CN105954062B - The extraction element and extracting method of chemical substance in a kind of water sample - Google Patents
The extraction element and extracting method of chemical substance in a kind of water sample Download PDFInfo
- Publication number
- CN105954062B CN105954062B CN201610512185.3A CN201610512185A CN105954062B CN 105954062 B CN105954062 B CN 105954062B CN 201610512185 A CN201610512185 A CN 201610512185A CN 105954062 B CN105954062 B CN 105954062B
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- Prior art keywords
- fixed
- column jecket
- flexible pipe
- water sample
- chemical substance
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 65
- 238000000605 extraction Methods 0.000 title claims abstract description 32
- 239000000126 substance Substances 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title abstract description 18
- 230000000903 blocking effect Effects 0.000 claims abstract description 28
- 238000007789 sealing Methods 0.000 claims abstract description 24
- 239000011347 resin Substances 0.000 claims abstract description 21
- 229920005989 resin Polymers 0.000 claims abstract description 21
- 210000005056 cell body Anatomy 0.000 claims description 6
- 239000011490 mineral wool Substances 0.000 claims description 4
- 238000005245 sintering Methods 0.000 claims 1
- 230000005484 gravity Effects 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 abstract description 3
- 239000011521 glass Substances 0.000 description 14
- 239000012190 activator Substances 0.000 description 10
- 239000012459 cleaning agent Substances 0.000 description 8
- 230000004913 activation Effects 0.000 description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 6
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 229910021642 ultra pure water Inorganic materials 0.000 description 6
- 239000012498 ultrapure water Substances 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 4
- 239000007790 solid phase Substances 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000007873 sieving Methods 0.000 description 2
- 239000013065 commercial product Substances 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
- 210000004209 hair Anatomy 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000006467 substitution reaction Methods 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 the extraction element and extracting method of chemical substance in a kind of water sample, extraction element includes：Tank (1), flexible pipe (2), current velocity controller (3), column jecket (4), valving (5)；Current velocity controller (3) is fixed on the outside of flexible pipe (2), one end of flexible pipe (2) has plug-in type output end (21), the porch of column jecket has sealing device (41), and the outlet (5) closed with the valving of column jecket (4) is connected；The first blocking device (42) and the second blocking device (43) and the resin (44) between first blocking device (42) and second blocking device (43) are included in the column jecket (4).The present invention can be conveniently accomplished the extraction of chemical substance in water sample using gravity principle, and without electricity consumption, without using aspiration pump, simple, convenient, practical, saving manpower, is a kind of inexpensive and simple and feasible water sample chemical substance extraction element.
Description
Technical field
The present invention relates to the acquisition technique field of chemical substance, more particularly in a kind of water sample chemical substance extraction element
And extracting method.
Background technology
Water quality monitoring is the pith in environmental monitoring, and it is water quality prison to extract chemical substance contained in water sample to be monitored
The necessary links surveyed in work.It is more by the way of being vacuumized using aspiration pump in existing acquisition method, existing apparatus
In be also required to use the water container with the aspiration pump being connected by flexible pipe, for prevent aspiration pump by water container water suction lead
Operation exception is caused, water need to be added in time when the water of the water in water container is less, the longer (example of duration needed for general extraction process
Such as more than one day), the shortcomings that assembling is complicated, space-consuming is big, labor intensive be present in existing apparatus.So need it is a kind of simple,
Extraction element and extracting method convenient, that save manpower.
The content of the invention
In order to solve the above technical problems, the invention provides a kind of extraction element of chemical substance in water sample and extraction side
Method.
The extraction element of chemical substance in water sample provided by the invention, including：Tank, flexible pipe, current velocity controller,
Column jecket, valving；
The current velocity controller is fixed on the outside of the flexible pipe, and the water side of the flexible pipe has plug-in type output end,
The porch of the column jecket has sealing device, the outlet of the column jecket and the valving airtight connection；In the column jecket
In comprising the first blocking device and the second blocking device and positioned at first blocking device and second blocking device it
Between resin；
The sealing device is seal rubber plug, or, the sealing device is T-shaped seal rubber plug and fixation including section
In the closed cover on seal rubber plug；The seal rubber plug center has first through hole；The closed cover includes lower cover and upper lid, institute
The main part that lower cover includes being fixed on the seal rubber plug upper end is stated, the main part center has and the first through hole diameter
The through hole of identical second, the lower cover side have two protuberances, have between described two protuberances and be cased with support spring
Bearing, switch is fixed with the bearing, the top of the switch has denation, the opposite side tool of the main part
There is the projecting block having through through hole for being connect with the top cap；
The side of the upper lid has two protuberances, and bearing is fixed between this two protuberances, and the upper lid is dashed forward
Go out block and this bearing to be rotatablely connected, the center of the upper lid has cylindrical protrusion, the diameter of this cylindrical protrusion and described the
The diameter of one through hole is identical；The opposite side of the upper lid has elongated projections；
When the sealing device is in closure state, the elongated projections of the upper lid are fixed with switch with the lower cover
On denation clamping.
