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Optical flow cell

A flow cell and optical measurement technology, applied in optics, optical components, light guides, etc., can solve problems such as time-consuming, unavailable, and unreliable

Pending Publication Date: 2019-09-03
CYTIVA SWEDEN AB
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this is a time-consuming process and may also require extensive cleaning of the measuring device afterwards to remove all traces of the reference solution
Alternatively, optical flow cells can be used without calibration, but the resulting data will be unreliable and unusable in many applications

Method used

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  • Optical flow cell
  • Optical flow cell
  • Optical flow cell

Examples

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Embodiment Construction

[0044]According to the present invention, there is provided an optical measurement device configured for connection in a flow path. The optical measurement device comprises a first flow path connector and a second flow path connector and at least one flow cell portion disposed intermediate the first flow path connector and the second flow path connector such that a flow cell of the optical measurement device can be arranged therein. Flow in the path will flow through the first flow path connector, at least one flow cell portion and through the second flow path connector. The optical measuring device further comprises at least one releasable connection device arranged for releasable connection of at least one flow cell part intermediate the first flow path connector and the second flow path connector. Separate flow path connectors and releasable connections are provided for a modular system, ie the optical measurement device can be configured differently for different uses. Fo...

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Abstract

An optical measuring device (1; 1'; 1''; 41; 61) configured for being connected in a flow path, said optical measuring device (1; 1'; 1''; 41; 61) comprising: -a first and a second flow path connector(5, 7; 5', 7'; 5'', 7''); -at least one flow cell part (3; 3a, 3b; 3a, 3b, 3c, 3d) provided in between the first and second flow path connectors (5, 7; 5', 7'; 5'', 7'') such that a flow in a flow path in which the optical measuring device (1; 1'; 1''; 41; 61) can be arranged will flow through the first flow path connector (5; 5'; 5''), the at least one flow cell part (3; 3a, 3b; 3a, 3b, 3c, 3d)and through the second flow path connector (7; 7'; 7''); and -at least one releasable connection device (9) arranged for releasably connecting the at least one flow cell part (3; 3a, 3b; 3a, 3b, 3c, 3d) in between the first and second flow path connectors(5, 7; 5', 7'; 5'', 7'').

Description

technical field [0001] The present invention relates to an optical measurement device configured for connection in a flow path, and to a method for installing such an optical measurement device in a flow path. Background technique [0002] Optical measurement devices are used in a number of technical fields in which a solution is allowed to flow through an optical flow cell for detecting the presence and / or measuring the concentration of a substance within the solution. Examples of such technical fields are fluid chromatography and filtration, among others. [0003] Flow cells used in measuring devices are generally optical flow cells having a first light guide with an exit surface in which light is emitted and a second light guide with an entrance surface in which light is received. The exit and entry surfaces may be windows or light guides made of a material with sufficient transmittance for the wavelengths used. For lower concentrated solutions, the distance between the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/05G01N21/03G02B6/24
CPCG01N21/0303G01N21/05G01N2201/066G01N2201/08G02B6/3616G02B6/3816G01N21/01G02B6/36
Inventor H.埃林M.里莫
Owner CYTIVA SWEDEN AB