CN106353168A - Solid-liquid separation equipment for detecting irradiation aquatic product derivative - Google Patents
Solid-liquid separation equipment for detecting irradiation aquatic product derivative Download PDFInfo
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- CN106353168A CN106353168A CN201610854345.2A CN201610854345A CN106353168A CN 106353168 A CN106353168 A CN 106353168A CN 201610854345 A CN201610854345 A CN 201610854345A CN 106353168 A CN106353168 A CN 106353168A
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- aquatic products
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- 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
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Abstract
The invention discloses solid-liquid separation equipment for detecting an irradiation aquatic product derivative, and aims at providing solid-liquid separation equipment for effectively solving the problems in a vacuumizing process that the sealing between a filter cartridge and a sealed box body is not good, external gas enters a vacuumized sealed cavity, and negative pressure in the sealed cavity is not enough, so that filtering treatment of a sample extracting solution is influenced. The solid-liquid separation equipment comprises a sealed box body, a placement sleeve body arranged on an outer top surface of the sealed box body, the filter cartridge which is inserted into the placement sleeve body, and a self-adaptive pre-tightening sealing mechanism and a filter cartridge jacking mechanism which are arranged in the sealed box body.
Description
Technical field
The present invention relates to irradiation aquatic products derivant detection field is and in particular to one kind is used for detecting that irradiation aquatic products derive
The solid-liquid separating equipment of thing.
Background technology
Currently for increasingly serious irradiation Safety of Aquatic Products sex chromosome mosaicism, gradually carry out irradiation aquatic products and derive analyte detection skill
Art research, the monitoring to irradiation aquatic products and irradiation comprehensively and systematically studying to aquatic products quality, lifting aquatic products peace
Full control, to ensure the quality safety of aquatic products.When irradiation aquatic products derive analyte detection, after the sample pre-treatments of aquatic products
The sample extracting solution of gained needs to carry out filtration treatment, and the liquid after filtration treatment just can carry out Instrumental Analysis.
Negative pressure filtration mode is the aquatic products sample extracting solution pretreatment in current irradiation aquatic products derivant detection process
A kind of mode adopting during filtration.Current this kind of negative pressure filtration device generally includes air pump, containment housing and cartridge filter, and
The top surface of containment housing arranges the placement through hole communicating with the inner chamber of containment housing, what cartridge filter can be taken off is plugged in placement
In through hole, and the bottom surface of cartridge filter is provided with filter membrane interlayer.Sample extracting solution is injected in cartridge filter by practical work process,
And evacuation is carried out to the inner chamber of seal case by air pump, so that the sample extracting solution in cartridge filter passes through filter membrane,
Obtain fluid sample to be checked.This kind of negative pressure filtration device during evacuation, in order to avoid place through hole and cartridge filter it
Between produce gas leakage it is common practice to directly arrange sealing ring between through hole and cartridge filter placing；But this sealing means
Sealing effectiveness is not often good, and in seal case inner chamber vacuum, the negative pressure with seal case inner chamber increases, and often holds
Easily place generation leakage problem between through hole and cartridge filter, lead to ambient atmos to enter seal case inner chamber, impact sample carries
Take the filtration treatment of liquid.On the other hand, in actual use, because cartridge filter needs often to take out cleaning and dress sample, make
The sealing ring between through hole and cartridge filter must be placed easily loosen, produce gap, this also results in extraneous in vacuum
Gas enters seal case inner chamber, the problem of the filtration treatment of impact sample extracting solution.
Content of the invention
The invention aims to overcoming the deficiencies in the prior art, provide one kind can effectively solving in evacuation
During because of the poor sealing between cartridge filter and seal case, and the ambient atmos occurring enter the airtight cavity of evacuation
Interior, lead to negative pressure in airtight cavity not enough, the problem of filtration treatment of impact sample extracting solution for detecting irradiation Aquatic product
The solid-liquid separating equipment of product derivant.