Said extracted device also has the characteristics that：
The current velocity controller includes cell body, the cell body have rectangular base plate, rectangle foreboard, rectangle back plate, two
Side plate；Chute is fixed between the rectangle foreboard and the rectangle back plate, is fixed with slide bar on the chute, on the slide bar
Be fixed with pulley, be respectively provided with the rectangle foreboard and the rectangle back plate position it is corresponding be used for the flexible pipe pass through it is logical
Hole, one end of the through hole are located in the plane of the rectangular base plate.
Said extracted device also has the characteristics that：
The current velocity controller is ball-type valve gear.
Said extracted device also has the characteristics that：
The water intake end of the flexible pipe is fixed with porous filter core.
Said extracted device also has the characteristics that：
The blocking device is sintered filter core or mineral wool.
The method that the extraction of chemical substance in water sample is carried out using said extracted device, is comprised the following steps：
Synchronously filling activation step is the step of activation using activator to powdery resin in column jecket to resin；
Water sample preparation process；
The extraction step of chemical substance in water sample：Water sample to be measured is injected to the tank, fixes or place the storage
Water receptacle, the water intake end of the flexible pipe is positioned in the tank, the water storage is fixed on the top of the flexible pipe
Make flexible pipe integrally in hang on container and the height of the column jecket is less than the height of the tank, to form height
Degree is poor, and valving is connected into plug-in type output end, opens valving, the air in flexible pipe is excluded, makes water defeated from plug-in type
Go out end to flow out, when the sealing device on the column jecket is seal rubber plug, seal rubber plug penetrated using the plug-in type output end of flexible pipe,
The plug-in type output end of flexible pipe is stretched to inside column jecket；Sealing device on the column jecket is T-shaped fluid sealant including section
When filling in and be fixed on the closed cover on seal rubber plug, closed cover is opened, by the plug-in type output end of flexible pipe from the seal rubber plug
On through hole stretch into inside column jecket；Regulation current velocity controller causes water sample to be oozed by column jecket and by valving, passes through
After preset duration, extraction is completed.
The above method also has the characteristics that：
Synchronously filling activation step specifically includes the resin：
The resin of preset quality is weighed, the powdery resin is placed in glass container；Blocking device is placed in described
After glass container, cleaning agent is added, ultrasonic wave is carried out and cleans at least 20 minutes；
Perform operations described below at least once：Cleaning agent in the glass container is extracted backward in the glass container
New cleaning agent is added, ultrasonic bath is carried out to the glass container and is washed till 20 minutes less；
The cleaning agent in the glass container is extracted, powdery resin is obtained after the glass container is dried；
Blocking device is placed in the bottom of the column jecket of sky, in the bottom grafting valving of the column jecket；
Activator is injected into the column jecket, the powdery resin is added into the column jecket, knocking the column jecket makes
The powdery resin is divided equally scattered；
Blocking device is added at the top of the column jecket, the activator in the column jecket is discharged by the valving；
Column jecket progress ultrasonic bath is washed till the few 20 minutes bubbles removed in column jecket after the valving is closed；
The partial activation agents in the column jecket are discharged, leave the activator of 1-2mm height；
Perform at least twice will in the column jecket add ultra-pure water and discharge operation, every time operation leave 1-2mm height
The ultra-pure water of degree；
The column jecket is sealed using sealing plug device.
The above method also has the characteristics that：
The water sample preparation process includes：Appropriate water body is taken, water sample to be measured is made；Or appropriate deposit is taken, by described in
Deposit is dried, grinds or crushed, sieving obtains solid phase sample, and the solid phase sample is fully extracted using chemical substance,
Extract is dissolved in ultra-pure water, water sample to be measured is made.
The above method also has the characteristics that：
Methods described also includes：Extraction operation is carried out to the output end of the valve by air draw-out device.
