CN109541089A - A method of based on organo-chlorine pesticide in gas chromatograph detection waste water - Google Patents
A method of based on organo-chlorine pesticide in gas chromatograph detection waste water Download PDFInfo
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- CN109541089A CN109541089A CN201811622932.4A CN201811622932A CN109541089A CN 109541089 A CN109541089 A CN 109541089A CN 201811622932 A CN201811622932 A CN 201811622932A CN 109541089 A CN109541089 A CN 109541089A
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- 239000002351 wastewater Substances 0.000 title claims abstract description 47
- 239000003993 organochlorine pesticide Substances 0.000 title claims abstract description 40
- 238000001514 detection method Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000001914 filtration Methods 0.000 claims abstract description 62
- 238000000926 separation method Methods 0.000 claims abstract description 17
- 238000000605 extraction Methods 0.000 claims abstract description 16
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 238000004817 gas chromatography Methods 0.000 claims abstract description 4
- 238000002360 preparation method Methods 0.000 claims abstract description 4
- 239000000243 solution Substances 0.000 claims description 36
- 239000003208 petroleum Substances 0.000 claims description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 33
- 239000012528 membrane Substances 0.000 claims description 31
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 30
- 239000007789 gas Substances 0.000 claims description 28
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 25
- 239000012259 ether extract Substances 0.000 claims description 19
- 239000010410 layer Substances 0.000 claims description 19
- 239000011259 mixed solution Substances 0.000 claims description 14
- 239000000523 sample Substances 0.000 claims description 14
- 238000005070 sampling Methods 0.000 claims description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- 239000000284 extract Substances 0.000 claims description 11
- 239000012535 impurity Substances 0.000 claims description 11
- 238000012545 processing Methods 0.000 claims description 9
- 239000012488 sample solution Substances 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 8
- 239000012086 standard solution Substances 0.000 claims description 7
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 239000011148 porous material Substances 0.000 claims description 6
- 239000002344 surface layer Substances 0.000 claims description 6
- 230000008719 thickening Effects 0.000 claims description 6
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 5
- WBZKQQHYRPRKNJ-UHFFFAOYSA-L disulfite Chemical compound [O-]S(=O)S([O-])(=O)=O WBZKQQHYRPRKNJ-UHFFFAOYSA-L 0.000 claims description 5
- 238000013517 stratification Methods 0.000 claims description 5
- 239000012159 carrier gas Substances 0.000 claims description 3
- 239000003153 chemical reaction reagent Substances 0.000 claims description 3
- 239000012153 distilled water Substances 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 2
- 238000002137 ultrasound extraction Methods 0.000 claims description 2
- 239000004575 stone Substances 0.000 claims 1
- 238000002203 pretreatment Methods 0.000 abstract 1
- 239000010865 sewage Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000000575 pesticide Substances 0.000 description 4
- -1 phthalic acid ester Chemical class 0.000 description 4
- 229920000742 Cotton Polymers 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000009514 concussion Effects 0.000 description 2
- 230000005264 electron capture Effects 0.000 description 2
- 238000009863 impact test Methods 0.000 description 2
- 230000010358 mechanical oscillation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-N o-dicarboxybenzene Natural products OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 2
- 150000002894 organic compounds Chemical class 0.000 description 2
- 239000003987 organophosphate pesticide Substances 0.000 description 2
- 229930195735 unsaturated hydrocarbon Natural products 0.000 description 2
- 241000973497 Siphonognathus argyrophanes Species 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005213 imbibition Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003903 river water pollution Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/04—Preparation or injection of sample to be analysed
- G01N30/06—Preparation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/62—Detectors specially adapted therefor
- G01N30/64—Electrical detectors
- G01N30/70—Electron capture detectors
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
本发明公开了一种基于气相色谱仪检测废水中有机氯农药的方法，通过废水取样器从废水中均匀采集废水样品，再将获取的废水溶液经过过滤处理、超声分离提取、分液提取和配制标准溶液，最后将样品溶液和标准溶液都注入气相色谱仪内检测；相较于传统的样品前处理方法，有机氯农药的提取充分、提取效率增加，从而提高了检测的准确性。
The invention discloses a method for detecting organochlorine pesticides in waste water based on gas chromatography. A waste water sampler is used to uniformly collect waste water samples from waste water, and then the obtained waste water solution is subjected to filtration treatment, ultrasonic separation and extraction, liquid separation extraction and preparation. Compared with the traditional sample pretreatment method, the extraction of organochlorine pesticides is sufficient and the extraction efficiency is increased, thereby improving the accuracy of detection.