The technical scheme is that
A kind of solid-liquid separating equipment for detecting irradiation aquatic products derivant includes seal case, is arranged on top outside seal case
On face place body, the cartridge filter being plugged in housing sleeve body, the self adaptation pretension sealing mechanism being arranged in seal case and
Cartridge filter jacking mechanism, the medial surface of the inner chamber of described seal case is provided with first being communicated with seal case lateral surface and connects
Mouth, the described axis vertical setting placing body, place the upper and lower ends opening of body, the bottom placing body is gone up without leave for interior
And under the conical sleeve that is gradually reduced, the lower ending opening placing body communicated with the inner chamber of seal case, the inner side of described conical sleeve
Face is provided with the first sealing ring；Described cartridge filter includes cylinder, middle tapered sleeve and lower cylinder, described upper cylinder from top to bottom successively
Internal diameter be more than the internal diameter of lower cylinder, the lateral surface of described upper cylinder is provided with the second sealing ring, from upper in described lower cylinder
Under be sequentially provided with filter membrane interlayer, the first dividing plate and second partition, on described lower cylinder and be located at filter membrane interlayer and first every
It is provided between plate and pick and place mouth；The vertical cylinder on inner bottom surface that described self adaptation pretension sealing mechanism includes be arranged on seal case
Body, the piston body being arranged in vertical cylinder body and piston rod, on described vertical cylinder body medial surface and be located at piston body above be provided with
Upper limit position block, the lateral surface of vertical cylinder body is provided with second interface and balance through hole, and second interface is located above upper limit position block,
Balance through hole is located at below piston body, is tightly connected by the first pipeline, described work between described second interface and first interface
It is provided with back-moving spring, the upper end of described piston rod is provided with the connecting rod radially extending, institute between cock body and vertical cylinder body inner bottom surface
State second partition and be provided with piston rod and cross mouth, piston rod crosses the surface that mouth is located at piston rod, and the edge that piston rod crosses mouth is provided with
The connecting rod corresponding with connecting rod crosses mouth；Described cartridge filter jacking mechanism includes being arranged on the vertical of the interior intracavity of containment housing
Guide rod, the jacking flat board being slidably arranged on vertical guide rod along vertical guide rod, it is arranged on vertical guide rod lateral surface and is located at top
Rise the block below flat board and be set in vertical guide rod the compression spring being located between jacking flat board and block, described jacking is put down
Plate is provided with lower cylinder and crosses mouth, and the lateral surface of described lower cylinder is provided with cylinder limited block.
Cartridge filter not only can be taken out dress by the solid-liquid separating equipment for detecting irradiation aquatic products derivant of this programme
Sample or cleaning, and can effectively solving in vacuum because of the poor sealing between cartridge filter and seal case, and occur
Ambient atmos enter in the airtight cavity of evacuation, lead to negative pressure in airtight cavity not enough, the mistake of impact sample extracting solution
The problem that filter is processed.
Preferably, also including vaccum-pumping equipment, described seal case lateral surface is provided with and is connected with seal case inner chamber
Logical negative pressure-pumping mouth, is tightly connected by second pipe between vaccum-pumping equipment and negative pressure-pumping mouth.
Preferably, being additionally provided with conical hopper in lower cylinder, conical hopper is located between filter membrane interlayer and the first dividing plate,
The top edge of conical hopper is tightly connected with the medial surface of lower cylinder, described pick and place mouth be located at conical hopper and the first dividing plate it
Between.
Preferably, the filtrate storage container of upper end open, the upper end of filtrate storage container are additionally provided with the first dividing plate
Opening.
Preferably, being provided with lower position block on vertical cylinder body medial surface and below piston body, described balance through hole position
Lower section in lower position block.
Preferably, seal case lateral surface is provided with the 3rd interface with the intracavity inter-connection of seal case, and the 3rd
Interface is provided with controlled valve.
Preferably, it is circular hole that lower cylinder crosses mouth, lower cylinder crosses axis and the dead in line placing body, the lower cylinder of mouth
The internal diameter crossing mouth is more than the external diameter of lower cylinder.
Preferably, the vertical upper end of guide rod is connected with the inner top surface of containment housing.
Preferably, the setting of jacking flatbed horizontal.
Preferably, jacking flat board is provided with the guide pin bushing with the cooperation of vertical guide rod.
