CN105954062A - Extraction device and extraction method for chemical substances in water sample - Google Patents
Extraction device and extraction method for chemical substances in water sample Download PDFInfo
- Publication number
- CN105954062A CN105954062A CN201610512185.3A CN201610512185A CN105954062A CN 105954062 A CN105954062 A CN 105954062A CN 201610512185 A CN201610512185 A CN 201610512185A CN 105954062 A CN105954062 A CN 105954062A
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- China
- Prior art keywords
- column jecket
- water sample
- flexible pipe
- plug
- water
- Prior art date
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 77
- 238000000605 extraction Methods 0.000 title claims abstract description 39
- 239000000126 substance Substances 0.000 title claims abstract description 31
- 230000000903 blocking effect Effects 0.000 claims abstract description 32
- 239000011347 resin Substances 0.000 claims abstract description 29
- 229920005989 resin Polymers 0.000 claims abstract description 29
- 238000007789 sealing Methods 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 21
- 239000011521 glass Substances 0.000 claims description 26
- 239000012190 activator Substances 0.000 claims description 15
- 239000000284 extract Substances 0.000 claims description 13
- 230000004913 activation Effects 0.000 claims description 10
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 9
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 9
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 9
- 229910021642 ultra pure water Inorganic materials 0.000 claims description 9
- 239000012498 ultrapure water Substances 0.000 claims description 9
- 210000005056 cell body Anatomy 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 6
- 239000007790 solid phase Substances 0.000 claims description 6
- 229920000742 Cotton Polymers 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000005356 container glass Substances 0.000 claims description 3
- 239000006185 dispersion Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 238000007873 sieving Methods 0.000 claims description 3
- 239000003960 organic solvent Substances 0.000 claims description 2
- 230000005484 gravity Effects 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 abstract description 3
- 238000012544 monitoring process Methods 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/34—Purifying; Cleaning
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
- G01N2001/2866—Grinding or homogeneising
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses an extraction device and an extraction method for chemical substances in a water sample. The extraction device comprises a water storage container (1), a hose (2), a flow velocity control device (3), a column jacket (4) and a valve device (5), wherein the flow velocity control device (3) is fixedly arranged on the outer side of the hose (2); an inserted output end (21) is formed at one end of the hose (2); a sealing device (41) is arranged at an inlet of the column jacket, and an outlet of the column jacket (4) is connected with the valve device (5) in a sealing manner; a first blocking device (42), a second blocking device (43) and resin (44) positioned between the first blocking device (42) and the second blocking device (43) are arranged in the column jacket (4). According to the device and the method, the chemical substances in the water sample can be conveniently extracted without electricity and an air extraction pump by virtue of a gravity principle, and the extraction device for the chemical substances in the water sample is simple, convenient, practical, labor-saving, low in cost and feasible.
Description
Technical field
The present invention relates to the acquisition technique field of chemical substance, particularly relate to chemical substance in a kind of water sample
Extraction element and extracting method.
Background technology
Water quality monitoring is the pith in environmental monitoring, extracts chemical substance contained in water sample to be monitored
It it is the necessary links in water quality monitoring work.In existing acquisition method, use utilizes air pump to take out more
The mode of vacuum, is also required in existing apparatus use the water container being connected by flexible pipe with described air pump,
Operation exception is caused for preventing air pump from being sucked by the water in water container, need to the water yield of water in water container
Add water in time time less, the duration needed for general extraction process is longer (such as more than one day), existing dress
Put existence to assemble complexity, take up room greatly, the shortcoming of labor intensive.So needs one is simple, convenient,
Save extraction element and the extracting method of manpower.
Summary of the invention
For solve above-mentioned technical problem, the invention provides chemical substance in a kind of water sample extraction element and
Extracting method.
