FI933907A - Refraktometri - Google Patents

Refraktometri Download PDF

Info

Publication number
FI933907A
FI933907A FI933907A FI933907A FI933907A FI 933907 A FI933907 A FI 933907A FI 933907 A FI933907 A FI 933907A FI 933907 A FI933907 A FI 933907A FI 933907 A FI933907 A FI 933907A
Authority
FI
Finland
Prior art keywords
light
solution
optical window
pencil
light source
Prior art date
Application number
FI933907A
Other languages
English (en)
Swedish (sv)
Other versions
FI96451C (fi
FI96451B (fi
FI933907A0 (fi
Inventor
Jan Kaohre
Original Assignee
Janesko Oy
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 Janesko Oy filed Critical Janesko Oy
Priority to FI933907A priority Critical patent/FI96451C/fi
Publication of FI933907A0 publication Critical patent/FI933907A0/fi
Publication of FI933907A publication Critical patent/FI933907A/fi
Priority to US08/589,568 priority patent/US5742382A/en
Application granted granted Critical
Publication of FI96451B publication Critical patent/FI96451B/fi
Publication of FI96451C publication Critical patent/FI96451C/fi

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

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)
FI933907A 1993-09-07 1993-09-07 Refraktometri FI96451C (fi)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI933907A FI96451C (fi) 1993-09-07 1993-09-07 Refraktometri
US08/589,568 US5742382A (en) 1993-09-07 1996-01-22 Refractometer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI933907 1993-09-07
FI933907A FI96451C (fi) 1993-09-07 1993-09-07 Refraktometri

Publications (4)

Publication Number Publication Date
FI933907A0 FI933907A0 (fi) 1993-09-07
FI933907A true FI933907A (fi) 1995-03-08
FI96451B FI96451B (fi) 1996-03-15
FI96451C FI96451C (fi) 1996-06-25

Family

ID=8538542

Family Applications (1)

Application Number Title Priority Date Filing Date
FI933907A FI96451C (fi) 1993-09-07 1993-09-07 Refraktometri

Country Status (2)

Country Link
US (1) US5742382A (fi)
FI (1) FI96451C (fi)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5969808A (en) * 1997-07-31 1999-10-19 Leicamicrosystems, Inc. Brake check handheld refractometer
AU755635B2 (en) * 1998-10-01 2002-12-19 Minntech Corporation Endoscope reprocessing and sterilization system
DE10007818A1 (de) * 2000-02-21 2001-08-23 Mahrt Karl Heinz Hochdruckfester kompakter Präzionsmeßkopf für hochgenaue optische Brechungsindexmessungen in ruhenden und strömenden Flüssigkeiten und Gasen, insbesondere geeignet für den massenhaften Einsatz in Einwegsonden für in situ-Untersuchungen in der Tiefsee
WO2006086682A2 (en) * 2005-02-11 2006-08-17 Swagelok Company Fluid concentration sensing arrangement
DE102005041584B4 (de) * 2005-09-01 2007-08-16 Universität Karlsruhe (Th) Differentielles Messverfahren zur Bestimmung von Konzentrationsunterschieden zur Übersättigungsbestimmung
FI124951B (fi) * 2010-02-05 2015-04-15 Jan Kåhre Optinen järjestelmä
FI20135064L (fi) 2013-01-23 2014-07-24 Janesko Oy Menetelmä taitekertoimen mittaamiseksi ja refraktometri
WO2023023964A1 (zh) * 2021-08-25 2023-03-02 深圳市流数科技有限公司 一种折光仪、智能杯和探测折射率的方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5351768A (en) * 1976-10-20 1978-05-11 Yuasa Battery Co Ltd Apparatus for measuring specific gravity of battery electrolyte
US4699516A (en) * 1984-10-29 1987-10-13 The Dow Chemical Company Apparatus and methods for determining cell size
US4640616A (en) * 1984-12-06 1987-02-03 The Cambridge Instrument Company Plc Automatic refractometer
US4639594A (en) * 1984-12-17 1987-01-27 Carrier Corporation Fiberoptic probe and method of making and using
US4699511A (en) * 1985-04-03 1987-10-13 Seaver George A Refraction sensor
DE3705359A1 (de) * 1987-02-17 1988-08-25 Schmidt & Haensch Franz Elektronisches refraktometer
US4844608A (en) * 1987-03-23 1989-07-04 American Telephone And Telegraph Company At&T Bell Laboratories Solution monitoring procedure
JPH0197633A (ja) * 1987-10-09 1989-04-17 Sumitomo Bakelite Co Ltd 印刷回路用積層板の製造方法
US4998022A (en) * 1988-03-22 1991-03-05 Conax Buffalo Corporation Optical liquid level sensor using a polytetrafluoroethylene perfluoroalkoxy material
JPH01320449A (ja) * 1988-06-22 1989-12-26 Nec Corp 光学測定器
DE3831346A1 (de) * 1988-09-15 1990-04-05 Zeiss Carl Fa Refraktometer mit brechzahlabhaengiger aperturteilung

Also Published As

Publication number Publication date
FI96451C (fi) 1996-06-25
FI96451B (fi) 1996-03-15
FI933907A0 (fi) 1993-09-07
US5742382A (en) 1998-04-21

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Legal Events

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MA Patent expired