IL43372A - Compact dynamic multistation photometer utilizing disposable cuvette rotor - Google Patents

Compact dynamic multistation photometer utilizing disposable cuvette rotor

Info

Publication number
IL43372A
IL43372A IL43372A IL4337273A IL43372A IL 43372 A IL43372 A IL 43372A IL 43372 A IL43372 A IL 43372A IL 4337273 A IL4337273 A IL 4337273A IL 43372 A IL43372 A IL 43372A
Authority
IL
Israel
Prior art keywords
rotor
apertures
base
series
sample analysis
Prior art date
Application number
IL43372A
Other versions
IL43372A0 (en
Original Assignee
Atomic Energy Commission
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 Atomic Energy Commission filed Critical Atomic Energy Commission
Publication of IL43372A0 publication Critical patent/IL43372A0/en
Publication of IL43372A publication Critical patent/IL43372A/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
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G01N21/03—Cuvette constructions
    • G01N21/07—Centrifugal type cuvettes

Landscapes

  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Optical Measuring Cells (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Automatic Analysis And Handling Materials Therefor (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)

Claims (9)

What is claimed is:
1. A compact fast analyzer of the rotary cuvette type comprising: (a) a power-driven cuvette rotor holder comprising a flat circular base, an annular, upstanding retaining rim integrally fixed to said base, and an axially extending up-standing pin fixed to said base within the radial confine of said rim; said base defining: i. a first series of axially extending apertures dis-posed in a circular array through said base within the radial confine of said rim. ii. a second series of axially extending apertures dis-posed in a circular array through said base without the radial confine of said rim, said apertures in said second series of apertures being equal in number to said apertures in said first series of apertures; (b) a removable cuvette rotor having a circular plate-like configuration disposed on said base within the confine of said rim, said rotor defining a circular array of sample analysis cuvettes in axial register with respective apertures in said first series of apertures; (c) a movable light source disposed above said cuvette rotor for providing a beam of light incident on said rotor assembly at a point corresponding to the radial position of said sample analysis cuvettes; (d) means for detecting light from said light source after it has passed through said sample analysis cuvettes, said means for detecting light generating an output signal proportional to the intensity of light detected; and (e) signal generating means disposed adjacent said -rotor holder for detecting the passage of apertures in said second series of apertures.
2. The fast analyzer of claim 1 wherein an adjustable filter holder containing a plurality of absorbance filters extends between said base and said means for detecting light from said light source after it has passed through said sample analysis cuvettes.
3. The fast analyzer of claim 1 further including means for rapidly braking rotation of said rotor holder and rotor.
4. The fast analyzer of claim 1 further including a thermistor mounted within said upstanding pin for measuring the temperature of said cuvette rotor and electrical slip rings in electrical communication with said thermistor af- fixed to said rotor holder.
5. The fast analyzer of claim 4 wherein said upstanding pin is located at a radial position corresponding to the radius of said first series of axially extending apertures and said sample analysis cuvettes, and wherein said thermistor is within said pin so as to be axially centered within said removable cuvette rotor when said rotor is disposed on said base within the confine of said rim.
6. The fast analyzer of claim 1 wherein said removable cuvette rotor defines: (a) first and second sets of radially oriented loading cavities disposed in concentric annular arrays; and (b) means for effecting centrifugal passage of fluid from said first and second sets of loading cavities to respective cuvettes in said circular array of sample analysis cuvettes.
7. The fast analyzer of claim 6 wherein said cuvette rotor is of laminated construction with a central opaque disk sandwiched between first and second transparent disks, said sets of first and second cavities comprising depressions in said opaque disk, and loading apertures being provided through said first transparent disk in axial register with respective cavities in said first and second sets of loading cavities.
8. The fast analyzer of claim 6 wherein said cuvette rotor further defines a central distribution chamber and a plurality of distribution passageways communicating between said distribution chamber and respective cuvettes in said circular array of sample analysis cuvettes.
9. The fast analyzer of claim 8 wherein each of said distribution passageways intersects with adjacent distribution passageways at an acute angle so as to form a serrated periphery about said distribution chamber.
IL43372A 1972-10-06 1973-10-04 Compact dynamic multistation photometer utilizing disposable cuvette rotor IL43372A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US29578072A 1972-10-06 1972-10-06

Publications (2)

Publication Number Publication Date
IL43372A0 IL43372A0 (en) 1974-01-14
IL43372A true IL43372A (en) 1976-07-30

Family

ID=23139207

Family Applications (1)

Application Number Title Priority Date Filing Date
IL43372A IL43372A (en) 1972-10-06 1973-10-04 Compact dynamic multistation photometer utilizing disposable cuvette rotor

Country Status (16)

Country Link
US (1) US3798459A (en)
JP (2) JPS4974094A (en)
AT (1) AT334115B (en)
BE (1) BE805458A (en)
BR (1) BR7307751D0 (en)
CA (1) CA988321A (en)
CH (1) CH572208A5 (en)
DE (1) DE2349927C3 (en)
ES (1) ES419308A1 (en)
FR (1) FR2202594A5 (en)
GB (1) GB1414885A (en)
IL (1) IL43372A (en)
IN (1) IN141136B (en)
IT (1) IT995557B (en)
NL (1) NL7313249A (en)
SE (1) SE385158B (en)

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Also Published As

Publication number Publication date
IL43372A0 (en) 1974-01-14
DE2349927B2 (en) 1979-09-27
ES419308A1 (en) 1977-07-01
FR2202594A5 (en) 1974-05-03
IT995557B (en) 1975-11-20
BR7307751D0 (en) 1975-09-02
BE805458A (en) 1974-01-16
AU6105673A (en) 1975-04-10
NL7313249A (en) 1974-04-09
US3798459A (en) 1974-03-19
IN141136B (en) 1977-01-22
ATA854873A (en) 1976-04-15
AT334115B (en) 1976-12-27
CA988321A (en) 1976-05-04
JPS5445597U (en) 1979-03-29
DE2349927C3 (en) 1980-07-10
SE385158B (en) 1976-06-08
JPS4974094A (en) 1974-07-17
GB1414885A (en) 1975-11-19
DE2349927A1 (en) 1974-04-11
CH572208A5 (en) 1976-01-30

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