The extraction element of chemical substance in the water sample that the present invention provides, including: tank, flexible pipe, stream
Velocity control device, column jecket, valving；
Described current velocity controller is fixed on outside described flexible pipe, and the water side of described flexible pipe has plug-in type
Outfan, the porch of described column jecket has sealing device, the outlet of described column jecket and described valving
Airtight connection；Comprise the first blocking device and the second blocking device in described column jecket and be positioned at described
Resin between first blocking device and described second blocking device；
Described sealing device is seal rubber plug, or, described sealing device includes that section is T-shaped sealing
Plug and the closed cover being fixed on seal rubber plug；Described seal rubber plug central authorities have the first through hole；Described
Closed cover includes that lower cover and upper cover, described lower cover include being fixed on the main part of described seal rubber plug upper end,
Described main part central authorities have second through hole identical with described first through-hole diameter, and described lower cover side has
There are two protuberances, there is the bearing being cased with supporting spring, on described bearing between said two protuberance
Being fixed with switch, the top of described switch has denation, and the opposite side of described main part has use
The projecting block of through hole is run through in having of being connected with described upper cover；
The side of described upper cover has two protuberances, is fixed with bearing between these two protuberances, described
The projecting block of upper cover is rotationally connected with this bearing, and the central authorities of described upper cover have cylindrical protrusion, this cylinder
The diameter of shape projection is identical with the diameter of described first through hole；The opposite side of described upper cover has strip and dashes forward
Rise；
When described sealing device is in closure state, the elongated projections of described upper cover is consolidated with described lower cover
Surely there is the denation clamping on switch.
Said extracted device also has the following characteristics that
Described current velocity controller includes that cell body, described cell body have rectangular base plate, rectangle header board, rectangle
Back plate, two side plates；Chute, described chute it is fixed with between described rectangle header board and described rectangle back plate
On be fixed with slide bar, described slide bar is fixed with in pulley, described rectangle header board and described rectangle back plate all
Having the through hole passed through for described flexible pipe that position is corresponding, one end of described through hole is positioned at described rectangle
In the plane of base plate.
Said extracted device also has the following characteristics that
Described current velocity controller is spherical valve device.
Said extracted device also has the following characteristics that
The water intake end of described flexible pipe is fixed with porous filter core.
Said extracted device also has the following characteristics that
Described blocking device is sintered filter core or glass cotton.
Use said extracted device to carry out the method for the extraction of chemical substance in water sample, comprise the following steps:
Resin synchronizes filling activation step and i.e. uses activator to activate powdery resin in column jecket
Step；
Water sample preparation process；
The extraction step of chemical substance in water sample: inject water sample to be measured to described tank, fixes or puts
Put described tank, the water intake end of described flexible pipe is positioned in described tank, by described flexible pipe
Top be fixed on described tank and make flexible pipe overall in hang and make the height of described column jecket
Valving, less than the height of described tank, to form difference in height, is received plug-in type outfan by degree,
Open valving, get rid of the air in flexible pipe, make water flow out from plug-in type outfan, on described column jecket
Sealing device when being seal rubber plug, use the plug-in type outfan of flexible pipe to penetrate seal rubber plug, by flexible pipe
Plug-in type outfan stretch to inside column jecket；Sealing device on described column jecket includes that section is T-shaped
When seal rubber plug and the closed cover being fixed on seal rubber plug, open closed cover, by defeated for the plug-in type of flexible pipe
Go out end through hole from described seal rubber plug to stretch into inside column jecket；Regulation current velocity controller makes water sample lead to
Crossing column jecket and oozed by valving, after preset duration, extraction completes.
Said method also has the following characteristics that
Described resin synchronizes filling activation step and specifically includes:
Weigh the resin of preset quality, described powdery resin is placed in glass container；By blocking device
After being placed in described glass container, add abluent, carry out ultrasonic waves for cleaning at least 20 minutes；
Perform operations described below at least one times: extract the backward described glass of the abluent in described glass container
Glass container adds new abluent, described glass container is carried out ultrasonic bath and is washed till few 20 minutes；
Extract the abluent in described glass container, after described glass container is dried, obtain powder
Shape resin；
Blocking device is placed in the bottom of the column jecket of sky, at the bottom grafting valving of described column jecket；
In described column jecket, inject activator, in described column jecket, add described powdery resin, knock institute
Stating column jecket makes described powdery resin divide equally dispersion；
Add blocking device at the top of described column jecket, discharged in described column jecket by described valving
Activator；
Column jecket carries out after being closed by described valving ultrasonic bath be washed till in few 20 minutes removal column jeckets
Bubble；
Discharge the partial activation agents in described column jecket, leave the activator of 1-2mm height；
Perform at least twice will add ultra-pure water the operation discharged in described column jecket, operation leaves every time
The ultra-pure water of 1-2mm height；
Sealing-plug device is used to seal described column jecket.