The above method also has the characteristics that：
The activator is organic solvent, including methanol, dichloromethane, acetone, the blocking device be sintered filter core or
Mineral wool.
The present invention can be conveniently accomplished the extraction of chemical substance in water sample using gravity principle, without electricity consumption, without making
Simple, convenient, practical, saving manpower, it is a kind of inexpensive and simple and feasible water sample chemical substance extraction dress with aspiration pump
Put.
Brief description of the drawings
The accompanying drawing for forming the part of the present invention is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate to be used to explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
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：
1st, tank；2nd, flexible pipe；3rd, current velocity controller；4th, column jecket；5th, valving；21st, plug-in type output end；
41st, sealing device；42nd, the first blocking device；43rd, the second blocking device；44th, resin；411st, seal rubber plug；412nd, lower cover；
413rd, upper lid；4121st, bearing；4122nd, switch；4131st, elongated projections.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.Need
Illustrate, in the case where not conflicting, the feature in embodiment and embodiment in the application can be mutually combined.
Fig. 1 is the structural representation of the extraction element of chemical substance in water sample in embodiment.As shown in figure 1, this extraction dress
Put including tank 1, flexible pipe 2, current velocity controller 3, column jecket 4, valving 5；
Current velocity controller 3 is fixed on the outside of flexible pipe 2, and one end of flexible pipe 2 has plug-in type output end 21, the entrance of column jecket
Place has sealing device 41, and the outlet of column jecket 4 is connected with valving closed 5；The He of the first blocking device 42 is included in column jecket 4
Second blocking device 43 and the resin 44 between the first blocking device 42 and the second blocking device 43.
In one embodiment, sealing device 41 is seal rubber plug.Fig. 2 is the structural representation of sealing device in another embodiment
Figure.It is T-shaped seal rubber plug 411 and is fixed on closed on seal rubber plug 411 as shown in Fig. 2 sealing device 41 includes section
Lid；The center of seal rubber plug 411 has first through hole；Closed cover includes lower cover 412 and upper lid 413, and lower cover 412 is close including being fixed on
The main part of the upper end of sealing plug 411, main part center have and first through hole diameter the second through hole of identical, the side of lower cover 412
There is the bearing 4121 for being cased with support spring with two protuberances, between two protuberances, switch 4122 is fixed with bearing,
The top of switch has denation, and the opposite side of main part with upper lid 413 with for being connected with through through hole
Projecting block；The side of upper lid 413 has two protuberances, and bearing, the projecting block of upper lid 412 are fixed between this two protuberances
Be rotatablely connected with this bearing, the center of upper lid 413 has cylindrical protrusion, the diameter of this cylindrical protrusion and first through hole it is straight
Footpath is identical；The opposite side of upper lid 413 has elongated projections 4131；When sealing device 41 is in closure state, the length of upper lid 413
Strip projection 4131 and the denation clamping being fixed with switch 4122 of lower cover.
Current velocity controller is ball-type valve gear, or, current velocity controller includes cell body, cell body have rectangular base plate,
Rectangle foreboard, rectangle back plate, two side plates；Chute is fixed between rectangle foreboard and rectangle back plate, slide bar is fixed with chute,
Pulley is fixed with slide bar, the corresponding through hole for being used for flexible pipe and passing through in position is respectively provided with rectangle foreboard and rectangle back plate, is led to
The one end in hole is located in the plane of rectangular base plate.
Valving includes liquid-in pipe, valve switch, the drain pipe being sequentially connected；The exit seal of liquid-in pipe and column jecket connects
Connect.
The water intake end of flexible pipe 2 is fixed with porous filter core.This porous filter core can filter the impurity in water sample to be measured, prevent gas
Bubble enters, and can also increase gravity makes the water intake end of flexible pipe be fixed on bottom of bottle.
The material of flexible pipe is polyvinyl chloride.
