GB2014305A - Colorimeter - Google Patents
ColorimeterInfo
- Publication number
- GB2014305A GB2014305A GB7906823A GB7906823A GB2014305A GB 2014305 A GB2014305 A GB 2014305A GB 7906823 A GB7906823 A GB 7906823A GB 7906823 A GB7906823 A GB 7906823A GB 2014305 A GB2014305 A GB 2014305A
- Authority
- GB
- United Kingdom
- Prior art keywords
- block
- pillars
- light
- probe
- light box
- 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.)
- Granted
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
- G01N21/84—Systems specially adapted for particular applications
- G01N21/85—Investigating moving fluids or granular solids
- G01N21/8507—Probe photometers, i.e. with optical measuring part dipped into fluid sample
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)
Abstract
A probe colorimeter has at least one light-gathering rod probe 13 held captive in a non-transparent block 12 with the lower end extending below said block and the upper end extending into a chamber 20 in the block. The block is mounted for sliding vertical movement on two spaced apart pillars 11 upstanding from the upper surface of a light box 10, and means being provided to move the block up or down on the pillars. The light box has a light source 23 positioned between the roots of the pillars. A photosensor 21 is mounted in chamber 20, in vertical optical alignment with the source. A tray or plate 33 having a solution-containing well 34 with a transparent base is positioned above the light box with the well base in registry above the light source and the block is lowered for the probe to dip into the solution. The embodiment of Fig. 4 has a plurality of probes 13 and the corresponding apparatus for measurements on a plurality of solutions 21 is preferably a photoresistor and the change of current due to absorption is detected by a balance circuit to feed a multiway switch or multiplexer. <IMAGE>
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB7906823A GB2014305B (en) | 1977-11-25 | 1979-02-27 | Colourimeters |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4910377 | 1977-11-25 | ||
GB7906823A GB2014305B (en) | 1977-11-25 | 1979-02-27 | Colourimeters |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2014305A true GB2014305A (en) | 1979-08-22 |
GB2014305B GB2014305B (en) | 1982-06-23 |
Family
ID=26266399
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7906823A Expired GB2014305B (en) | 1977-11-25 | 1979-02-27 | Colourimeters |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2014305B (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1981003223A1 (en) * | 1980-05-09 | 1981-11-12 | Unilever Nv | Apparatus for assisting the visual assessment of test objects having multivariate visible characteristics,and its use |
US4456380A (en) * | 1980-08-01 | 1984-06-26 | Fujisawa Pharmaceutical Co., Ltd. | Test system for identifying bacteria |
WO1986000406A1 (en) * | 1984-06-29 | 1986-01-16 | American Monitor Corporation | Automatic monochromator-testing system |
US4669878A (en) * | 1984-06-29 | 1987-06-02 | American Monitor Corporation | Automatic monochromator-testing system |
US5337139A (en) * | 1991-05-27 | 1994-08-09 | Kowa Company Ltd. | Multichannel optical measuring system |
WO2004055567A1 (en) * | 2002-12-17 | 2004-07-01 | Amersham Biosciences Ab | Optical multiplexer for liquid samples in a conduit |
DE102019128546A1 (en) * | 2019-10-22 | 2021-04-22 | Byonoy Gmbh | Transmission device for examining samples in wells of a microtiter plate and method for examining samples in wells of a microtiter plate by means of transmission |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108645844B (en) * | 2018-01-22 | 2020-11-17 | 河海大学 | Automatic solution color reaction sensor |
-
1979
- 1979-02-27 GB GB7906823A patent/GB2014305B/en not_active Expired
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1981003223A1 (en) * | 1980-05-09 | 1981-11-12 | Unilever Nv | Apparatus for assisting the visual assessment of test objects having multivariate visible characteristics,and its use |
JPS57500751A (en) * | 1980-05-09 | 1982-04-30 | ||
US4563096A (en) * | 1980-05-09 | 1986-01-07 | Internationale Octrooi Maatschappij "Octropa" B.V. | Apparatus for assisting the visual assessment of test objects having multivariate visible characteristics, and its use |
US4456380A (en) * | 1980-08-01 | 1984-06-26 | Fujisawa Pharmaceutical Co., Ltd. | Test system for identifying bacteria |
WO1986000406A1 (en) * | 1984-06-29 | 1986-01-16 | American Monitor Corporation | Automatic monochromator-testing system |
US4669878A (en) * | 1984-06-29 | 1987-06-02 | American Monitor Corporation | Automatic monochromator-testing system |
US5337139A (en) * | 1991-05-27 | 1994-08-09 | Kowa Company Ltd. | Multichannel optical measuring system |
WO2004055567A1 (en) * | 2002-12-17 | 2004-07-01 | Amersham Biosciences Ab | Optical multiplexer for liquid samples in a conduit |
US7301166B2 (en) | 2002-12-17 | 2007-11-27 | Ge Healthcare Bio-Sciences Ab | Optical multiplexer for liquid samples in a conduit |
DE102019128546A1 (en) * | 2019-10-22 | 2021-04-22 | Byonoy Gmbh | Transmission device for examining samples in wells of a microtiter plate and method for examining samples in wells of a microtiter plate by means of transmission |
Also Published As
Publication number | Publication date |
---|---|
GB2014305B (en) | 1982-06-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |