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field flow separation device

A field flow separation and side separation technology, which is applied in wet separation, solid separation, measurement devices, etc., can solve the problems of long time and poor efficiency, and achieve the effect of realizing analysis efficiency, suppressing device structure and increasing cost.

Active Publication Date: 2020-07-31
SHIMADZU SEISAKUSHO CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the sequential analysis using one field flow separation device has the following problems: the efficiency is poor, and it takes a long time when analyzing a plurality of samples

Method used

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Embodiment Construction

[0026] Hereinafter, an embodiment of the field flow separation device will be described using the drawings.

[0027] use figure 1 The schematic configuration of the field flow separation device of this embodiment will be described.

[0028] The field flow separation device of this embodiment includes an upper separation cell 2a, a lower separation cell 2b, a first carrier liquid supply unit 100, a second carrier liquid supply unit 200, a flow path switching unit 300, and a control unit 400. The upper separation tank 2a and the lower separation tank 2b form a pair of separation tanks. The field flow separation device is provided with a separation tank group consisting of a plurality of separation tanks including at least these separation tank pairs 2a and 2b.

[0029] although figure 1 Not shown in the figure, but both the upper separation cell 2a and the lower separation cell 2b are equipped with: a separation channel for separating the sample; an inlet port for introducing the carr...

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Abstract

The field flow separation device is provided with a flow channel switching part, and the second carrier liquid supply part is switched to be connected to the second inlet port of the upper layer side separation pool, or the inlet port of the lower layer side separation pool, or the second inlet port of the lower layer side separation pool. port on either side and connect. In addition, when the flow of the carrier liquid opposite to the flow of the carrier liquid from the inlet port accumulates in the upper layer-side separation cell, the second carrier liquid supply part is connected to the second inlet port of the upper layer-side separation cell, and After the aggregation in the upper layer-side separation tank is completed, the second carrier liquid supply unit is connected to the inlet port or the second inlet port of the lower layer-side separation tank.

Description

Technical field [0001] The present invention relates to a field flow separation device for separating and dividing fine particles contained in a fluid by using field flow separation. Background technique [0002] As a method for separating, detecting or dividing fine particles dispersed in a solution in a wide range with a particle size of about 1 nm to 50 μm, a so-called cross-flow method of field flow separation has been known (for example, refer to Patent Document 1). [0003] A cross-flow field flow separation device adopting an asymmetric channel structure has a separation channel for separating samples. One of the wall surfaces forming the separation channel is a semipermeable membrane (also called a separation membrane) with pores such as RC (regenerated cellulose) or PES (polyethersulfone), and further, a weighing membrane is provided on the outside of the semipermeable membrane A porous plate made of glass frit. The carrier liquid introduced into the channel passes throu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B03B5/62B03B5/00G01N15/00
CPCG01N30/0005G01N15/00G01N2030/003G01N30/38G01N30/466B03B5/62
Inventor 老川幸夫堀池重吉中矢麻衣子叶井正树
Owner SHIMADZU SEISAKUSHO CO LTD
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