ZA882454B - Method of analysing a liquid - Google Patents
Method of analysing a liquidInfo
- Publication number
- ZA882454B ZA882454B ZA882454A ZA882454A ZA882454B ZA 882454 B ZA882454 B ZA 882454B ZA 882454 A ZA882454 A ZA 882454A ZA 882454 A ZA882454 A ZA 882454A ZA 882454 B ZA882454 B ZA 882454B
- Authority
- ZA
- South Africa
- Prior art keywords
- liquid
- guide
- drop
- analysing
- radiation
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/02—Burettes; Pipettes
- B01L3/0241—Drop counters; Drop formers
-
- 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
- G01N21/255—Details, e.g. use of specially adapted sources, lighting or optical systems
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
- G01N11/02—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by measuring flow of the material
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N13/00—Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
- G01N13/02—Investigating surface tension of liquids
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N13/00—Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
- G01N13/02—Investigating surface tension of liquids
- G01N2013/0241—Investigating surface tension of liquids bubble, pendant drop, sessile drop methods
-
- 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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/03—Cuvette constructions
- G01N2021/0346—Capillary cells; Microcells
- G01N2021/035—Supports for sample drops
-
- 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
- G01N2021/1738—Optionally different kinds of measurements; Method being valid for different kinds of measurement
-
- 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
- G01N2021/1738—Optionally different kinds of measurements; Method being valid for different kinds of measurement
- G01N2021/174—Optionally different kinds of measurements; Method being valid for different kinds of measurement either absorption-reflection or emission-fluorescence
-
- 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
- G01N21/84—Systems specially adapted for particular applications
- G01N21/85—Investigating moving fluids or granular solids
- G01N2021/8557—Special shaping of flow, e.g. using a by-pass line, jet flow, curtain flow
- G01N2021/8564—Sample as drops
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
- G01N2035/1027—General features of the devices
- G01N2035/1034—Transferring microquantities of liquid
- G01N2035/1046—Levitated, suspended drops
-
- 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
- G01N21/1702—Systems in which incident light is modified in accordance with the properties of the material investigated with opto-acoustic detection, e.g. for gases or analysing solids
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/08—Optical fibres; light guides
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Clinical Laboratory Science (AREA)
- General Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
- Optical Measuring Cells (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IE94787 | 1987-04-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA882454B true ZA882454B (en) | 1988-09-29 |
Family
ID=11020118
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA882454A ZA882454B (en) | 1987-04-10 | 1988-04-08 | Method of analysing a liquid |
Country Status (7)
Country | Link |
---|---|
US (1) | US4910402A (xx) |
EP (1) | EP0286419B1 (xx) |
JP (1) | JPS6438633A (xx) |
AT (1) | ATE77881T1 (xx) |
AU (1) | AU625333B2 (xx) |
DE (1) | DE3872427T2 (xx) |
ZA (1) | ZA882454B (xx) |
Families Citing this family (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DD271953A1 (de) * | 1988-05-09 | 1989-09-20 | Zeiss Jena Veb Carl | Einrichtung zur automatischen photometrischen analyse kleinster probenmengen |