Fig. 3 is the flow chart for using the extracting method of chemical substance in water sample, is carried out using said extracted device in water sample
The method of the extraction of chemical substance includes：
Step 1, synchronously filling activation step is the step activated using activator to powdery resin in column jecket to resin
Suddenly；
Step 2, water sample preparation process；
Step 3, in water sample chemical substance extraction step：Water sample to be measured, fixed or placement are injected to the tank
The tank, the water intake end of the flexible pipe is positioned in the tank, institute is fixed on the top of the flexible pipe
Stating makes flexible pipe integrally in hang and the height of the column jecket is less than the height of the tank on tank, with
Difference in height is formed, valving is connected to plug-in type output end, opens valving, excludes the air in flexible pipe, makes water from inserting
Enter formula output end to flow out, when the sealing device on the column jecket is seal rubber plug, penetrated using the plug-in type output end of flexible pipe close
Sealing plug, the plug-in type output end of flexible pipe is stretched to inside column jecket；It is T-shaped that sealing device on the column jecket, which includes section,
Seal rubber plug and during the closed cover being fixed on seal rubber plug, opens closed cover, by the plug-in type output end of flexible pipe from described close
The through hole of sealing beyond the Great Wall is stretched into inside column jecket；Regulation current velocity controller causes water sample to be dripped by column jecket and by valving
Go out, after preset duration, extraction is completed.
Wherein, synchronously filling activation specifically includes the resin in step 1：
The resin of preset quality is weighed, the powdery resin is placed in glass container；Blocking device is placed in described
After glass container, cleaning agent is added, ultrasonic wave is carried out and cleans at least 20 minutes；
Perform operations described below at least once：Cleaning agent in the glass container is extracted backward in the glass container
New cleaning agent is added, ultrasonic bath is carried out to the glass container and is washed till 20 minutes less；
The cleaning agent in the glass container is extracted, powdery resin is obtained after the glass container is dried；
Blocking device is placed in the bottom of the column jecket of sky, in the bottom grafting valving of the column jecket；
Activator is injected into the column jecket, the powdery resin is added into the column jecket, knocking the column jecket makes
The powdery resin is divided equally scattered；
Blocking device is added at the top of the column jecket, the activator in the column jecket is discharged by the valving；
Column jecket progress ultrasonic bath is washed till the few 20 minutes bubbles removed in column jecket after the valving is closed；
The partial activation agents in the column jecket are discharged, leave the activator of 1-2mm height；
Perform at least twice will in the column jecket add ultra-pure water and discharge operation, every time operation leave 1-2mm height
The ultra-pure water of degree；
The column jecket is sealed using sealing plug device.
Water sample preparation process in step 2 includes：Appropriate water body is taken, water sample to be measured is made；Or appropriate deposit is taken,
The deposit is dried, ground or crushed, sieving obtains solid phase sample, the solid phase is fully extracted using chemical substance
Sample, extract is dissolved in ultra-pure water, water sample to be measured is made.
When the water rate of outflow in water sample in extraction element is slower, pressurized treatments can be carried out, i.e., are extracted by air
Device carries out extraction operation to the output end of valve, accelerates the water rate of outflow in water sample.
Activator used in this method is methanol, dichloromethane, acetone, and used blocking device is sintered filter core
Or mineral wool.
Although the consolidation degree after overactivation of the column jecket in the present invention is not so good as commercial product column jecket in the prior art,
The present invention can be conveniently accomplished the extraction of chemical substance in water sample using gravity principle, without electricity consumption, without using aspiration pump,
Simply, convenient, practical, saving manpower, is a kind of inexpensive and simple and feasible water sample chemical substance extraction element.
Descriptions above can combine implementation individually or in a variety of ways, and these variants all exist
Within protection scope of the present invention.
It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to non-row
His property includes, so that article or equipment including a series of elements not only include those key elements, but also including not
There is an other element being expressly recited, or also include for this article or the intrinsic key element of equipment.Do not limiting more
In the case of system, the key element that is limited by sentence " including ... ", it is not excluded that in the article including the key element or equipment
Other identical element also be present.
The above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, reference only to preferred embodiment to this hair
It is bright to be described in detail.It will be understood by those within the art that technical scheme can be modified
Or equivalent substitution, without departing from the spirit and scope of technical solution of the present invention, the claim model in the present invention all should be covered
Among enclosing.
