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Device for extracting organic matters from soil and using method thereof

An extraction device and organic matter technology, applied in the field of soil organic matter extraction devices, can solve the problems of energy consumption, high price, and long time consumption, and achieve the effect of no maintenance cost, simple design structure, and labor cost saving

Inactive Publication Date: 2012-04-11
SHANGHAI BAOSTEEL IND TECHNOLOGICAL SERVICE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Traditional soil organic matter extraction methods include Soxhlet extraction and ultrasonic extraction. These two methods have high extraction efficiency, but both have obvious defects. Soxhlet extraction takes a long time, and it takes more than ten hours to extract a sample. It consumes a lot of energy and is expensive, and the energy extracted by ultrasonic waves may cause the degradation of some macromolecular organic compounds, and these two methods can only analyze one sample per set of equipment, which is difficult to adapt to the current growing number of soil monitoring mission requirements
[0005] The monitoring of organic matter in soil is getting more and more attention. The detection tasks of organic matter in soil will gradually increase in the future and become the focus of environmental monitoring. However, the existing soil sample pretreatment methods are cumbersome and time-consuming. The experience requirements of personnel are high, and they cannot meet the requirements of large-scale soil sample testing, which seriously hinders the development of soil monitoring work

Method used

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  • Device for extracting organic matters from soil and using method thereof
  • Device for extracting organic matters from soil and using method thereof
  • Device for extracting organic matters from soil and using method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Such as figure 1 Shown: an extraction device for soil organic matter, comprising an extraction bottle, a flip box 3, a rotating shaft 4, a fixed rod 5, a flat plate 6, a closing cover 7 and a box body 8, the extraction bottle is composed of a bottle body 1 and a bottle cap 2, fixed Rod 5 is made up of two vertical rods and two cross bars that connect vertical rods, and the top of turning box 3 is provided with 1-50 openings 11, and extraction bottle is placed in this opening 11, and opening 11 and extraction bottle The size is the same, the two opposite planes of the flip box 3 are respectively welded with a flat plate 6, the flip box 3 and the flat plate 6 are fixed by bolts, and the rotating shaft 4 passes through the entire flip box 3 from the flat plate 6 on one side of the flip box 3 and passes through the flip box 3 on the other side. One side plate 6 passes through, the rotating shaft 4 is connected with the flat plate 6 by welding, the rotor of the motor is conn...

Embodiment 2

[0030] The components and proportions of the extraction reagents are as follows:

[0031] components

[0032] The other steps of the extraction device of soil organic matter and the extraction method of soil organic matter are the same as in Example 1.

Embodiment 3

[0034] The components and proportions of the extraction reagents are as follows:

[0035] components

[0036] The other steps of the extraction device of soil organic matter and the extraction method of soil organic matter are the same as in Example 1.

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Abstract

The invention relates to the field of a device and method for extracting organic matters from soil, in particular relates to a device for extracting organic matters from soil and the using method thereof. The device for extracting organic matters from soil comprises an extraction flask, and is characterized by further comprising an overturn case, a rotating shaft, a fixing rod, a flat plate, a sealing cover and a case body. The using method of the device for extracting organic matters from soil is characterized by comprising the following steps: first, dehydrating the soil with anhydrous sodium sulfate, then adding an extraction reagent consisting of acetone, dichloromethane and normal hexane to extract the soil, and after overturning the extraction device, filtering to obtain required filtrate, thus completing the extraction. The devices for extracting organic matters from soil can be used for extracting a great number of samples at the same time, has a simple structure, low cost and high precision, is easy to use and is not damaged easily.

Description

technical field [0001] The invention relates to the field of devices and methods for extracting organic matter in soil, in particular to a device for extracting organic matter in soil and a method for using the same. Background technique [0002] Soil pollution is different from air pollution and water pollution. It cannot be directly felt by the senses alone. There is usually a long time lag between the generation of pollution and the emergence of problems, and it will take years or even decades before it becomes apparent. No attention has been paid to the problem of soil pollution, but harmful waste water and waste gas continue to fall into the soil, which has already threatened the ecological environment. Therefore, in recent years, soil pollution has attracted more attention than air pollution and water pollution. Due to the pollution in the soil Therefore, the soil of the polluted outlet is more stable than the discharged wastewater and waste gas to reflect the pollutio...

Claims

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Application Information

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IPC IPC(8): G01N1/28G01N1/34
Inventor 凌冰黄晓
Owner SHANGHAI BAOSTEEL IND TECHNOLOGICAL SERVICE