Said method also has the following characteristics that
Described water sample preparation process includes: take appropriate water body, prepares water sample to be measured；Or, it is appropriate heavy to take
Long-pending thing, is dried described deposit, grinds or pulverizes, sieving obtains solid phase sample, uses chemistry
Material fully extracts described solid phase sample, and extract is dissolved in ultra-pure water, prepares water sample to be measured.
Said method also has the following characteristics that
Described method also includes: by air draw-out device, the outfan of described valve is carried out extraction and grasps
Make.
Said method also has the following characteristics that
Described activator is organic solvent, and including methanol, dichloromethane, acetone, described blocking device is
Sintered filter core or glass cotton.
The present invention utilizes gravity principle can be conveniently accomplished the extraction of chemical substance in water sample, it is not necessary to use
Electricity, it is not necessary to use air pump, simple, convenient, practical, saving manpower, be a kind of low cost and simplicity
Feasible water sample chemical substance extraction element.
Accompanying drawing explanation
The accompanying drawing of the part constituting the present invention is used for providing a further understanding of the present invention, the present invention's
Schematic description and description is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.?
In accompanying drawing:
Fig. 1 is the structural representation of the extraction element of chemical substance in water sample in embodiment；
Fig. 2 is the structural representation of sealing device in embodiment；
Fig. 3 is the flow chart of the extracting method of chemical substance in water sample in embodiment.
Description of reference numerals:
1, tank；2, flexible pipe；3, current velocity controller；4, column jecket；5, valving；
21, plug-in type outfan；41, sealing device；42, the first blocking device；43, the second blocking device；
44, resin；411, seal rubber plug；412, lower cover；413, upper cover；4121, bearing；4122、
Switch；4131, elongated projections.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with this
Accompanying drawing in bright embodiment, is clearly and completely described the technical scheme in the embodiment of the present invention,
Obviously, described embodiment is a part of embodiment of the present invention rather than whole embodiments.Based on
Embodiment in the present invention, those of ordinary skill in the art are obtained under not making creative work premise
The every other embodiment obtained, broadly falls into the scope of protection of the invention.It should be noted that do not conflicting
In the case of, the embodiment in the application and the feature in embodiment can mutual combination in any.
Fig. 1 is the structural representation of the extraction element of chemical substance in water sample in embodiment.As it is shown in figure 1,
This extraction element includes tank 1, flexible pipe 2, current velocity controller 3, column jecket 4, valving 5；
Current velocity controller 3 is fixed on outside flexible pipe 2, and one end of flexible pipe 2 has plug-in type outfan
21, the porch of column jecket has sealing device 41, and the outlet of column jecket 4 airtight with valving 5 is connected；
Comprise the first blocking device 42 and the second blocking device 43 in column jecket 4 and be positioned at the first blocking dress
Put 42 and second resins 44 between blocking device 43.
In one embodiment, sealing device 41 is seal rubber plug.Fig. 2 is sealing device in another embodiment
Structural representation.As in figure 2 it is shown, sealing device 41 includes that section is T-shaped seal rubber plug 411
With the closed cover being fixed on seal rubber plug 411；Seal rubber plug 411 central authorities have the first through hole；Airtight
Lid includes lower cover 412 and upper cover 413, and lower cover 412 includes the main body being fixed on seal rubber plug 411 upper end
Portion, main part central authorities have second through hole identical with the first through-hole diameter, and lower cover 412 side has two
Individual protuberance, has the bearing 4121 being cased with supporting spring, bearing is fixed with between two protuberances
Switch 4122, the top of switch has denation, the opposite side of main part have for upper cover
413 connect there is the projecting block running through through hole；The side of upper cover 413 has two protuberances, and these are two years old
Being fixed with bearing between individual protuberance, the projecting block of upper cover 412 is rotationally connected with this bearing, upper cover 413
Central authorities there is cylindrical protrusion, the diameter of this cylindrical protrusion and the diameter of the first through hole are identical；Upper cover
The opposite side of 413 has elongated projections 4131；When sealing device 41 is in closure state, upper cover 413
The denation clamping being fixed with on switch 4122 of elongated projections 4131 and lower cover.