The invention has the beneficial effects as follows: cartridge filter not only can be taken out dress sample or cleaning, and can effectively solving take out
Because of the poor sealing between cartridge filter and seal case in vacuum process, and the ambient atmos occurring enter the closed chamber of evacuation
In vivo, lead to the negative pressure in airtight cavity not enough, the problem of the filtration treatment of impact sample extracting solution.
Brief description
Fig. 1 is a kind of structural representation of the solid-liquid separating equipment for detecting irradiation aquatic products derivant of the present invention.
Fig. 2 is the cross-sectional view at a-a in Fig. 1.
In figure: seal case 1, the 3rd interface 11, controlled valve 12, negative pressure-pumping mouth 13, first interface 14, the first pipeline
15, place body 2, conical sleeve 21, the first sealing ring 22, cartridge filter 3, upper cylinder 31, the second sealing ring 32, middle tapered sleeve 33, mistake
Filter membrane interlayer 34, lower cylinder 35, conical hopper 36, pick and place mouth 37, the first dividing plate 38, second partition 39, piston rod cross mouth 310,
Connecting rod crosses mouth 311, filtrate storage container 4, self adaptation pretension sealing mechanism 5, vertical cylinder body 51, piston rod 52, upper limit position block
53rd, piston body 54, back-moving spring 55, lower position block 56, balance through hole 57, connecting rod 58, second interface 59, cartridge filter jack-up machine
Structure 6, cylinder limited block 61, vertical guide rod 62, jacking flat board 63, compression spring 64, block 65.
Specific embodiment
With specific embodiment, the present invention is described in further detail below in conjunction with the accompanying drawings:
As shown in figure 1, a kind of solid-liquid separating equipment for detecting irradiation aquatic products derivant includes vaccum-pumping equipment, seal box
Body 1, the negative pressure-pumping mouth 13 being arranged on seal case lateral surface, be arranged on the outer top surface of seal case and close with seal case
What envelope connected places body 2, the cartridge filter 3 being plugged in housing sleeve body, the pre- tightening seal of self adaptation being arranged in seal case
Mechanism 5 and cartridge filter jacking mechanism 6.Negative pressure-pumping mouth and the intracavity inter-connection of seal case.The vaccum-pumping equipment of the present embodiment
For air pump.It is tightly connected by second pipe between vaccum-pumping equipment and negative pressure-pumping mouth.
The medial surface of the inner chamber of seal case is provided with the first interface 14 communicating with seal case lateral surface.Seal case
Lateral surface is provided with the 3rd interface 11 with the intracavity inter-connection of seal case, and the 3rd interface is provided with controlled valve 12.This
The controlled valve of embodiment is hand switch valve or electromagnetic switch valve.
Place the axis vertical setting of body.Place the upper and lower ends opening of body.The upper end open placing body is located at
The top of the outer top surface of seal case.The lower ending opening placing body is positioned at the lower section of the outer top surface of seal case.Place body
Lateral surface be tightly connected with the top surface of seal case.Place the conical sleeve that the bottom of body is gradually reduced from top to bottom for internal diameter
21.The lower ending opening placing body is communicated with the inner chamber of seal case.The medial surface of conical sleeve is provided with the first sealing ring 22.Circle
The medial surface of tapered sleeve is provided with annular mounting groove, and the first sealing ring is arranged on annular mounting groove.
Cartridge filter includes cylinder 31, middle tapered sleeve 33 and lower cylinder 35 from top to bottom successively.The external diameter of upper cylinder is less than and puts
Put the internal diameter of body.The internal diameter of upper cylinder is more than the internal diameter of lower cylinder.The internal diameter of middle tapered sleeve is gradually reduced from top to bottom.Conical sleeve
The taper of medial surface identical with the taper of the lateral surface of middle tapered sleeve.The lateral surface of upper cylinder is provided with the second sealing ring 32.The
Two sealing rings are located at upper cylinder and place between body.First sealing ring is located between conical sleeve and middle tapered sleeve.