Description
Technical field
The present invention relates to a kind of organo-chlorine pesticide detection technique fields, more particularly to a kind of detected based on gas chromatograph to give up
The method of organo-chlorine pesticide in water.
Background technique
In recent years, the various pesticides in China using more and more, cause river pollution to get worse, it is toxic in river wastewater
The content of harmful substance is more and more, has highly impacted the living standard of human body；And in sewage organo-chlorine pesticide content
Reflect river water pollution by pesticides degree.
In the contaminated degree of detection river pesticide, entirely using in gas chromatograph detection process, early period is to sample
Processing not enough in place, sample treatment is not rapid enough, cause the extraction of organo-chlorine pesticide therein to be not enough, extraction it is organic
Impurity containing impact testing result in chloro pesticide, so that causing the accuracy rate of detection reduces.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the present invention provides a kind of based on gas chromatograph inspection
The method for surveying organo-chlorine pesticide in waste water can sufficiently rapidly handle sample, improve the accuracy of detection.
Technical solution: to achieve the above object, one kind of the invention is based on organochlorine agriculture in gas chromatograph detection waste water
The method of medicine: it comprises the following steps that
Step 1, sample acquisition: respectively extracting waste water solution from the surface layer, middle layer and bottom of waste water by Waste water sampler,
After mixing again from the waste water solution that waste water surface layer, middle layer and bottom extract, mixed solution is quantitatively extracted with reagent bottle；In waste water
Middle uniform sampling, so that sample waste water solution is more representative.
Step 2, filtration treatment: being filtered processing to the mixed solution of extraction, make mixed solution from filter structure into
The mouth of a river flows into, and obtains filtering solution after filtering solid impurity therein by filter structure；Contain other solid impurities in sewage
It will affect subsequent processing, it is necessary to remove by filtration treatment.
Step 3, ultrasonic Separation processing: take the filtering solution obtained in step 2 to pour into conical centrifuge tube, thereto plus
Enter petroleum ether, in the ferrule using sealing-plug to conical centrifuge tube；Using ultrasonic extraction, liquid to be extracted is separated from the water
Afterwards, it extracts extract liquor and makes extract liquor by filtration membrane, obtain petroleum ether extract；Sewage is separated by ultrasonic technique
In organo-chlorine pesticide, be dissolved in organo-chlorine pesticide all in petroleum ether, organo-chlorine pesticide separation and Extraction is more thorough；And ultrasound
It is short the time required to technology separation, it is high-efficient.
Step 4, liquid separation are extracted: the concentrated sulfuric acid are added when rocking into petroleum ether extract, slight shaking, wait stand point
After layer, sulfuric acid layer is discarded, is repeated the above steps until stopping when sulfuric acid layer is transparent；Then it is mentioned to the petroleum ether for discarding sulfuric acid layer
It takes and metabisulfite solution is added in liquid, shaking several times, discards water layer after its stratification, repeats to petroleum ether extract in
Stop when property；Petroleum ether extract is dehydrated through the cartridge type funnel equipped with anhydrous sodium sulfate again, then is filtered in K-D inspissator, and K-D is dense
Contracting device, which is placed on water-bath, is concentrated petroleum ether extract, and obtained sample solution is used for the measurement of gas-chromatography；Pass through dense sulphur
Acid removes the organophosphorus pesticide contained in sample, unsaturated hydrocarbons and faces the organic compounds such as phthalic acid ester, prevents these interference
The detection of substance influence organo-chlorine pesticide.
The preparation of standard solution: step 5 a variety of content difference organo-chlorine pesticide powder is respectively dissolved in distilled water
Mixed solution is made, according to Step 2: the organo-chlorine pesticide standard solution containing various concentration is made in step 3；Organo-chlorine pesticide
In contrast standard solution is acted on sample solution.
Step 6, using gas chromatograph test sample: extracting sample solution using syringe and be injected into gas chromatograph
Interior detection.
Further, the filtering solution taken in the step 3 is 100ml；The petroleum ether is 10ml.
Further, the volume for the concentrated sulfuric acid being added in the step 4 is 1ml；The volume of the metabisulfite solution is
25ml；Petroleum ether extract is concentrated into 3mL by K-D inspissator.
Further, the model Agilent 7890B of the gas chromatograph；Detector used in the gas chromatograph
For electron capture detector, the carrier gas is nitrogen, and the nitrogen flow rate is 60ml/min.
Further, the pulp thickening device includes piston structure and connects with sampling bottle, the sampling bottle thread seal
It connects on piston structure, and sampling bottle is connected to piston structure plunger shaft；The front end of the piston structure is provided with feed liquor water pipe；
By stretching the piston rod of piston structure, so that waste water is pumped into sampling bottle from feed liquor water pipe；The water inlet of the feed liquor water pipe
End is provided with wicking structure, and the wicking structure is in horn-like setting.Waste water solution is extracted by setting Waste water sampler, it is convenient
Fast, it while being also convenient for carrying pulp thickening device.
Diverging is provided with several inlets on the wicking structure, and the wicking structure is internally provided with filter cotton.It is convenient for
Pulp thickening device draws sewage solution.
Further, the filter structure in step 2 includes the first filtration membrane and the second filtration membrane, and described first
Filtration membrane and the second filtration membrane distinguish cylindrical setting, and second filtration membrane is set in the first filtration membrane,
The water inlet of the filter structure is arranged outside the first filtration membrane, and the water outlet connection of the filter structure is arranged second
Inside filtration membrane；Pore size filter of the pore size filter of second filtration membrane less than the first filtration membrane.Make mixed solution
Pass through multiple filtration film.More thoroughly except the solid impurity in decontaminated water.
Further, conical centrifuge tube is put into the rinse bath of ultrasonic cleaner in step 3, by by sound wave
It is converted into mechanical oscillation and separating treatment is carried out to the filtering solution in conical centrifuge tube, keep the organo-chlorine pesticide in filtering solution complete
Portion is dissolved into petroleum ether.Concussion separation is carried out to conical centrifuge tube with ultrasonic cleaner, keeps organo-chlorine pesticide all molten
In petroleum ether, organo-chlorine pesticide separation and Extraction is more thorough.
The utility model has the advantages that a kind of method based on organo-chlorine pesticide in gas chromatograph detection waste water of the invention, pass through by
The waste water solution of acquisition is extracted by filtration treatment, ultrasonic Separation, liquid separation is extracted, compared to traditional sample-pretreating method,
The extraction of organo-chlorine pesticide is abundant, extraction efficiency increases, and the impurity of the impact testing result contained in sample solution is few, to mention
The high accuracy of detection.
Detailed description of the invention
Attached drawing 1 is sample detection processing flow schematic diagram of the invention；
Attached drawing 2 is the structural schematic diagram of Waste water sampler of the invention；
Attached drawing 3 is the structural schematic diagram of wicking structure of the invention；
Attached drawing 4 is the structural schematic diagram of filter structure of the invention.
Specific embodiment
The present invention will be further explained with reference to the accompanying drawing.
As described in attached drawing 1~4 it is a kind of based on gas chromatograph detection waste water in organo-chlorine pesticide method: including just like
Lower step:
Step 1, sample acquisition: respectively extracting waste water solution from the surface layer, middle layer and bottom of waste water by Waste water sampler,
After being mixed again from the waste water solution that waste water surface layer, middle layer and bottom extract, the uniform sampling in waste water, so that sample waste water is molten
Liquid is more representative.Mixed solution 250ml is quantitatively extracted with reagent bottle.The pulp thickening device includes 1 He of piston structure
With sampling bottle 2,2 thread seal of sampling bottle is connected on 1 side wall of piston structure, and sampling bottle 2 and piston structure plunger shaft
11 connections；The front end of the piston structure 1 is provided with feed liquor water pipe 3；By stretching the piston rod 12 of piston structure 1, thus will
Waste water is pumped into sampling bottle 2 from feed liquor water pipe 3；The water inlet end of the feed liquor water pipe 3 is provided with wicking structure 31, the imbibition knot
Structure 31 is in horn-like setting, draws sewage solution convenient for pulp thickening device.On the wicking structure 31 diverging be provided with it is several into
Liquid mouth 311, the wicking structure 31 are internally provided with filter cotton 312, filter cotton 312 can large-scale impurity in filtered wastewater,
Prevent contamination and plugging feed liquor water pipe 3.
Filtration treatment: step 2 will affect subsequent processing containing other solid impurities in sewage, it is necessary to pass through filtration treatment
It removes.Processing is filtered to the mixed solution of extraction, mixed solution is flowed into from the water inlet of filter structure 4, passes through filtering
Structure 4 obtains filtering solution after filtering solid impurity therein；Filter structure 4 includes the first filtration membrane 41 and the second filtering
Film 42, first filtration membrane 41 and the second filtration membrane 42 distinguish cylindrical setting, second filtration membrane 42
It is set in the first filtration membrane 41, the water inlet of the filter structure 4 is arranged outside the first filtration membrane 41, the filtering
The water outlet connection of structure 4 is arranged inside the second filtration membrane 42；The pore size filter of second filtration membrane 42 is less than
The pore size filter of one filtration membrane 41, filters mixed solution successively gradually, and the filter effect of filter structure 4 is more preferable.Make to mix
Solution passes through multiple filtration film.More thoroughly except the solid impurity in decontaminated water.
Step 3, ultrasonic Separation processing: taking the filtering solution obtained in step 2 to pour into conical centrifuge tube, and what is taken is mixed
Conjunction solution is 100ml；Petroleum ether is added thereto, the petroleum ether is 10ml.In the pipe using sealing-plug to conical centrifuge tube
Mouth sealing, conical centrifuge tube is put into the rinse bath of ultrasonic cleaner, by converting acoustic waves into mechanical oscillation to cone
Filtering solution in shape centrifuge tube carries out separating treatment, is dissolved into the organo-chlorine pesticide in filtering solution all in petroleum ether.
Concussion separation is carried out to conical centrifuge tube with ultrasonic cleaner, is dissolved in organo-chlorine pesticide all in petroleum ether, organochlorine
Pesticide separation and Extraction is more thorough.Convenient for being centrifugated to filtering solution；30min, liquid and water to be extracted are extracted using ultrasonic technique
After mutually separating, extracts extract liquor and make extract liquor by filtration membrane, obtain petroleum ether extract, filtration membrane can cross fitros
Solid impurity in oily ethereal solution；It is short the time required to ultrasonic technique separation, it is high-efficient.
Step 4, liquid separation are extracted: the concentrated sulfuric acid, the volume of the concentrated sulfuric acid of addition is added when rocking into petroleum ether extract
For 1ml；Slight shaking, after stratification, discards sulfuric acid layer, repeats the above steps until stopping when sulfuric acid layer is transparent；It is logical
It crosses the concentrated sulfuric acid to remove the organophosphorus pesticide contained in sample, unsaturated hydrocarbons and face the organic compounds such as phthalic acid ester, prevents this
A little interfering substances influence the detection of organo-chlorine pesticide.Then it is molten that sodium sulphate is added into the petroleum ether extract for discard sulfuric acid layer
Liquid, the volume of the metabisulfite solution are 25ml；Shaking several times, discards water layer after its stratification, repeats to petroleum ether
Stop when extracting solution is at neutrality；Petroleum ether extract is dehydrated through the cartridge type funnel equipped with anhydrous sodium sulfate again, then is filtered into K-D inspissator
In, K-D inspissator, which is placed on water-bath, is concentrated petroleum ether extract, and petroleum ether extract is concentrated by K-D inspissator
3mL promotes the concentration of organo-chlorine pesticide in petroleum ether, detects in gas chromatograph more accurate；Obtained sample solution is used for
The measurement of gas-chromatography；
The preparation of standard solution: step 5 a variety of content difference organo-chlorine pesticide powder is respectively dissolved in distilled water
Mixed solution is made, according to Step 2: the organo-chlorine pesticide standard solution containing various concentration is made in step 3；
Step 6, using gas chromatograph test sample: the model Agilent 7890B of the gas chromatograph, institute
Stating detector used in gas chromatograph is electron capture detector, and the carrier gas is nitrogen, and the nitrogen flow rate is 60ml/min；
It is injected into gas chromatograph and is detected using syringe extraction 1~2ul sample solution.
The above is only a preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (8)
1. a kind of method based on organo-chlorine pesticide in gas chromatograph detection waste water, it is characterised in that: comprise the following steps that
Sample acquisition: step 1 respectively extracts waste water solution from the surface layer, middle layer and bottom of waste water by Waste water sampler, then will
After the waste water solution extracted from waste water surface layer, middle layer and bottom mixes, mixed solution is quantitatively extracted with reagent bottle；
Step 2, filtration treatment: being filtered processing to the mixed solution of extraction, makes water inlet of the mixed solution from filter structure
It flows into, obtains filtering solution after filtering solid impurity therein by filter structure；
Step 3, ultrasonic Separation are extracted: taking the filtering solution obtained in step 2 to pour into conical centrifuge tube, stone is added thereto
Oily ether, in the ferrule using sealing-plug to conical centrifuge tube；Using ultrasonic extraction, after liquid to be extracted is separated from the water, mention
It takes extract liquor and makes extract liquor by filtration membrane, obtain petroleum ether extract；
Step 4, liquid separation are extracted: the concentrated sulfuric acid is added when rocking into petroleum ether extract, it is slight to shake, and after stratification,
Sulfuric acid layer is discarded, is repeated the above steps until stopping when sulfuric acid layer is transparent；Then to the petroleum ether extract for discarding sulfuric acid layer
Middle addition metabisulfite solution, shaking several times, discard water layer after its stratification, when repeating to petroleum ether extract into neutrality
Only；Petroleum ether extract is dehydrated through the cartridge type funnel equipped with anhydrous sodium sulfate again, then is filtered in K-D inspissator, by K-D inspissator
Being placed on water-bath is concentrated petroleum ether extract, and obtained sample solution is used for the measurement of gas-chromatography；
The preparation of standard solution: step 5 a variety of content difference organo-chlorine pesticide powder is respectively dissolved in distilled water and are made
Mixed solution, according still further to Step 3: the organo-chlorine pesticide standard solution containing various concentration is made in step 4；
Step 6, using gas chromatograph test sample: being injected into gas chromatograph and examined using syringe extraction sample solution
It surveys.
2. a kind of method based on organo-chlorine pesticide in gas chromatograph detection waste water according to claim 1, feature
Be: the filtering solution taken in the step 3 is 100ml；The petroleum ether is 10ml.
3. a kind of method based on organo-chlorine pesticide in gas chromatograph detection waste water according to claim 1, feature
Be: the volume for the concentrated sulfuric acid being added in the step 4 is 1ml；The volume of the metabisulfite solution is 25ml；K-D inspissator
Petroleum ether extract is concentrated into 3mL.
4. a kind of method based on organo-chlorine pesticide in gas chromatograph detection waste water according to claim 1, feature
It is: the model Agilent 7890B of the gas chromatograph；Detector used in the gas chromatograph is electronics capture inspection
Device is surveyed, the carrier gas is nitrogen, and the nitrogen flow rate is 60ml/min.
5. a kind of method based on organo-chlorine pesticide in gas chromatograph detection waste water according to claim 1, feature
Be: the pulp thickening device includes piston structure (1) and sampling bottle (2), and sampling bottle (2) thread seal is connected to work
On plug structure side wall, and sampling bottle (2) is connected to piston structure (1) plunger shaft (11)；The front end of the piston structure (1) is arranged
There are feed liquor water pipe (3)；By stretching the piston rod (12) of piston structure (1), sampled so that waste water is pumped into from feed liquor water pipe (3)
In bottle (2)；The water inlet end of the feed liquor water pipe (3) is provided with wicking structure (31), and the wicking structure (31) sets in horn-like
It sets.
6. a kind of method based on organo-chlorine pesticide in gas chromatograph detection waste water according to claim 5, feature
Be: diverging is provided with several inlets (311) on the wicking structure (31), and the wicking structure (31) was internally provided with
Filter pulp (312).
7. a kind of method based on organo-chlorine pesticide in gas chromatograph detection waste water according to claim 1, feature
Be: the filter structure (4) in step 2 includes the first filtration membrane (41) and the second filtration membrane (42), first mistake
Filtering film (41) and the second filtration membrane (42), cylindrical setting, second filtration membrane (42) are set in the first mistake respectively
It filters in film (41), the water inlet setting of the filter structure (4) is external in the first filtration membrane (41), the filter structure
(4) water outlet connection setting is internal in the second filtration membrane (42)；The pore size filter of second filtration membrane (42) is less than
The pore size filter of first filtration membrane (41).