Current velocity controller is spherical valve device, or, current velocity controller includes that cell body, cell body have
Rectangular base plate, rectangle header board, rectangle back plate, two side plates；Fix between rectangle header board and rectangle back plate
There is chute, chute is fixed with slide bar, slide bar is fixed with in pulley, rectangle header board and rectangle back plate all
Having the through hole passed through for flexible pipe that position is corresponding, one end of through hole is positioned at the plane of rectangular base plate
On.
Liquid-in pipe that valving includes being sequentially connected with, valve switch, drain pipe；Liquid-in pipe and column jecket
Exit seal connects.
The water intake end of flexible pipe 2 is fixed with porous filter core.It is miscellaneous that this porous filter core can filter in water sample to be measured
Matter, prevents bubble from entering, it is also possible to increase at the bottom of gravity makes the water intake end of flexible pipe be fixed on bottle.
The material of flexible pipe is polrvinyl chloride.
Fig. 3 is to use the flow chart of the extracting method of chemical substance in water sample, uses said extracted device to enter
In row water sample, the method for the extraction of chemical substance includes:
Step 1, resin synchronizes filling activation step and i.e. uses activator to carry out powdery resin in column jecket
The step of activation；
Step 2, water sample preparation process；
Step 3, the extraction step of chemical substance in water sample: inject water sample to be measured to described tank,
Fix or place described tank, the water intake end of described flexible pipe is positioned in described tank, will
The top of described flexible pipe is fixed on described tank and is made flexible pipe entirety in hang and make described
Valving, less than the height of described tank, to form difference in height, is received insertion by the height of column jecket
Formula outfan, opens valving, gets rid of the air in flexible pipe, makes water flow out from plug-in type outfan,
When sealing device on described column jecket is seal rubber plug, the plug-in type outfan of flexible pipe is used to penetrate fluid sealant
Plug, stretches to the plug-in type outfan of flexible pipe inside column jecket；Sealing device on described column jecket includes breaking
Face be T-shaped seal rubber plug and be fixed on seal rubber plug closed cover time, open closed cover, by flexible pipe
Plug-in type outfan through hole from described seal rubber plug stretch into inside column jecket；Regulation current velocity controller
Water sample is oozed by column jecket and by valving, and after preset duration, extraction completes.
Wherein, the synchronization of the resin in step 1 filling activation specifically includes:
Weigh the resin of preset quality, described powdery resin is placed in glass container；By blocking device
After being placed in described glass container, add abluent, carry out ultrasonic waves for cleaning at least 20 minutes；
Perform operations described below at least one times: extract the backward described glass of the abluent in described glass container
Glass container adds new abluent, described glass container is carried out ultrasonic bath and is washed till few 20 minutes；
Extract the abluent in described glass container, after described glass container is dried, obtain powder
Shape resin；
Blocking device is placed in the bottom of the column jecket of sky, at the bottom grafting valving of described column jecket；
In described column jecket, inject activator, in described column jecket, add described powdery resin, knock institute
Stating column jecket makes described powdery resin divide equally dispersion；
Add blocking device at the top of described column jecket, discharged in described column jecket by described valving
Activator；
Column jecket carries out after being closed by described valving ultrasonic bath be washed till in few 20 minutes removal column jeckets
Bubble；
Discharge the partial activation agents in described column jecket, leave the activator of 1-2mm height；
Perform at least twice will add ultra-pure water the operation discharged in described column jecket, operation leaves every time
The ultra-pure water of 1-2mm height；
Sealing-plug device is used to seal described column jecket.
