DE69233749D1 - Durchflusszelle mit einer inneren Schicht aus amorphem Fluoropolymer, dessen Brechungindex kleiner ist als der von Wasser - Google Patents

Durchflusszelle mit einer inneren Schicht aus amorphem Fluoropolymer, dessen Brechungindex kleiner ist als der von Wasser

Info

Publication number
DE69233749D1
DE69233749D1 DE69233749T DE69233749T DE69233749D1 DE 69233749 D1 DE69233749 D1 DE 69233749D1 DE 69233749 T DE69233749 T DE 69233749T DE 69233749 T DE69233749 T DE 69233749T DE 69233749 D1 DE69233749 D1 DE 69233749D1
Authority
DE
Germany
Prior art keywords
water
less
refractive index
inner layer
flow cell
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.)
Expired - Lifetime
Application number
DE69233749T
Other languages
English (en)
Inventor
Anthony C Gilby
William W Carson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Waters Technologies Corp
Original Assignee
Waters Investments Ltd
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 Waters Investments Ltd filed Critical Waters Investments Ltd
Application granted granted Critical
Publication of DE69233749D1 publication Critical patent/DE69233749D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/032—Optical fibres with cladding with or without a coating with non solid core or cladding
    • 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
    • G01N21/0303—Optical path conditioning in cuvettes, e.g. windows; adapted optical elements or systems; path modifying or adjustment
    • 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
    • G01N21/05—Flow-through cuvettes
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S138/00—Pipes and tubular conduits
    • Y10S138/03—Polytetrafluoroethylene, i.e. PTFE
DE69233749T 1991-07-17 1992-07-15 Durchflusszelle mit einer inneren Schicht aus amorphem Fluoropolymer, dessen Brechungindex kleiner ist als der von Wasser Expired - Lifetime DE69233749D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/731,677 US5184192A (en) 1991-07-17 1991-07-17 Photometric apparatus with a flow cell coated with an amorphous fluoropolymer

Publications (1)

Publication Number Publication Date
DE69233749D1 true DE69233749D1 (de) 2008-12-04

Family

ID=24940524

Family Applications (3)

Application Number Title Priority Date Filing Date
DE69232365T Expired - Lifetime DE69232365T2 (de) 1991-07-17 1992-07-15 Photometrisches Gerät
DE69233749T Expired - Lifetime DE69233749D1 (de) 1991-07-17 1992-07-15 Durchflusszelle mit einer inneren Schicht aus amorphem Fluoropolymer, dessen Brechungindex kleiner ist als der von Wasser
DE0523680T Pending DE523680T1 (de) 1991-07-17 1992-07-15 Photometrisches Gerät.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69232365T Expired - Lifetime DE69232365T2 (de) 1991-07-17 1992-07-15 Photometrisches Gerät

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE0523680T Pending DE523680T1 (de) 1991-07-17 1992-07-15 Photometrisches Gerät.

Country Status (4)

Country Link
US (1) US5184192A (de)
EP (2) EP1106988B1 (de)
JP (1) JP3260431B2 (de)
DE (3) DE69232365T2 (de)

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Also Published As

Publication number Publication date
JP3260431B2 (ja) 2002-02-25
US5184192A (en) 1993-02-02
JPH05196565A (ja) 1993-08-06
EP1106988A2 (de) 2001-06-13
EP0523680A3 (en) 1993-09-08
DE523680T1 (de) 1997-01-30
EP0523680B1 (de) 2002-01-23
DE69232365D1 (de) 2002-03-14
EP1106988B1 (de) 2008-10-22
EP0523680A2 (de) 1993-01-20
DE69232365T2 (de) 2002-10-02
EP1106988A3 (de) 2001-06-27

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Owner name: WATERS TECHNOLOGIES CORP. (N.D.GES.D. STAATES , US

8328 Change in the person/name/address of the agent

Representative=s name: DR. VOLKER VOSSIUS, CORINNA VOSSIUS, TILMAN VOSSIU

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