EP0364203A1 (en) * | 1988-10-10 | 1990-04-18 | Phyber Holdings Limited | A liquid drop forming device |
WO1990005297A1 (de) * | 1988-10-31 | 1990-05-17 | Schweizerische Eidgenossenschaft Psi Paul Scherrer Institut | Vorrichtung zur gleichzeitigen berührungslosen prüfung einer mehrzahl von stellen eines prüfguts sowie deren verwendung |
US5125749A (en) * | 1990-09-24 | 1992-06-30 | The Dow Chemical Company | Probe for photoacoustic analysis |
US5343045A (en) * | 1993-06-11 | 1994-08-30 | Ontario Hydro | Method and device for measuring moisture content |
GB9322352D0 (en) * | 1993-10-29 | 1993-12-15 | Univ Brunel | Sensor device |
FI95322C (fi) * | 1994-03-02 | 1996-01-10 | Instrumentarium Oy | Spektroskooppinen mittausanturi väliaineiden analysointiin |
US6174424B1 (en) | 1995-11-20 | 2001-01-16 | Cirrex Corp. | Couplers for optical fibers |
US5764840A (en) * | 1995-11-20 | 1998-06-09 | Visionex, Inc. | Optical fiber with enhanced light collection and illumination and having highly controlled emission and acceptance patterns |
US5953477A (en) * | 1995-11-20 | 1999-09-14 | Visionex, Inc. | Method and apparatus for improved fiber optic light management |
EP0886796A1 (en) * | 1996-03-13 | 1998-12-30 | Visionex, Inc. | Method and apparatus for improved fiber optic light management |
US6404953B1 (en) | 1996-03-13 | 2002-06-11 | Cirrex Corp. | Optical assembly with high performance filter |
US5766959A (en) * | 1996-05-24 | 1998-06-16 | The Dow Chemical Company | Method for determining a component using a liquid film or droplet |
US5911017A (en) * | 1996-07-31 | 1999-06-08 | Visionex, Inc. | Fiber optic interface for laser spectroscopic Raman probes |
DE19635348C1 (de) | 1996-08-31 | 1998-03-05 | Herbert Windolph | Verfahren und Vorrichtung zur Volumenbestimmung von Flüssigkeits-Tropfen |
US5901261A (en) * | 1997-06-19 | 1999-05-04 | Visionex, Inc. | Fiber optic interface for optical probes with enhanced photonic efficiency, light manipulation, and stray light rejection |
US6309600B1 (en) * | 1997-08-28 | 2001-10-30 | Biotrove, Inc. | Apparatus for droplet microchemistry |
JPH11291895A (ja) * | 1998-04-09 | 1999-10-26 | Honda Motor Co Ltd | ブレーキ液の沸点管理システム |
US6580935B1 (en) | 1999-03-12 | 2003-06-17 | Cirrex Corp. | Method and system for stabilizing reflected light |
GB9908170D0 (en) * | 1999-04-09 | 1999-06-02 | Central Research Lab Ltd | System and method for analysing a material |
EP1950553B1 (en) | 1999-08-20 | 2016-02-24 | Nanodrop Technologies LLC | Liquid photometer using surface tension to contain sample |
DE60039117D1 (de) | 1999-08-20 | 2008-07-17 | Nanodrop Technologies Llc | Flüssigkeitsfotometer, das oberflächenspannung zur probenkontaktierung benutzt |
GB0012184D0 (en) * | 2000-05-22 | 2000-07-12 | Ibm | Suface analysis |
US6809826B2 (en) * | 2001-02-20 | 2004-10-26 | Charles William Robertson | Liquid photometer using surface tension to contain sample |
US7758744B2 (en) * | 2001-10-05 | 2010-07-20 | Stephen Eliot Zweig | Dual glucose-turbidimetric analytical sensors |
US7224448B2 (en) * | 2004-11-16 | 2007-05-29 | Agilent Technologies, Inc. | Apparatus and methods for evaluating an optical property of a liquid sample |
EP1853895B1 (en) * | 2005-02-18 | 2013-08-28 | McMillan, Norman | A tensiographic drophead |
US7277167B2 (en) * | 2005-09-13 | 2007-10-02 | Agilent Technologies, Inc. | Modular cuvettes and methods for use thereof |
US20070081159A1 (en) * | 2005-10-11 | 2007-04-12 | Giffin Kristin M | Apparatus and methods for evaluating an optical property of a liquid sample |
GB0523231D0 (en) * | 2005-11-15 | 2005-12-21 | Redfern Jonathan | Liquid photometer using disposable pipette tip vessel |
US8681340B2 (en) * | 2006-05-12 | 2014-03-25 | Norman McMillan | Microvolume analysis system |