Claims (4)
- A kind of 1. extraction element of chemical substance in water sample, it is characterised in that including：Tank (1), flexible pipe (2), flow velocity control Device (3) processed, column jecket (4), valving (5)；The current velocity controller (3) is fixed on the outside of the flexible pipe (2), and the water side of the flexible pipe (2) has plug-in type defeated Going out end (21), the water intake end of the flexible pipe (2) is fixed with porous filter core, and the porch of the column jecket has sealing device (41), The outlet of the column jecket (4) and the valving (5) airtight connection；The first blocking device is included in the column jecket (4) And the second blocking device (43) and between first blocking device (42) and second blocking device (43) (42) Resin (44)；The sealing device (41) includes section for T-shaped seal rubber plug (411) and is fixed on closed on seal rubber plug (411) Lid；Seal rubber plug (411) center has first through hole；The closed cover includes lower cover (412) and upper lid (413), described Lower cover (412) includes the main part for being fixed on the seal rubber plug (411) upper end, and the main part center has and described first The through hole of through-hole diameter identical second, lower cover (412) side have two protuberances, had between described two protuberances The bearing (4121) of support spring is cased with, is fixed with switch (4122) on the bearing, the top of the switch has triangle Projection, the opposite side of the main part with the upper lid (413) with for being connected with the projecting block through through hole；The side of the upper lid (413) has two protuberances, and bearing, the lower cover are fixed between this two protuberances (412) projecting block is rotatablely connected with this bearing, and the center of the upper lid (413) has cylindrical protrusion, this cylindrical protrusion Diameter it is identical with the diameter of the first through hole；The opposite side of the upper lid (413) has elongated projections (4131)；When the sealing device (41) is in closure state, the elongated projections (4131) of the upper lid (413) and the lower cover The denation clamping being fixed with switch (4122).
- 2. the extraction element of chemical substance in water sample as claimed in claim 1, it is characterised in that the current velocity controller bag Cell body is included, the cell body has rectangular base plate, rectangle foreboard, rectangle back plate, two side plates；The rectangle foreboard and the rectangle Chute is fixed between back plate, slide bar is fixed with the chute, pulley, the rectangle foreboard and institute are fixed with the slide bar State and the corresponding through hole for being used for the flexible pipe and passing through in position is respectively provided with rectangle back plate, one end of the through hole is located at the square In the plane of shape bottom plate.
- 3. the extraction element of chemical substance in water sample as claimed in claim 1, it is characterised in that the current velocity controller is Ball-type valve gear.
- 4. the extraction element of chemical substance in water sample as claimed in claim 1, it is characterised in that the blocking device is sintering Filter core or mineral wool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610512185.3A CN105954062B (en) | 2016-07-01 | 2016-07-01 | The extraction element and extracting method of chemical substance in a kind of water sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610512185.3A CN105954062B (en) | 2016-07-01 | 2016-07-01 | The extraction element and extracting method of chemical substance in a kind of water sample |
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| CN105954062A CN105954062A (en) | 2016-09-21 |
| CN105954062B true CN105954062B (en) | 2017-12-08 |
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| CN109723978B (en) * | 2019-01-10 | 2021-01-22 | 东华大学 | Pipeline leakage-proof measuring device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6394323B2 (en) * | 1999-08-24 | 2002-05-28 | Owens-Brockway Plastic Products Inc. | Dispenser package for fluent products and method of manufacture |
| CN2589367Y (en) * | 2002-11-18 | 2003-12-03 | 陈新华 | Leakproof water-absorbing bottle cap |
| CN2600357Y (en) * | 2002-12-31 | 2004-01-21 | 深圳丽星丰达塑料有限公司 | Anti-skid inserted type package pipe |
| CN101549217B (en) * | 2009-04-17 | 2014-05-28 | 天津博纳艾杰尔科技有限公司 | Medicament extracting device and method from body fluid example |
| CN201542945U (en) * | 2009-11-23 | 2010-08-11 | 陕西太阳阳科技有限公司 | Pinhole cover external buckling rubber combination bottle cap |
| CN102062711A (en) * | 2010-12-08 | 2011-05-18 | 济南市供排水监测中心 | Organic pollutant enriching device and method for pretreatment of water sample with bulk mass |
| CN103446778B (en) * | 2013-09-02 | 2015-03-04 | 浙江工业大学 | Ion exchange resin chromatography method and device without being promoted by external power |
| CN205157237U (en) * | 2015-10-21 | 2016-04-13 | 核工业北京化工冶金研究院 | Gather special sampling bottle that contains volatile materials , oxygen sensitivity material water sample |
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| CN105954062A (en) | 2016-09-21 |
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Inventor after: Zhang Yizhang Inventor after: Tang Changyuan Inventor after: Zheng Lei Inventor after: Ling Junhong Inventor before: Zhang Yizhang Inventor before: Tang Changyuan Inventor before: Fan Juntao Inventor before: Meng Wei Inventor before: Li Fadong |
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