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Microfluidic plate and application thereof and total phosphorus detection method

A detection method and microfluidic technology, applied in chemical instruments and methods, laboratory containers, color/spectral characteristic measurement, etc., can solve the problems of poor reaction effect and low detection accuracy

Pending Publication Date: 2021-09-10
上海柏中观澈智能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The microfluidic plate currently used in the field of total phosphorus detection has poor mixing reaction effect and low detection accuracy

Method used

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  • Microfluidic plate and application thereof and total phosphorus detection method
  • Microfluidic plate and application thereof and total phosphorus detection method
  • Microfluidic plate and application thereof and total phosphorus detection method

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Experimental program
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Effect test

Embodiment

[0061] Use the microfluidic plate of the present invention to detect total phosphorus, and the microfluidic plate includes:

[0062] The liquid inlet 1 is used to receive the sample of the liquid flow to be tested and / or receive the medicament that can react with the sample of the liquid flow to be tested; the number of the inlet 1 is three: the first inlet 11, the second inlet A feed port 12 and a third feed port 13, the first feed port 11 and the second feed port 12 merge through the flow channel and then merge with the third feed port 13 through the flow channel;

[0063] The mixing buffer chamber 2 is communicated with the liquid inlet 1, and is used for mixing and buffering the liquid flow sample to be tested and the medicament; A buffer bin 22 is provided at the trough; the corrugated flow channel connecting the peak and the trough is in a zigzag shape; the volume of the buffer bin 22 is 0.44uL;

[0064] Incubation cavity 3, the incubation cavity 3 communicates with the...

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Abstract

The invention provides a microfluidic plate and application thereof and a total phosphorus detection method. The microfluidic plate comprises: a liquid inlet; a mixing buffer cavity communicated with the liquid inlet and comprising a wave-shaped flow channel, wherein buffer bins are arranged at wave crests and / or wave troughs of the wave-shaped flow channel; a hatching cavity communicated with the mixing buffer cavity; and a detection cavity communicated with the hatching cavity. According to the invention, the microfluidic plate comprises the mixing buffer cavity, and the buffer bins are arranged at the wave crests and / or the wave troughs of the wave-shaped flow channel, so that the fault-tolerant space of the buffer bin is increased, the precision requirement for a constant displacement pump can be effectively reduced, and when the flow of several streams of liquid fluctuates, the buffer bins can keep the mixing effect at a high level.

Description

technical field [0001] The invention relates to the field of water quality analysis, in particular to a microfluidic board, its application and a method for detecting total phosphorus. Background technique [0002] Total phosphorus is the general term for elemental phosphorus, pyrophosphate, orthophosphate, condensed phosphate, metaphosphate and phosphate combined with organic groups. The main pollution sources of total phosphorus are domestic sewage, chemical fertilizers, organophosphorus pesticides and modern washing Phosphate builders used in detergents, etc. Moreover, phosphorus is a key element necessary for the growth of algae in water, but excessive phosphorus content will make the water body dirty and smelly, make the water body eutrophic, and even red tides will appear. At present, the methods for removing total phosphorus in water mainly include: chemical precipitation method, biological method, ion exchange method, adsorption method, membrane separation method, e...

Claims

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Application Information

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IPC IPC(8): B01L3/00G01N21/31
CPCB01L3/5027G01N21/31B01L2200/10
Inventor 韩林辰赵然刘应卫黄智伟董子晨曦
Owner 上海柏中观澈智能科技有限公司
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