CN108548812A - The method for measuring triethylamine in soil - Google Patents
The method for measuring triethylamine in soil Download PDFInfo
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- CN108548812A CN108548812A CN201810235321.8A CN201810235321A CN108548812A CN 108548812 A CN108548812 A CN 108548812A CN 201810235321 A CN201810235321 A CN 201810235321A CN 108548812 A CN108548812 A CN 108548812A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
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Abstract
The invention discloses a kind of methods of triethylamine in measurement soil, which is characterized in that including step：A), soil is added to the water, then extracts solution；B), to step A) chloroform is added in the solution of extraction, lower layer solution is extracted after being layered；C), to step B) bromophenol blue indicator is added in the solution that obtains, colorimetric after a period of time is placed, the triethylamine concentration in sample is calculated according to absorbance value.The method for measuring triethylamine in soil in the present invention both can be used for detecting in soil whether contain triethylamine, can also detect the concentration of triethylamine in soil.For determining, the restoration harness of the pollution level of triethylamine and soil provides accurate data basis in soil.
Description
Technical field
The present invention relates to the methods for measuring triethylamine in soil.
Background technology
With the getting worse of organic pollution of soil, some do not need pollution of the organic matter detected to soil before
It is increasingly severe.For example triethylamine is exactly the one of which organic matter of existing soil pollution.But there is no examine in the prior art
The method for surveying triethylamine in soil hinders pollutant accurately detection and the soil restoration improvement of soil.
Invention content
An object of the present invention is to overcome deficiency in the prior art, and triethylamine in soil can be measured by providing one kind
Method.
In order to achieve the above object, being achieved through the following technical solutions：
The method for measuring triethylamine in soil, which is characterized in that including step：
A), soil is added to the water, then extracts solution；
B), to step A) chloroform is added in the solution of extraction, lower layer solution is extracted after being layered；
C), to step B) bromophenol blue indicator is added in the solution that obtains, colorimetric after a period of time is placed, according to absorbance
Value calculates the triethylamine concentration in sample.
According to one embodiment of present invention, the step A) in water be pure water.
According to one embodiment of present invention, the step A) in, the weight of the soil and the volume ratio of water are 1：(2-
20)。
According to one embodiment of present invention, the step A) in, oscillation 30 minutes or more extracts solution again.
According to one embodiment of present invention, the step B) in, step A) extraction solution and chloroform volume ratio
For (8-12)：1.
According to one embodiment of present invention, the step B) in, oscillation 1 minute or more extracts lower layer's solution again.
According to one embodiment of present invention, the step C) in, step B) solution and the bromophenol blue indicator body that obtain
Product is than being (5-15)：1.
According to one embodiment of present invention, the step C) in, it is stored at room temperature 10 minutes or more colorimetrics again.
The method for measuring triethylamine in soil in the present invention both can be used for detecting in soil whether contain triethylamine,
The concentration of triethylamine in soil can also be detected.For determining the pollution level of triethylamine and the restoration harness of soil in soil
Accurate data basis is provided.
Specific implementation mode
The present invention is described in detail with reference to embodiment：
Embodiment 1
The method for measuring triethylamine in soil, which is characterized in that including step：
A), 10 grams of soil are added in 100ml pure water；Oscillation 1 hour, then extracts solution；
B), to step A) chloroform, step A is added in the solution of extraction) solution and the chloroform volume ratio of extraction
It is 8：1；Lower layer's solution is extracted in oscillation 2 minutes after being layered；
C), to step B) bromophenol blue indicator, step B is added in the solution that obtains) solution and the bromophenol blue that obtain indicate
Agent volume ratio is 10：1；Colorimetric after being stored at room temperature 15 minutes calculates the triethylamine concentration in sample according to absorbance value.
Embodiment 2
The method for measuring triethylamine in soil, which is characterized in that including step：
A), 15 grams of soil are added in 100ml pure water；Oscillation 30 minutes, then extracts solution；
B), to step A) chloroform, step A is added in the solution of extraction) solution and the chloroform volume ratio of extraction
It is 10：1；Lower layer's solution is extracted in oscillation 1 minute after being layered；
C), to step B) bromophenol blue indicator, step B is added in the solution that obtains) solution and the bromophenol blue that obtain indicate
Agent volume ratio is 8：1；It is stored at room temperature colorimetric after ten minutes, the triethylamine concentration in sample is calculated according to absorbance value.
Embodiment 3
The method for measuring triethylamine in soil, which is characterized in that including step：
A), 20 grams of soil are added in 100ml pure water；Oscillation 1.5 hours, then extracts solution；
B), to step A) chloroform, step A is added in the solution of extraction) solution and the chloroform volume ratio of extraction
It is 12： 1；Lower layer's solution is extracted in oscillation 3 minutes after being layered；
C), to step B) bromophenol blue indicator, step B is added in the solution that obtains) solution and the bromophenol blue that obtain indicate
Agent volume ratio is 15：1；Colorimetric after being stored at room temperature 25 minutes calculates the triethylamine concentration in sample according to absorbance value.
Embodiment 4
The method for measuring triethylamine in soil, which is characterized in that including step：
A), 5 grams of soil are added in 100ml pure water；Oscillation 2 hours, then extracts solution；
B), to step A) chloroform, step A is added in the solution of extraction) solution and the chloroform volume ratio of extraction
It is 11： 1；Lower layer's solution is extracted in oscillation 5 minutes after being layered；
C), to step B) bromophenol blue indicator, step B is added in the solution that obtains) solution and the bromophenol blue that obtain indicate
Agent volume ratio is 9：1；Colorimetric after being stored at room temperature 25 minutes calculates the triethylamine concentration in sample according to absorbance value.