Water sample preparation process in step 2 includes: take appropriate water body, prepares water sample to be measured；Or, take
Appropriate deposit, is dried described deposit, grinds or pulverizes, sieving obtains solid phase sample, makes
Fully extract described solid phase sample by chemical substance, extract is dissolved in ultra-pure water, prepare water sample to be measured.
When the water rate of outflow in water sample in extraction element is slower, pressurized treatments can be carried out, i.e. pass through
Air draw-out device carries out extraction operation to the outfan of valve, makes the water rate of outflow in water sample accelerate.
Activator used in this method is methanol, dichloromethane, acetone, the blocking device used
For sintered filter core or glass cotton.
Although the consolidation degree after overactivation of the column jecket in the present invention is not as business product in prior art
Capo pipe, but the present invention utilizes gravity principle can be conveniently accomplished the extraction of chemical substance, nothing in water sample
Need electricity consumption, it is not necessary to use air pump, simple, convenient, practical, save manpower, be a kind of low cost and
Simple and feasible water sample chemical substance extraction element.
Descriptions above can combine enforcement individually or in every way, and these modification
Mode is all within protection scope of the present invention.
It should be noted that in this article, term " include ", " comprising " or its any other variant meaning
Containing comprising of nonexcludability, so that include that the article of a series of key element or equipment not only include
Those key elements, but also include other key elements being not expressly set out, or also include for this article
Or the key element that equipment is intrinsic.In the case of there is no more restriction, statement " including ... " limit
Key element, it is not excluded that in the article including described key element or equipment, there is also other identical want
Element.
Above example is only in order to illustrate technical scheme and unrestricted, reference only to preferably implementing
The present invention has been described in detail by example.It will be understood by those within the art that, can be to this
Bright technical scheme is modified or equivalent, without deviating from spirit and the model of technical solution of the present invention
Enclose, all should contain in the middle of scope of the presently claimed invention.
Claims (10)
1. the extraction element of chemical substance in a water sample, it is characterised in that including: tank (1),
Flexible pipe (2), current velocity controller (3), column jecket (4), valving (5)；
Described current velocity controller (3) is fixed on described flexible pipe (2) outside, described flexible pipe (2)
Water side has plug-in type outfan (21), and the porch of described column jecket has sealing device (41),
The outlet airtight with described valving (5) of described column jecket (4) is connected；In in described column jecket (4)
Comprise the first blocking device (42) and the second blocking device (43) and be positioned at described first blocking dress
Put the resin (44) between (42) and described second blocking device (43)；
Described sealing device (41) is seal rubber plug, or, described sealing device (41) includes section
For T-shaped seal rubber plug (411) and the closed cover that is fixed on seal rubber plug (411)；Described sealing
Plug (411) central authorities have the first through hole；Described closed cover includes lower cover (412) and upper cover (413),
Described lower cover (412) includes the main part being fixed on described seal rubber plug (411) upper end, described main body
Central authorities of portion have second through hole identical with described first through-hole diameter, and described lower cover (412) side has
There are two protuberances, there is between said two protuberance the bearing (4121) being cased with supporting spring, institute
Stating and be fixed with switch (4122) on bearing, the top of described switch has denation, described main body
The opposite side in portion has the projecting block running through through hole for having of being connected with described upper cover (413)；
The side of described upper cover (413) has two protuberances, is fixed with axle between these two protuberances
Holding, the projecting block of described upper cover (412) is rotationally connected with this bearing, the central authorities of described upper cover (413)
Having cylindrical protrusion, the diameter of this cylindrical protrusion is identical with the diameter of described first through hole；On described
The opposite side of lid (413) has elongated projections (4131)；
When described sealing device (41) is in closure state, the elongated projections of described upper cover (413)
(4131) with the denation clamping being fixed with on switch (4122) of described lower cover.
2. the extraction element of chemical substance in water sample as claimed in claim 1, it is characterised in that institute
State current velocity controller include cell body, described cell body have rectangular base plate, rectangle header board, rectangle back plate,
Two side plates；Chute it is fixed with between described rectangle header board and described rectangle back plate, fixing on described chute
There is slide bar, described slide bar is fixed with in pulley, described rectangle header board and described rectangle back plate and is respectively provided with position
Putting the corresponding through hole passed through for described flexible pipe, one end of described through hole is positioned at described rectangular base plate
In plane.
