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Flow cell and optical system for analyzing fluid

A flow cell, fluid technology, used in the analysis of materials, material analysis by optical means, scientific instruments, etc., can solve problems such as variable travel distance, negative effects of results, differences, etc.

Active Publication Date: 2020-02-11
C I SYST ISRAEL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

For simplicity, the above treatment does not take into account f-number variation or differences in distance traveled that may also occur and thus may also negatively affect the final result

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  • Flow cell and optical system for analyzing fluid
  • Flow cell and optical system for analyzing fluid
  • Flow cell and optical system for analyzing fluid

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Embodiment Construction

[0075] The present invention relates to flow cells and optical analysis systems (which include a flow cell) for analyzing a fluid sample in a chamber of the flow cell to determine the A physical property of a fluid, eg, the concentration of a component in said fluid.

[0076] The principle and operation of the plurality of flow cells and the plurality of optical analysis systems according to the present invention can be better understood with reference to the drawings attached to the specification.

[0077] The present invention is applicable to various types of fluids, including gases as well as various types of liquids, for example, a plurality of chemical solutions composed of a solvent and a solute, wherein the plurality of flow cells and the plurality of optical analysis systems are used to determine the The concentration of the solute.

[0078] Before explaining at least one embodiment of the present invention in detail, it should be understood that the present inventio...

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Abstract

Discloses is a flow cell for analyzes a fluid sample. A flow cell body contains a reference material and includes at least one hollow chamber to contain the fluid sample. Opposing surfaces of the flowcell body each have at least one transparent portion thereof. An optical path for light traversing through the flow cell body is defined in part by the transparent portions. A switching mechanism adjusts the amount of the reference material in the optical path to effect switching of the flow cell between a reference measurement state and a fluid sample measurement state. The reference measurementstate corresponds to a first light intensity measurement and the fluid sample measurement state corresponds to a second light intensity measurement.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to U.S. Provisional Patent Application No. 62 / 522,124, filed June 20, 2017, the disclosure of which is incorporated herein by reference. technical field [0003] The present invention relates to a flow cell and related system for analyzing fluids. Background technique [0004] Solute concentration measurements typically use the well-known Beer-Lambert law, which relates the solute molecular density and molecular absorption cross-section coefficient to the intensity of light transmitted through a solution for a certain path length. In the case of uniform solute density, the relationship can be expressed as: [0005] I 1 = I 0 e -αcl (1) [0006] where I 0 is the light intensity entering the sampled solution, I 1 is the light intensity leaving the sampled solution, α is the molecular absorption cross section coefficient, c is the molecular density (also called "number density" or...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N9/24G01N21/59
CPCG01N21/05G01N35/00693G01N2201/128
Inventor 约兰·纳尔
Owner C I SYST ISRAEL