Embodiment 5
The method for measuring triethylamine in soil, which is characterized in that including step：
A), 8 grams of soil are added in 100ml pure water；Oscillation 3 hours, then extracts solution；
B), to step A) chloroform, step A is added in the solution of extraction) solution and the chloroform volume ratio of extraction
It is 10：1；Lower layer's solution is extracted in oscillation 1 minute after being layered；
C), to step B) bromophenol blue indicator, step B is added in the solution that obtains) solution and the bromophenol blue that obtain indicate
Agent volume ratio is 10：1；Colorimetric after being stored at room temperature 15 minutes calculates the triethylamine concentration in sample according to absorbance value.
The triethylamine in a collection of soil is measured using the method for embodiment 1 to 5, sample measurement result triethylamine concentration is
Between 1.8-32.6mg/kg.
For the method for the present invention, can be used mark-on method validation, mark-on refer to be added in the soil matrix of blank known to
The triethylamine of amount, the method according to the invention walk whole process analysis, the triethylamine of upper addition are removed according to the result finally analyzed,
Assess the efficiency of the method for the present invention.Verified, the error of the method for the present invention detection is within 5%.For actually detected sample,
Using the method for the present invention detection while, handled using mark-on, it is ensured that the accuracy of overall data result.
The method for measuring triethylamine in soil in the present invention both can be used for detecting in soil whether contain triethylamine,
The concentration of triethylamine in soil can also be detected.For determining the pollution level of triethylamine and the restoration harness of soil in soil
Accurate data basis is provided.
Embodiment in the present invention is only used for that the present invention will be described, and is not construed as limiting the scope of claims limitation,
Other substantially equivalent replacements that those skilled in that art are contemplated that, are within the scope of the invention.
Claims (8)
1. the method for measuring triethylamine in soil, which is characterized in that including step：
A), soil is added to the water, then extracts solution；
B), to step A) chloroform is added in the solution of extraction, lower layer solution is extracted after being layered；
C), to step B) bromophenol blue indicator is added in the solution that obtains, colorimetric after a period of time is placed, according to absorbance value meter
Calculate the triethylamine concentration in sample.
2. it is according to claim 1 measure soil in triethylamine method, which is characterized in that the step A) in water be
Pure water.
3. the method according to claim 1 for measuring triethylamine in soil, which is characterized in that the step A) in, it is described
The weight of soil and the volume ratio of water are 1：(2-20).
4. the method according to claim 1 for measuring triethylamine in soil, which is characterized in that the step A) in, oscillation
Solution is extracted again within 30 minutes or more.
5. the method according to claim 1 for measuring triethylamine in soil, which is characterized in that the step B) in, step
A) solution extracted and chloroform volume ratio are (8-12)：1.
6. the method according to claim 1 for measuring triethylamine in soil, which is characterized in that the step B) in, oscillation 1
Minute or more extract lower layer's solution again.
7. the method according to claim 1 for measuring triethylamine in soil, which is characterized in that the step C) in, step
B) solution obtained and bromophenol blue indicator volume ratio are (5-15)：1.
8. the method according to claim 1 for measuring triethylamine in soil, which is characterized in that the step C) in, room temperature
Stand 10 minutes or more colorimetrics again.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810235321.8A CN108548812A (en) | 2018-03-21 | 2018-03-21 | The method for measuring triethylamine in soil |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810235321.8A CN108548812A (en) | 2018-03-21 | 2018-03-21 | The method for measuring triethylamine in soil |
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| CN108548812A true CN108548812A (en) | 2018-09-18 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102109464A (en) * | 2009-12-25 | 2011-06-29 | 中国科学院沈阳应用生态研究所 | Method of detecting content of hydroquinone in soil |
| CN102435601A (en) * | 2011-09-09 | 2012-05-02 | 苏州浩波科技股份有限公司 | Triethylamine gas detection device |
| CN104597143A (en) * | 2013-10-31 | 2015-05-06 | 大连大公环境检测有限公司 | A method of detecting volatile organic compounds in soil |
| CN105158395A (en) * | 2015-09-18 | 2015-12-16 | 南京迪天环境技术有限公司 | Soil analysis method with coupling of solid-liquid extraction and solid phase microextraction |
-
2018
- 2018-03-21 CN CN201810235321.8A patent/CN108548812A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102109464A (en) * | 2009-12-25 | 2011-06-29 | 中国科学院沈阳应用生态研究所 | Method of detecting content of hydroquinone in soil |
| CN102435601A (en) * | 2011-09-09 | 2012-05-02 | 苏州浩波科技股份有限公司 | Triethylamine gas detection device |
| CN104597143A (en) * | 2013-10-31 | 2015-05-06 | 大连大公环境检测有限公司 | A method of detecting volatile organic compounds in soil |
| CN105158395A (en) * | 2015-09-18 | 2015-12-16 | 南京迪天环境技术有限公司 | Soil analysis method with coupling of solid-liquid extraction and solid phase microextraction |
Non-Patent Citations (2)
| Title |
|---|
| 兰书林 等: "《新编农业环境保护技术》", 30 September 2009, 中原出版传媒集团 中原农民出版社 * |
| 国家环境保护局科技标准司: "《中华人民共和国国家标准》", 1 December 1993 * |
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Application publication date: 20180918 |