8. a kind of method based on organo-chlorine pesticide in gas chromatograph detection waste water according to claim 1, feature
It is: conical centrifuge tube is put into the rinse bath of ultrasonic cleaner in step 3, by converts acoustic waves into mechanical vibration
The dynamic filtering solution in conical centrifuge tube carries out separating treatment, and the organo-chlorine pesticide in filtering solution is made all to be dissolved into petroleum
In ether.
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU672536A1 (en) * | 1976-07-07 | 1979-07-05 | Gorbunov Vladimir A | Sampler |
| US6042787A (en) * | 1990-02-04 | 2000-03-28 | Pawliszyn; Janusz B. | Device for solid phase microextraction and desorption |
| CN104415595A (en) * | 2013-09-05 | 2015-03-18 | 程章 | Filter drum internally provided with dual-layer filtering structure |
| CN104458329A (en) * | 2014-12-15 | 2015-03-25 | 青岛欧森系统技术有限公司 | Unmanned aerial vehicle type automatic sampling system at fixed points of water surface |
| CN105547746A (en) * | 2015-12-14 | 2016-05-04 | 中广核工程有限公司 | Nuclear power plant radioactive fluid waste online sampling device and method |
| CN205665052U (en) * | 2016-05-03 | 2016-10-26 | 成都理工大学 | Portable shallow water quality of water sampling device |
| CN205844021U (en) * | 2016-07-28 | 2016-12-28 | 宁波大学 | The ballast water sampling apparatus that a kind of sample position is random |
| CN206258451U (en) * | 2016-12-23 | 2017-06-16 | 王波 | A kind of hand-held water quality sampler |
| CN206762375U (en) * | 2017-05-29 | 2017-12-19 | 盐城大丰尊一环保科技有限公司 | A kind of river detects sampling bottle filter |
| CN108760930A (en) * | 2018-06-20 | 2018-11-06 | 杭州格临检测股份有限公司 | Water quality six six six, the measurement gas-phase chromatographic capillary column method of DDT |
| CN208187775U (en) * | 2018-04-24 | 2018-12-04 | 韩树学 | A kind of environmental project sewage detection sampler |
-
2018
- 2018-12-28 CN CN201811622932.4A patent/CN109541089A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU672536A1 (en) * | 1976-07-07 | 1979-07-05 | Gorbunov Vladimir A | Sampler |
| US6042787A (en) * | 1990-02-04 | 2000-03-28 | Pawliszyn; Janusz B. | Device for solid phase microextraction and desorption |
| CN104415595A (en) * | 2013-09-05 | 2015-03-18 | 程章 | Filter drum internally provided with dual-layer filtering structure |
| CN104458329A (en) * | 2014-12-15 | 2015-03-25 | 青岛欧森系统技术有限公司 | Unmanned aerial vehicle type automatic sampling system at fixed points of water surface |
| CN105547746A (en) * | 2015-12-14 | 2016-05-04 | 中广核工程有限公司 | Nuclear power plant radioactive fluid waste online sampling device and method |
| CN205665052U (en) * | 2016-05-03 | 2016-10-26 | 成都理工大学 | Portable shallow water quality of water sampling device |
| CN205844021U (en) * | 2016-07-28 | 2016-12-28 | 宁波大学 | The ballast water sampling apparatus that a kind of sample position is random |
| CN206258451U (en) * | 2016-12-23 | 2017-06-16 | 王波 | A kind of hand-held water quality sampler |
| CN206762375U (en) * | 2017-05-29 | 2017-12-19 | 盐城大丰尊一环保科技有限公司 | A kind of river detects sampling bottle filter |
| CN208187775U (en) * | 2018-04-24 | 2018-12-04 | 韩树学 | A kind of environmental project sewage detection sampler |
| CN108760930A (en) * | 2018-06-20 | 2018-11-06 | 杭州格临检测股份有限公司 | Water quality six six six, the measurement gas-phase chromatographic capillary column method of DDT |
Non-Patent Citations (2)
| Title |
|---|
| 余蕾 等: "超声提取-气相色谱法测定谷物中六六六和滴滴涕", 《新疆有色金属》 * |
| 国家环境保护局: "《中华人民共和国国家标准 GB 7492-87》", 1 August 1987 * |
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