DK158166C - APPARATUS FOR DETERMINING THE LIGHTNESS, CONCENTRATION AND DENSITY OF A FLUID - Google Patents

APPARATUS FOR DETERMINING THE LIGHTNESS, CONCENTRATION AND DENSITY OF A FLUID

Info

Publication number
DK158166C
DK158166C DK147083A DK147083A DK158166C DK 158166 C DK158166 C DK 158166C DK 147083 A DK147083 A DK 147083A DK 147083 A DK147083 A DK 147083A DK 158166 C DK158166 C DK 158166C
Authority
DK
Denmark
Prior art keywords
lightness
density
fluid
concentration
determining
Prior art date
Application number
DK147083A
Other languages
Danish (da)
Other versions
DK158166B (en
DK147083D0 (en
DK147083A (en
Inventor
Reiji Takeda
Shozo Oikawa
Original Assignee
Nippon Beet Sugar Mfg
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
Priority claimed from JP5283482A external-priority patent/JPS58169050A/en
Priority claimed from JP20015782A external-priority patent/JPS5990032A/en
Application filed by Nippon Beet Sugar Mfg filed Critical Nippon Beet Sugar Mfg
Publication of DK147083D0 publication Critical patent/DK147083D0/en
Publication of DK147083A publication Critical patent/DK147083A/en
Publication of DK158166B publication Critical patent/DK158166B/en
Application granted granted Critical
Publication of DK158166C publication Critical patent/DK158166C/en

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
DK147083A 1982-03-31 1983-03-30 APPARATUS FOR DETERMINING THE LIGHTNESS, CONCENTRATION AND DENSITY OF A FLUID DK158166C (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP5283482A JPS58169050A (en) 1982-03-31 1982-03-31 Apparatus for measuring density, concentration, specific gravity and the like of liquid
JP5283482 1982-03-31
JP20015782 1982-11-15
JP20015782A JPS5990032A (en) 1982-11-15 1982-11-15 Device for measuring density, concentration, specific gravity or the like of liquid

Publications (4)

Publication Number Publication Date
DK147083D0 DK147083D0 (en) 1983-03-30
DK147083A DK147083A (en) 1983-10-01
DK158166B DK158166B (en) 1990-04-02
DK158166C true DK158166C (en) 1990-08-27

Family

ID=26393504

Family Applications (1)

Application Number Title Priority Date Filing Date
DK147083A DK158166C (en) 1982-03-31 1983-03-30 APPARATUS FOR DETERMINING THE LIGHTNESS, CONCENTRATION AND DENSITY OF A FLUID

Country Status (8)

Country Link
CA (1) CA1207553A (en)
DE (1) DE3311202A1 (en)
DK (1) DK158166C (en)
FR (1) FR2524643B1 (en)
GB (1) GB2121556B (en)
IT (1) IT1161809B (en)
NL (1) NL8301172A (en)
SE (1) SE460561B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6275230A (en) * 1985-09-26 1987-04-07 チバ−ガイギ−　アクチエンゲゼルシヤフト Analyzing method
FR2594951B1 (en) * 1986-02-24 1989-08-04 Photonique Ind PROCESS FOR MEASURING THE PHYSICAL CHARACTERISTICS OF A LIQUID OR GASEOUS MEDIUM AND FIBER OPTIC DEVICE FOR IMPLEMENTING IT
GB8614741D0 (en) * 1986-06-17 1986-07-23 Bellhouse Medical Products Ltd Optical sensor
DE8718006U1 (en) * 1987-02-17 1992-10-22 Franz Schmidt & Haensch Gmbh & Co, 1000 Berlin, De
GB8818690D0 (en) * 1988-08-05 1988-09-07 Red Kite Technology Ltd Refractive index measurement
DE4038354C2 (en) * 1990-12-01 1994-06-30 Bruker Analytische Messtechnik ATR measuring probe
FR2694629B1 (en) * 1992-08-10 1995-06-30 Berechet Ion SEMIGLOBULAR-COMPACT REFRACTOMETRIC SENSOR.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1209036A (en) * 1967-06-19 1970-10-14 Nat Res Dev Improvements in or relating to refractometers
DE2137842C3 (en) * 1971-07-28 1981-11-05 Ulrich, Helmut, Dipl.-Chem., 8000 München Refractometer
GB1563374A (en) * 1977-03-31 1980-03-26 Marconi Co Ltd Device for providing an indication of the refractive index of a fluid
US4240747A (en) * 1979-10-03 1980-12-23 Battelle Memorial Institute Refractive-index responsive light-signal system

Also Published As

Publication number Publication date
FR2524643B1 (en) 1986-05-09
SE460561B (en) 1989-10-23
NL8301172A (en) 1983-10-17
DK158166B (en) 1990-04-02
IT8320383A0 (en) 1983-03-30
SE8301800D0 (en) 1983-03-30
DK147083D0 (en) 1983-03-30
IT1161809B (en) 1987-03-18
GB2121556B (en) 1985-10-23
GB2121556A (en) 1983-12-21
CA1207553A (en) 1986-07-15
FR2524643A1 (en) 1983-10-07
DK147083A (en) 1983-10-01
SE8301800L (en) 1983-10-01
DE3311202C2 (en) 1988-05-11
DE3311202A1 (en) 1983-10-06

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Legal Events

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PBP Patent lapsed
PBP Patent lapsed