SE373665B - Optoelektrisk anordning for metning och reglering av koncentrationen av losningar - Google Patents

Optoelektrisk anordning for metning och reglering av koncentrationen av losningar

Info

Publication number
SE373665B
SE373665B SE7205741A SE574172A SE373665B SE 373665 B SE373665 B SE 373665B SE 7205741 A SE7205741 A SE 7205741A SE 574172 A SE574172 A SE 574172A SE 373665 B SE373665 B SE 373665B
Authority
SE
Sweden
Prior art keywords
saturation
solutions
concentration
control
optoelectric device
Prior art date
Application number
SE7205741A
Other languages
English (en)
Swedish (sv)
Inventor
A Michel
W Rummel
Original Assignee
Siemens Ag
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of SE373665B publication Critical patent/SE373665B/xx

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
    • G01N21/43—Refractivity; Phase-affecting properties, e.g. optical path length by measuring critical angle
    • G01N21/431—Dip refractometers, e.g. using optical fibres
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S250/00—Radiant energy
    • Y10S250/90—Optical liquid level sensors
    • Y10S250/901—Optical liquid level sensors with gap between light guide elements, includes open light path preset
    • Y10S250/902—Optical liquid level sensors with gap between light guide elements, includes open light path preset with closed light path preset
    • Y10S250/903—Optical liquid level sensors with gap between light guide elements, includes open light path preset with closed light path preset with prism contacting liquid

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)
SE7205741A 1971-05-03 1972-05-02 Optoelektrisk anordning for metning och reglering av koncentrationen av losningar SE373665B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712121744 DE2121744A1 (de) 1971-05-03 1971-05-03 Optoelektronische Einrichtung zur Messung und Regelung der Konzentration von Lösungen

Publications (1)

Publication Number Publication Date
SE373665B true SE373665B (sv) 1975-02-10

Family

ID=5806705

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7205741A SE373665B (sv) 1971-05-03 1972-05-02 Optoelektrisk anordning for metning och reglering av koncentrationen av losningar

Country Status (11)

Country Link
US (1) US3751672A (it)
BE (1) BE782944A (it)
BR (1) BR7202758D0 (it)
CA (1) CA959670A (it)
DE (1) DE2121744A1 (it)
FR (1) FR2135584B1 (it)
GB (1) GB1362732A (it)
IT (1) IT954925B (it)
LU (1) LU65280A1 (it)
NL (1) NL7205326A (it)
SE (1) SE373665B (it)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4012671A (en) * 1975-10-14 1977-03-15 Gulf & Western Industries, Inc. Trigger circuit
JPS5351768A (en) * 1976-10-20 1978-05-11 Yuasa Battery Co Ltd Apparatus for measuring specific gravity of battery electrolyte
DE2860995D1 (en) * 1977-07-01 1981-11-26 Battelle Memorial Institute Device for generating a light signal characteristic of the refractive index of a fluidand and its use
CH652825A5 (fr) * 1980-09-18 1985-11-29 Battelle Memorial Institute Dispositif a double sonde optique pour determiner l'indice de refraction d'un fluide ramene a une temperature de reference predeterminee.
CH640056A5 (fr) * 1981-01-30 1983-12-15 Battelle Memorial Institute Dispositif pour determiner l'indice de refraction d'un fluide ramene a une temperature de reference.
US4561776A (en) * 1981-03-25 1985-12-31 Diffracto Ltd. Electro-optical sensors for tool and robotic inspection
CA1273223A (en) * 1985-06-25 1990-08-28 Richard D. Mclachlan Methods and apparatus for measuring the light absorbance of a fluid medium
JPS6275230A (ja) * 1985-09-26 1987-04-07 チバ−ガイギ−　アクチエンゲゼルシヤフト 分析法
US4803470A (en) * 1986-04-23 1989-02-07 Howard Fineman Substance detector device
US4840137A (en) * 1987-07-01 1989-06-20 Casco Products Corporation Liquid level gauging apparatus
US4859987A (en) * 1987-12-11 1989-08-22 Casco Products Corporation Apparatus and method for monitoring liquid levels
US4835389A (en) * 1988-02-19 1989-05-30 Laser Precision Corporation Internal reflection spectroscopy for deep container immersion
US5051551A (en) * 1989-05-18 1991-09-24 Axiom Analytical, Inc. Immersion probe for infrared internal reflectance spectroscopy
GB9108974D0 (en) * 1991-04-26 1991-06-12 Nat Res Dev Optical probe heads
US5279157A (en) * 1992-08-03 1994-01-18 Casco Products Corporation Liquid level monitor
US5381022A (en) * 1993-12-10 1995-01-10 Imo Industries, Inc. Combined optical waveguide and prismatic liquid-level sensor
US5552604A (en) * 1994-05-13 1996-09-03 Donald W. Sting Optical sensing with crystal assembly sensing tip
US7317533B2 (en) * 2005-01-14 2008-01-08 Jetalon Solutions, Inc. Metal ion concentration analysis for liquids
US7319523B2 (en) * 2005-09-26 2008-01-15 Jetalon Solutions, Inc. Apparatus for a liquid chemical concentration analysis system
US8602640B2 (en) * 2009-05-20 2013-12-10 Entegris—Jetalon Solutions, Inc. Sensing system and method
US8542353B2 (en) * 2010-09-30 2013-09-24 Precision Energy Services, Inc. Refractive index sensor for fluid analysis
EP3315948B1 (de) * 2016-10-26 2019-09-04 Heraeus Quarzglas GmbH & Co. KG Verfahren zur ermittlung des brechzahlprofils eines zylinderförmigen optischen gegenstandes
FI20215647A1 (en) * 2020-07-31 2022-02-01 Kaahre Jan Optical multimeter
US11788927B2 (en) 2021-02-26 2023-10-17 Heraeus Quartz North America Llc Evaluation of preforms with non-step-index refractive-index-profile (RIP)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2394949A (en) * 1943-07-01 1946-02-12 Bausch & Lomb Refractometer
US2807976A (en) * 1955-10-11 1957-10-01 Electron Machine Corp Refractometer
GB1116560A (en) * 1966-02-12 1968-06-06 Gullick Ltd Improvements in or relating to apparatus for the determination and/or control of the proportions of the constituents in a fluid mixture of emulsion
DE1623094B2 (de) * 1967-05-26 1976-12-30 Siemens AG, 1000 Berlin und 8000 München Vorrichtung zum regeln der konzentration von optisch durchlaessigen loesungen
DE1614865A1 (de) * 1967-09-27 1970-12-23 Telefunken Patent Optoelektronische Halbleiteranordnung

Also Published As

Publication number Publication date
GB1362732A (en) 1974-08-07
BE782944A (fr) 1972-09-30
DE2121744A1 (de) 1972-11-09
LU65280A1 (it) 1972-08-23
CA959670A (en) 1974-12-24
BR7202758D0 (pt) 1973-06-12
IT954925B (it) 1973-09-15
NL7205326A (it) 1972-11-07
FR2135584B1 (it) 1973-07-13
FR2135584A1 (it) 1972-12-22
US3751672A (en) 1973-08-07

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