadmium sulfide Inorganic materials 0.000 description 1
- UHYPYGJEEGLRJD-UHFFFAOYSA-N cadmium(2+);selenium(2-) Chemical compound [Se-2].[Cd+2] UHYPYGJEEGLRJD-UHFFFAOYSA-N 0.000 description 1
- 238000001739 density measurement Methods 0.000 description 1
- 229910052981 lead sulfide Inorganic materials 0.000 description 1
- 229940056932 lead sulfide Drugs 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000005375 photometry Methods 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000002798 spectrophotometry method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J1/4228—Photometry, e.g. photographic exposure meter using electric radiation detectors arrangements with two or more detectors, e.g. for sensitivity compensation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J1/44—Electric circuits
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6616304A NL6616304A (xx) | 1966-11-18 | 1966-11-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH499773A true CH499773A (de) | 1970-11-30 |
Family
ID=19798231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1633167A CH499773A (de) | 1966-11-18 | 1967-11-17 | Photometer |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE705885A (xx) |
| CH (1) | CH499773A (xx) |
| DE (1) | DE1572695A1 (xx) |
| FR (1) | FR1583727A (xx) |
| GB (1) | GB1191719A (xx) |
| NL (1) | NL6616304A (xx) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3676686A (en) * | 1970-07-24 | 1972-07-11 | Instrumentation Specialties In | High sensitivity light absorbance apparatus |
| CN116429250B (zh) * | 2023-06-14 | 2023-10-13 | 深圳深浦电气有限公司 | 光电检测电路、光电检测方法和光电传感器 |
-
1966
- 1966-11-18 NL NL6616304A patent/NL6616304A/xx unknown
-
1967
- 1967-10-17 DE DE19671572695 patent/DE1572695A1/de active Pending
- 1967-10-17 FR FR1583727D patent/FR1583727A/fr not_active Expired
- 1967-10-30 BE BE705885D patent/BE705885A/xx unknown
- 1967-10-31 GB GB4943267A patent/GB1191719A/en not_active Expired
- 1967-11-17 CH CH1633167A patent/CH499773A/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| GB1191719A (en) | 1970-05-13 |
| FR1583727A (xx) | 1969-12-05 |
| BE705885A (xx) | 1968-03-01 |
| NL6616304A (xx) | 1968-05-20 |
| DE1572695A1 (de) | 1970-05-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |