FR2245945A1 - Measuring suspended solids content in liquid media - by infrared pulsating light beam from light-emitting diodes - Google Patents
Measuring suspended solids content in liquid media - by infrared pulsating light beam from light-emitting diodesInfo
- Publication number
- FR2245945A1 FR2245945A1 FR7432670A FR7432670A FR2245945A1 FR 2245945 A1 FR2245945 A1 FR 2245945A1 FR 7432670 A FR7432670 A FR 7432670A FR 7432670 A FR7432670 A FR 7432670A FR 2245945 A1 FR2245945 A1 FR 2245945A1
- Authority
- FR
- France
- Prior art keywords
- light
- solids content
- suspended solids
- emitting diodes
- liquid media
- 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.)
- Withdrawn
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
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
- G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
- G01N21/534—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke by measuring transmission alone, i.e. determining opacity
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7313156A SE382116B (sv) | 1973-09-27 | 1973-09-27 | Sett for fotometrisk uppmetning av slamhalten vid rening av avloppsvatten samt anordning for genomforande av forfarandet |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2245945A1 true FR2245945A1 (en) | 1975-04-25 |
Family
ID=20318660
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7432670A Withdrawn FR2245945A1 (en) | 1973-09-27 | 1974-09-27 | Measuring suspended solids content in liquid media - by infrared pulsating light beam from light-emitting diodes |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS5062094A (sv) |
DE (1) | DE2445852A1 (sv) |
FR (1) | FR2245945A1 (sv) |
SE (1) | SE382116B (sv) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0165116A1 (fr) * | 1984-05-10 | 1985-12-18 | Commissariat A L'energie Atomique | Système de détection optique à distance |
FR2703459A1 (fr) * | 1993-01-27 | 1994-10-07 | Rybak Boris | Turbidimètres obscurs. |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE390458B (sv) * | 1975-05-14 | 1976-12-20 | Tellusond Ab | Forfarande och anordning for detektering av spetor i massa |
SE453016B (sv) * | 1981-11-25 | 1988-01-04 | Bergstrom Per Hakan Sture | Metanordning for metning av koncentrationen av partiklar som transporteras med en vetska genom ett ror |
SE453015B (sv) * | 1981-11-25 | 1988-01-04 | Bergstrom Per Hakan Sture | Metanordning avsedd for metning av koncentrationen av partiklar som transporteras med en vetska genom ett ror |
SE502148C2 (sv) * | 1993-12-03 | 1995-08-28 | Bexelius | Anordning för mätning av mängden fast substans i ett fluidum med ljus |
DE19726518B4 (de) * | 1997-06-23 | 2004-02-05 | Suhr, Hajo, Prof. Dr. | In situ Mikroskopsonde für die Partikelmeßtechnik |
-
1973
- 1973-09-27 SE SE7313156A patent/SE382116B/sv unknown
-
1974
- 1974-09-26 DE DE19742445852 patent/DE2445852A1/de active Pending
- 1974-09-27 FR FR7432670A patent/FR2245945A1/fr not_active Withdrawn
- 1974-09-27 JP JP11223974A patent/JPS5062094A/ja active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0165116A1 (fr) * | 1984-05-10 | 1985-12-18 | Commissariat A L'energie Atomique | Système de détection optique à distance |
FR2703459A1 (fr) * | 1993-01-27 | 1994-10-07 | Rybak Boris | Turbidimètres obscurs. |
Also Published As
Publication number | Publication date |
---|---|
DE2445852A1 (de) | 1975-04-10 |
JPS5062094A (sv) | 1975-05-27 |
SE382116B (sv) | 1976-01-12 |
SE7313156L (sv) | 1975-04-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |