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Rapid detection device and detection method for soil water-soluble salt

A water-soluble salt and detection device technology, which is applied in the field of soil water-soluble salt detection device, can solve the problems of expensive instruments, complicated operation, unsuitable on-site rapid detection of soil water-soluble salt, etc., and achieve the effect of simple structure and convenient operation

Pending Publication Date: 2020-09-25
AEROSPACE INFORMATION RES INST CAS
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  • Claims
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Problems solved by technology

These traditional methods can realize sensitive and accurate detection of various water-soluble salts in soil respectively, but there are problems such as complicated operation and expensive instruments, which are not suitable for rapid on-site detection of water-soluble salts in soil

Method used

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  • Rapid detection device and detection method for soil water-soluble salt
  • Rapid detection device and detection method for soil water-soluble salt
  • Rapid detection device and detection method for soil water-soluble salt

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Embodiment 1

[0057] In embodiment 1 of the present invention, a kind of soil water-soluble salt detection device is provided, more specifically, present embodiment 1 is the detection device of soil nitrate; Figure 1-4As shown, the device includes a ring knife 2, a liquid storage tube 3 (ie, the housing of the liquid storage chamber), a filter screen 4, a liquid storage tube 5 (ie, the housing of the liquid storage cavity), and a sensor 7 . The ring knife 2 is placed in the device base 1, and the device base 1, the liquid storage pipe 3, the filter screen 4, the liquid storage pipe 5 and the device top cover 6 are threaded in sequence. The sensor 7 is connected to the sensor fixing hole 9 of the device top cover 6 by inserting.

[0058] In Embodiment 1 of the present invention, a soil nitrate detection method is also provided. First, the device base 1 and the ring knife 2 are removed, and the ring knife 2 is vertically inserted into the soil to be tested. After the ring knife 2 is filled w...

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Abstract

The invention relates to a soil water-soluble salt detection device and a detection method. The soil water-soluble salt detection device comprises a shell; a filter screen which is arranged in the shell and used for dividing the interior of the shell into two spaces for liquid circulation, wherein the two spaces are defined as a liquid storage cavity and a liquid storage cavity respectively; a sampler which is used for sampling to-be-detected soil and transferring the to-be-detected soil into the liquid storage cavity; a detector which is arranged on the shell on one side of the liquid storagecavity and is used for detecting the content of water-soluble salt in the solution, wherein a soil leaching solution pretreated with soil to be detected flows into the liquid storage cavity through the filter screen and is used for detection of the detector, and the soil to be detected is intercepted in the liquid storage cavity by the filter screen. According to the invention, three functions ofsoil sampling, pretreatment and detection are integrated, and the effect of on-site rapid detection of water-soluble salt in soil is realized.

Description

technical field [0001] The invention relates to the technical field of substance detection in soil, in particular to a soil water-soluble salt detection device and detection method. Background technique [0002] Soil contains a large amount of water-soluble salts, among which cations can assist plant root cells in ion adsorption and exchange, and anions contain nutrients such as phosphorus, nitrogen, and sulfur. Among the various anions containing phosphorus, dihydrogen phosphate has the best solubility and is the most easily absorbed by plants. It is the main source of phosphorus needed for plant growth; similarly, the main source of nitrogen needed by plants is easily soluble in water of nitrate ions. At the same time, excessive phosphate and nitrate content in the soil will cause eutrophication of the water body, which will seriously damage the ecological environment and have potential hazards to human health. Therefore, the simple on-site detection of water-soluble sal...

Claims

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Application Information

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IPC IPC(8): G01N33/24G01N27/06G01N1/08B01D29/03B01D35/02
CPCG01N33/24G01N27/06G01N1/08B01D29/03B01D35/02G01N33/245
Inventor 边超姜浩延刘欣佟建华
Owner AEROSPACE INFORMATION RES INST CAS
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