Filtration system and filtration method

A filter system and filter port technology, applied in the field of instrument analysis, can solve the problems of sample loss, low efficiency, consumption of syringes, etc., and achieve the effects of increasing applicability, avoiding mutual interference, and facilitating rapid filtration.

Active Publication Date: 2021-02-05
WATERSTONE PHARMA WUHAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This process needs to transfer samples twice, which is easy to cause sample loss and is not suitable for small sample preparation; it also consumes a variety of consumables such as syringes; in operation, only one sample can be processed and transferred one after another, and the efficiency is very low

Method used

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  • Filtration system and filtration method
  • Filtration system and filtration method

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Embodiment Construction

[0037] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0038] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", "Axial" , "radial", "circumferential" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, which are only for the convenience of describing the ...

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Abstract

The invention discloses a filtration system and a filtration method, wherein the filtration system comprises: a sample tray, the sample tray has at least one placement hole suitable for placing a chromatography injection bottle; a first orifice plate and a second orifice plate, and at least one filter membrane is fixed between the first orifice plate and the second orifice plate, and the first orifice plate is arranged at a position corresponding to the chromatographic injection bottle There is a volume tube, and the volume tube is provided with a liquid inlet and a gas inlet; the second orifice plate is provided with a filter port at the position corresponding to the chromatography injection bottle, and the filter port is communicated with the chromatography injection bottle, The positions of the volume tube, the filter membrane, the filter port, and the chromatographic injection bottle are all corresponding up and down. The filtration system is suitable for use with the chromatographic injection bottle of the automatic sampling system. Therefore, the filtration system can conveniently and quickly realize the filtration of the sample to be filtered, and by batch processing the chromatographic injection bottle, multiple Batch, efficient filtration and transfer of samples are very convenient to operate and can guarantee the quality of filtration.

Description

technical field [0001] The invention belongs to the field of instrument analysis, and in particular relates to a filtering system and a filtering method. Background technique [0002] At present, with the improvement of instrument automation level, automatic sampling system is more and more widely used in the instrument analysis industry, and the efficiency of batch processing samples is greatly improved through batch chromatography vials. Each sample needs to be filtered through a membrane filter before being transferred to a chromatographic vial. In the prior art, a needle filter is usually used. First, a medical syringe is used to suck the liquid sample into the syringe needle, and a needle filter is connected to the head of the syringe, and the filtrate is squeezed and transferred to a chromatographic sampling bottle. This process needs to transfer samples twice, which is easy to cause sample loss and is not suitable for small sample preparation; it also consumes a vari...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D61/00G01N30/06
Inventor 张长春钱丽娜刘大鹏崔健
Owner WATERSTONE PHARMA WUHAN
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