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High-precision water body sampling sponge

A high-precision, sponge technology, applied in the direction of sampling devices, etc., can solve the problems of occupying transportation weight, inconvenient water body sampling, and increasing sampling costs, and achieve enhanced sampling capacity, improved sampling accuracy and sampling efficiency, improved sampling adsorption quality and The effect of adsorption efficiency

Inactive Publication Date: 2017-05-10
宁波市胜源技术转移有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] (1) Industrial wastewater discharged without treatment;
[0007] (2) Domestic sewage discharged without treatment;
[0008] (3) Farmland sewage caused by extensive use of chemical fertilizers, pesticides, and herbicides;
[0011] (6) Mine sewage is produced due to over-exploitation
Water body pollution sampling involves the monitoring of water quality and water body health status, while the existing water body sampling is to directly fill some

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] The high-precision water sampling sponge in this embodiment includes a sponge body with a pore structure, molecular sieve powder attached to the surface of the pore structure of the sponge body, and a filter pore structure formed on the outermost layer of the sponge body, including but not limited to all or part Molecular sieve powder is distributed on the surface of all or part of the pore structure of the sponge body.

[0030] Different from the above-mentioned embodiments, the molecular sieve powder is evenly dispersed and consolidated on the surface of the pore structure of the sponge body, including but not limited to the situation of being dispersed on all or part of the surface of the pore structure of the sponge body.

[0031] Different from the above examples, the mass of molecular sieve powder attached to the sponge body is 0.1% of the mass of the sponge body (the ratio of the mass of molecular sieve powder to the mass of the sponge body to the mass of the spon...

specific Embodiment 1

[0039] In this embodiment, polyether 161 raw materials are selected, the sponge aperture is 2mm, the mesh size of the filter structure is 1.8mm, and the powder particle diameter is 300 microns. The mass attached to the sample is 0.25% of the mass of the sponge body. Sampling target normal inland water lead ions, including free ions and complex ions. After soaking the sponge in the sampling box for 1 hour, take it out, gently squeeze it to remove the water, bring it back, and test it after removing it. The water sample directly carried by the sampling bottle is used as a comparison standard.

[0040] 10 sponge samples were sampled at sampling points in Hainan, and the average variance of the sampling volume was 2. Compared with the standard monitoring value, the sampling accuracy was 99%.

[0041] 10 sponge samples were sampled at the Nantong sampling point, and the average variance of the sampling volume was 4. Compared with the standard monitoring value, the sampling accurac...

specific Embodiment 2

[0046] In this embodiment, polyether 4110 raw materials are selected, the sponge aperture is 3mm, the mesh size of the filter structure is 2.5mm, and the powder particle diameter is 300 microns. The mass attached to the sample is 0.75% of the mass of the sponge body. Free cadmium ions in the normal inland water body of the sampling target. After soaking the sponge in the sampling box for 1 hour, take it out, gently squeeze it to remove the water, bring it back, and test it after removing it. The water sample directly carried by the sampling bottle is used as a comparison standard.

[0047] 10 sponge samples were sampled at sampling points in Hainan, and the average variance of the sampling volume was 2.4. Compared with the standard monitoring value, the sampling accuracy was 99%.

[0048] 10 sponge samples were sampled at the Nantong sampling point, and the average variance of the sampling volume was 4.2. Compared with the standard monitoring value, the sampling accuracy was ...

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Abstract

The invention discloses high-precision water body sampling sponge. The sampling sponge comprises a sponge main body with a pore structure, molecular sieve powder attached to the surface of the pore structure of the sponge main body, and a filter hole sieve structure formed on the outermost layer of the sponge main body. According to the high-precision water body sampling sponge disclosed by the invention, a molecular sieve is organically combined with the sponge main body, so that the difficulty of sampling and detecting a water body is reduced and a water body sample does not need to be directly carried, and furthermore, the convenience for carrying is improved and the convenience for sampling and transporting the water body is improved; the product has good utilization safety on a product and is not easily damaged.

Description

technical field [0001] The invention relates to a water pollution sampling medium, in particular to a high-precision water body sampling sponge. Background technique [0002] water (H 2 O) is an inorganic substance composed of hydrogen and oxygen. It is a colorless, odorless, transparent liquid at normal temperature and pressure, including natural water (rivers, lakes, atmospheric water, sea water, groundwater, etc.), artificial water (through A chemical reaction combines hydrogen and oxygen atoms to form water). Water is one of the most common substances, an important resource for the survival of all life including humans, and the most important component of living organisms. Water has played an important role in the evolution of life. Water is an indispensable part of people's life and production, and although water is a renewable resource, its available quantity in a specific period of time is limited. [0003] Human activities will discharge a large amount of industr...

Claims

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Application Information

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IPC IPC(8): G01N1/14
CPCG01N1/14
Inventor 张广飞
Owner 宁波市胜源技术转移有限公司
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