EP1950550A1 (en) * | 2007-01-25 | 2008-07-30 | Flamac | Method and apparatus for measuring viscosity and surface tension |
WO2008132611A2 (en) * | 2007-04-13 | 2008-11-06 | C Technologies, Inc. | Interactive variable pathleingth device |
DK3517921T3 (da) * | 2008-09-19 | 2021-01-18 | Mks Instr Inc | Ioniseringsmåler med styring af emissionsstrøm og forspændingspotential |
WO2013131017A1 (en) | 2012-03-02 | 2013-09-06 | Laxco, Inc. | Multichannel analytical instruments for use with specimen holders |
US9488576B2 (en) | 2013-01-22 | 2016-11-08 | Tecan Trading Ag | Optical measuring apparatus and method for the analysis of samples contained in liquid drops |
US8912007B2 (en) | 2013-01-22 | 2014-12-16 | Tecan Trading Ag | Optical measuring apparatus and method for the analysis of samples contained in liquid drops |
US9488579B2 (en) | 2013-01-22 | 2016-11-08 | Tecan Trading Ag | Optical measuring apparatus and method for the analysis of samples contained in liquid drops |
US11054364B2 (en) | 2018-12-17 | 2021-07-06 | Thermo Finnigan Llc | Apparatus and methods for handling and spectrophotometry of small liquid samples |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE790280A (fr) * | 1971-11-19 | 1973-04-19 | Technicon Instr | Analyse photometrique d'une goutellette d'un echantillon liquide |
US4006360A (en) * | 1974-08-21 | 1977-02-01 | Block Engineering, Inc. | Method of discriminating between dyed particles and background fluorescence of the dye |
GB1533242A (en) * | 1975-01-21 | 1978-11-22 | Perkin Elmer Ltd | Utilizing radiation-derived electrical signals |
JPS5376879A (en) * | 1976-12-18 | 1978-07-07 | Haruaki Tamaoki | Device for measuring dewdrop* cloud* and dirt on glass surface |
JPS567037A (en) * | 1979-06-29 | 1981-01-24 | Fumio Inaba | Remote substance density analyzing optical measuring apparatus |
US4303343A (en) * | 1980-02-29 | 1981-12-01 | Bell Telephone Laboratories, Incorporated | Optoacoustic spectroscopy of condensed matter in bulk form |
GB2092758B (en) * | 1981-02-06 | 1984-10-24 | Nat Iranian Oil Co | Process and apparatus for determining the characteristics of a drop of a liquid required for calculating the surface tension of the liquid |
DE3232059A1 (de) * | 1981-09-04 | 1983-03-24 | Westinghouse Electric Corp., 15222 Pittsburgh, Pa. | Glasfaserdetektor |
JPS5973753A (ja) * | 1982-10-21 | 1984-04-26 | Toshiba Corp | 超微量分光光度計 |
JPS59155574U (ja) * | 1983-04-04 | 1984-10-18 | オ−バル機器工業株式会社 | 液滴検出器 |
JPS60577U (ja) * | 1983-06-15 | 1985-01-05 | オムロン株式会社 | 水滴センサ |
DE3344387A1 (de) * | 1983-12-08 | 1985-06-20 | Hoechst Ag, 6230 Frankfurt | Photometerkopf fuer kleine messvolumina |
US4660971A (en) * | 1984-05-03 | 1987-04-28 | Becton, Dickinson And Company | Optical features of flow cytometry apparatus |
US4646562A (en) * | 1984-10-30 | 1987-03-03 | Miller Brewing Company | Method and apparatus for detecting relative dynamic liquid surface activity |
-
1988
- 1988-03-31 US US07/175,859 patent/US4910402A/en not_active Expired - Lifetime
- 1988-04-08 EP EP88303147A patent/EP0286419B1/en not_active Expired - Lifetime
- 1988-04-08 JP JP63085502A patent/JPS6438633A/ja active Pending
- 1988-04-08 DE DE8888303147T patent/DE3872427T2/de not_active Expired - Lifetime
- 1988-04-08 ZA ZA882454A patent/ZA882454B/xx unknown
- 1988-04-08 AT AT88303147T patent/ATE77881T1/de not_active IP Right Cessation
- 1988-07-08 AU AU18852/88A patent/AU625333B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ATE77881T1 (de) | 1992-07-15 |
EP0286419A3 (en) | 1989-08-09 |
US4910402A (en) | 1990-03-20 |
DE3872427T2 (de) | 1993-02-11 |
EP0286419B1 (en) | 1992-07-01 |
EP0286419A2 (en) | 1988-10-12 |
JPS6438633A (en) | 1989-02-08 |
AU625333B2 (en) | 1992-07-09 |
DE3872427D1 (de) | 1992-08-06 |
AU1885288A (en) | 1990-01-11 |
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