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Sampling and digestion device for detecting heavy metal in soil

A technology for digestion device and heavy metal, which is applied in sampling device, preparation of test samples, soil material testing, etc., can solve the problems of cumbersome process, large amount of reagents, low detection efficiency, etc., so as to improve detection efficiency, facilitate subsequent detection, simple structure

Inactive Publication Date: 2019-03-01
山东天元盈康检测评价技术有限公司
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Problems solved by technology

This type of method is cumbersome, dangerous, and requires a large amount of reagents. For large-scale sampling and the need to quickly obtain test results, the detection efficiency of the above method is low. The important point is that the laboratory digestion equipment is limited and cannot be used in large quantities. To deal with solid soil samples, the existing technology obviously has inconvenience and defects in actual use, so it is necessary to improve

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  • Sampling and digestion device for detecting heavy metal in soil

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Embodiment

[0023] Such as figure 1 As shown, the present invention provides a sampling and digestion device for soil heavy metal detection, comprising a first housing 1, a second housing 2 and a third housing 3; the first housing 1 is in the shape of a cuboid, and the first housing The body 1 includes a connecting plate 101; the connecting plate 101 is the bottom surface of the first shell 1, and the connecting plate 101 is arranged obliquely to the left, and two circular holes are arranged on the connecting plate 101, through which the first shell The cavity of the body 1 communicates with the cavity of the second shell 2 and the cavity of the third shell 3 respectively; the second shell 2 is located on the left side below the first shell 1, and the second shell 2 is a cylinder shape, the cylindrical lower end of the second housing 2 is provided with a sharp point, which is convenient for insertion into the soil; the third housing 3 is cylindrical and is located on the right side below ...

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Abstract

The invention discloses a sampling and digestion device for detecting heavy metal in soil. The device comprises a first shell body, a second shell body and a third shell body; a connecting plate is arranged at the bottom of the first shell body and arranged leftward and obliquely, and two round holes are formed in the connecting plate; the second shell body is located on the left side of the lowerportion of the first shell body; the third shell body is located on the right side of the lower portion of the first shell body; the sampling and digestion device for detecting heavy metal in soil issimple in structure and convenient to use, and can conduct pre-treatment on soil under the non-laboratory condition and timely digest sampled soil, a liquid sample is acquired, later detection is convenient, the detection efficiency is improved, and the device is suitable for detection of large-batch soil.

Description

technical field [0001] The invention relates to the technical field of soil heavy metal detection, in particular to a sampling and digestion device for soil heavy metal detection. Background technique [0002] Among the soil inorganic pollutants, heavy metals are more prominent, mainly because heavy metals cannot be decomposed by soil microorganisms, but are easy to accumulate and transform into more toxic methyl compounds, and some even accumulate in the human body at harmful concentrations through the food chain, seriously endangering human health. [0003] At present, the detection method of heavy metals in soil is usually to sample the soil and send it to the laboratory. After digestion, the solid sample is processed into a liquid sample, and then the atomic absorption spectrometry, atomic emission spectrometry, and inductively coupled plasma mass spectrometry are used. detection. This type of method is cumbersome, dangerous, and requires a large amount of reagents. Fo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/08G01N1/44G01N33/24
CPCG01N1/08G01N1/44G01N33/24
Inventor 郑兰霞张筱颖闫斌孙磊邱炜杰韩卓轩张永泽于金香王传政
Owner 山东天元盈康检测评价技术有限公司
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