3. the extraction element of chemical substance in water sample as claimed in claim 1, it is characterised in that institute
Stating current velocity controller is spherical valve device.
4. the extraction element of chemical substance in water sample as claimed in claim 1, it is characterised in that institute
The water intake end stating flexible pipe (2) is fixed with porous filter core.
5. the extraction element of chemical substance in water sample as claimed in claim 1, it is characterised in that institute
Stating blocking device is sintered filter core or glass cotton.
6. use the extraction element of chemical substance in the water sample described in claim 1,2,3,4 or 5 to enter
The method of the extraction of chemical substance in row water sample, it is characterised in that comprise the following steps:
Resin synchronizes filling activation step and i.e. uses activator to activate powdery resin in column jecket
Step；
Water sample preparation process；
The extraction step of chemical substance in water sample: inject water sample to be measured to described tank, fixes or puts
Put described tank, the water intake end of described flexible pipe is positioned in described tank, by described flexible pipe
Top be fixed on described tank and make flexible pipe overall in hang and make the height of described column jecket
Valving, less than the height of described tank, to form difference in height, is received plug-in type outfan by degree,
Open valving, get rid of the air in flexible pipe, make water flow out from plug-in type outfan, on described column jecket
Sealing device when being seal rubber plug, use the plug-in type outfan of flexible pipe to penetrate seal rubber plug, by flexible pipe
Plug-in type outfan stretch to inside column jecket；Sealing device on described column jecket includes that section is T-shaped
When seal rubber plug and the closed cover being fixed on seal rubber plug, open closed cover, by defeated for the plug-in type of flexible pipe
Go out end through hole from described seal rubber plug to stretch into inside column jecket；Regulation current velocity controller makes water sample lead to
Crossing column jecket and oozed by valving, after preset duration, extraction completes.
7. use the method described in claim 6, it is characterised in that
Described resin synchronizes filling activation step and specifically includes:
Weigh the resin of preset quality, described powdery resin is placed in glass container；By blocking device
After being placed in described glass container, add abluent, carry out ultrasonic waves for cleaning at least 20 minutes；
Perform operations described below at least one times: extract the backward described glass of the abluent in described glass container
Glass container adds new abluent, described glass container is carried out ultrasonic bath and is washed till few 20 minutes；
Extract the abluent in described glass container, after described glass container is dried, obtain powder
Shape resin；
Blocking device is placed in the bottom of the column jecket of sky, at the bottom grafting valving of described column jecket；
In described column jecket, inject activator, in described column jecket, add described powdery resin, knock institute
Stating column jecket makes described powdery resin divide equally dispersion；
Add blocking device at the top of described column jecket, discharged in described column jecket by described valving
Activator；
Column jecket carries out after being closed by described valving ultrasonic bath be washed till in few 20 minutes removal column jeckets
Bubble；
Discharge the partial activation agents in described column jecket, leave the activator of 1-2mm height；
Perform at least twice will add ultra-pure water the operation discharged in described column jecket, operation leaves every time
The ultra-pure water of 1-2mm height；
Sealing-plug device is used to seal described column jecket.
8. use the method described in claim 6, it is characterised in that
Described water sample preparation process includes: take appropriate water body, prepares water sample to be measured；Or, it is appropriate heavy to take
Long-pending thing, is dried described deposit, grinds or pulverizes, sieving obtains solid phase sample, uses chemistry
Material fully extracts described solid phase sample, and extract is dissolved in ultra-pure water, prepares water sample to be measured.
9. use the method described in claim 6, it is characterised in that
Described method also includes: by air draw-out device, the outfan of described valve is carried out extraction and grasps
Make.
10. use the method described in claim 6, it is characterised in that
Described activator is organic solvent, and including methanol, dichloromethane, acetone, described blocking device is
Sintered filter core or glass cotton.
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Cited By (1)
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| CN109723978A (en) * | 2019-01-10 | 2019-05-07 | 东华大学 | Pipeline anti-leak measuring device |
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| CN105954062B (en) | 2017-12-08 |
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