FR1439793A - Device allowing colorimetric measurements on liquid or solid samples - Google Patents
Device allowing colorimetric measurements on liquid or solid samplesInfo
- Publication number
- FR1439793A FR1439793A FR21061A FR13021061A FR1439793A FR 1439793 A FR1439793 A FR 1439793A FR 21061 A FR21061 A FR 21061A FR 13021061 A FR13021061 A FR 13021061A FR 1439793 A FR1439793 A FR 1439793A
- Authority
- FR
- France
- Prior art keywords
- liquid
- device allowing
- solid samples
- colorimetric measurements
- allowing colorimetric
- 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
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/314—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (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 |
---|---|---|---|
FR21061A FR1439793A (en) | 1965-07-15 | 1965-07-15 | Device allowing colorimetric measurements on liquid or solid samples |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR21061A FR1439793A (en) | 1965-07-15 | 1965-07-15 | Device allowing colorimetric measurements on liquid or solid samples |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1439793A true FR1439793A (en) | 1966-05-20 |
Family
ID=8582233
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR21061A Expired FR1439793A (en) | 1965-07-15 | 1965-07-15 | Device allowing colorimetric measurements on liquid or solid samples |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1439793A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4193694A (en) * | 1978-07-03 | 1980-03-18 | Smith Charles R | Photosensitive color monitoring device and method of measurement of concentration of a colored component in a fluid |
FR2485054A1 (en) * | 1980-06-18 | 1981-12-24 | Labo Electronique Physique | METHOD FOR DETECTING THE DETECTION DURING A WASHING OPERATION IN A WASHING MACHINE AND CARRYING OUT SAID METHOD |
CN111665204A (en) * | 2019-03-08 | 2020-09-15 | 天津大学 | Water body nitrogen and phosphorus element content analysis based on photoelectric characteristics of photoresistor |
-
1965
- 1965-07-15 FR FR21061A patent/FR1439793A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4193694A (en) * | 1978-07-03 | 1980-03-18 | Smith Charles R | Photosensitive color monitoring device and method of measurement of concentration of a colored component in a fluid |
FR2485054A1 (en) * | 1980-06-18 | 1981-12-24 | Labo Electronique Physique | METHOD FOR DETECTING THE DETECTION DURING A WASHING OPERATION IN A WASHING MACHINE AND CARRYING OUT SAID METHOD |
CN111665204A (en) * | 2019-03-08 | 2020-09-15 | 天津大学 | Water body nitrogen and phosphorus element content analysis based on photoelectric characteristics of photoresistor |
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