It is sequentially provided with filter membrane interlayer 34, the first dividing plate 38 and second partition 39 from top to bottom in lower cylinder.Second partition
Lower end positioned at lower cylinder.Filter membrane interlayer is near the upper end of lower cylinder.It is additionally provided with conical hopper 36, conical hopper in lower cylinder
Between filter membrane interlayer and the first dividing plate.The top edge of conical hopper is tightly connected with the medial surface of lower cylinder.Lower cylinder
Go up and be located at be provided between filter membrane interlayer and the first dividing plate run through the inside and outside side of lower cylinder pick and place mouth 37, the present embodiment
Pick and place mouth to be located between conical hopper and the first dividing plate.The filtrate storage container 4 of upper end open is additionally provided with the first dividing plate.Filter
The upper end open of liquid storage container.Filtrate storage container can be introduced/taken out by picking and placeing mouth.
The vertical cylinder body 51 on inner bottom surface that self adaptation pretension sealing mechanism includes be arranged on seal case, it is arranged on vertically
Piston body 54 in cylinder body and piston rod 52, and the upper end of piston rod is located at the top of vertical cylinder body.The lower end of piston rod and work
Cock body is connected.Piston rod is vertically arranged.Vertically it is provided with upper limit position block 53 on cylinder body medial surface and above piston body.Vertically
On cylinder body medial surface and be located at piston body below be provided with lower position block 56.Vertically the lateral surface of cylinder body is provided with vertical cylinder body even
Logical second interface 59 and balance through hole 57.Second interface is located above upper limit position block.Logical between second interface and first interface
Cross the first pipeline 15 to be tightly connected, the first pipeline is located in seal case.Balance through hole is located at below piston body, the present embodiment
Balance through hole is located at the lower section of lower position block.It is provided with back-moving spring 55 between piston body and vertical cylinder body inner bottom surface.
As shown in Figure 1 and Figure 2, the upper end of piston rod is provided with the connecting rod 58 radially extending.Second partition is provided with piston rod
Cross mouth 310.It is circular hole that piston rod crosses mouth, and piston rod crosses the external diameter more than piston rod for the internal diameter of mouth.Piston rod is crossed mouth and is located at piston
The surface of bar.The edge that piston rod crosses mouth is provided with the connecting rod corresponding with connecting rod and crosses mouth 311.
Cartridge filter jacking mechanism includes being arranged on the vertical guide rod 62 of the interior intracavity of containment housing, sets along the slip of vertical guide rod
Put the jacking flat board 63 on vertical guide rod, be arranged on vertical guide rod lateral surface and be located at jacking flat board below block 65 and
It is set in vertical guide rod and be located at the compression spring 64 between jacking flat board and block.The vertically upper end of guide rod and containment housing
Inner top surface is connected.Jacking flatbed horizontal is arranged.Jacking flat board is provided with the guide pin bushing with the cooperation of vertical guide rod.Compression spring upper
End is resisted against on jacking flat board, and lower end is resisted against on block.Jacking flat board is provided with lower cylinder and crosses mouth.It is circle that lower cylinder crosses mouth
Hole, lower cylinder crosses the axis of mouth and the dead in line placing body, and lower cylinder crosses the external diameter more than lower cylinder for the internal diameter of mouth.Lower circle
The lateral surface of cylinder is provided with cylinder limited block 61, and cylinder limited block is located at the top picking and placeing mouth.
The solid-liquid separating equipment for detecting irradiation aquatic products derivant of the present embodiment specifically used as follows:
First, cartridge filter is inserted and places body, mouth is crossed through lower cylinder in the lower end of the lower cylinder of cartridge filter in this process,
Cylinder limited block is resisted against on jacking flat board, and jacking flat board is pushed；Then, connecting rod crosses mouth position through corresponding connecting rod
Top in second partition；Then, cartridge filter is ratated 90 degrees, make connecting rod and connecting rod cross mouth and stagger, as shown in Figure 2.
Second, sample extracting solution to be filtered is placed in cartridge filter, and controlled valve is closed.
3rd, open vaccum-pumping equipment and evacuation is carried out to the inner chamber of seal case；
During evacuation: because the vertical inner chamber of cylinder block above piston body passes through first interface, the first pipeline and second
Interface is connected with outside air, and the vertical inner chamber of cylinder block below piston body passes through to balance through hole and the inner chamber of seal case connects
Logical, thus the air pressure of the vertical inner chamber of cylinder block below piston body in vacuum reduces, and so that piston body is driven under piston rod
Move, and pass through connecting rod by whole cartridge filter toward drop-down, so that the lateral surface of middle tapered sleeve is pressed on the first sealing ring, and
Negative pressure with seal case inner chamber increases, and the pressure that middle tapered sleeve is pressed on the first sealing ring is also bigger, and then bores in guarantee
Formed between set and conical sleeve and be reliably tightly connected it is ensured that placing being tightly connected between body and cartridge filter, can effectively solve
Certainly because of the poor sealing between cartridge filter and seal case in vacuum, and the ambient atmos occurring enter evacuation
In airtight cavity, lead to the negative pressure in airtight cavity not enough, the problem of the filtration treatment of impact sample extracting solution.
Meanwhile, during evacuation, the sample extracting solution to be filtered in cartridge filter passes through filter membrane interlayer, cocurrent
Enter in filtrate storage container.
4th, after the completion of the sample extracting solution to be filtered in cylinder to be filtered filters, vaccum-pumping equipment is closed, and opens
Controlled valve so that piston body in the presence of back-moving spring on move reset；Then, cartridge filter is ratated 90 degrees, make connection
Bar and connecting rod are crossed mouth and are aligned；Followed by, in the presence of compression spring, jacking flat board by cartridge filter jack-up, make cartridge filter with
First sealing ring separates, and facilitates operator to take off cartridge filter；Finally, by cartridge filter and filtrate storage container thereon together by
Place and take off on body.
Claims (10)
1. a kind of solid-liquid separating equipment for detecting irradiation aquatic products derivant, is characterized in that, including seal case, be arranged on
Place on the outer top surface of seal case body, the cartridge filter being plugged in housing sleeve body, be arranged in seal case self adaptation pre-
Closely sealing mechanism and cartridge filter jacking mechanism, the medial surface of the inner chamber of described seal case is provided with and seal case lateral surface phase
Logical first interface,
Described place body axis vertical setting, place body upper and lower ends opening, place body bottom be interior without leave
Upper and under the conical sleeve that is gradually reduced, the lower ending opening placing body communicated with the inner chamber of seal case, described conical sleeve interior
Side is provided with the first sealing ring；
Described cartridge filter includes cylinder, middle tapered sleeve and lower cylinder from top to bottom successively, and the internal diameter of described upper cylinder is more than lower circle
The internal diameter of cylinder, the lateral surface of described upper cylinder is provided with the second sealing ring, is sequentially provided with filtration from top to bottom in described lower cylinder
Film interlayer, the first dividing plate and second partition, pick and place on described lower cylinder and positioned at being provided between filter membrane interlayer and the first dividing plate
Mouthful；
The vertical cylinder body on inner bottom surface that described self adaptation pretension sealing mechanism includes be arranged on seal case, it is arranged on vertical cylinder
Internal piston body and piston rod, on described vertical cylinder body medial surface and be located at piston body above be provided with upper limit position block, vertical cylinder
The lateral surface of body is provided with second interface and balance through hole, and second interface is located above upper limit position block, and balance through hole is located at lives
Below cock body, it is tightly connected by the first pipeline between described second interface and first interface, described piston body and vertical cylinder body
It is provided with back-moving spring, the upper end of described piston rod is provided with the connecting rod radially extending, and described second partition sets between inner bottom surface
Have piston rod to cross mouth, piston rod cross mouth be located at piston rod surface, piston rod cross mouth edge be provided with corresponding with connecting rod
Connecting rod cross mouth；
Described cartridge filter jacking mechanism includes being arranged on the vertical guide rod of the interior intracavity of containment housing, setting of sliding along vertical guide rod
The jacking flat board on vertical guide rod, be arranged on vertical guide rod lateral surface and be located at jacking flat board below block and be set in
Vertically guide rod positioned at the compression spring between jacking flat board and block, described jacking flat board is provided with lower cylinder and crosses mouth, described
The lateral surface of lower cylinder is provided with cylinder limited block.
2. the solid-liquid separating equipment for detecting irradiation aquatic products derivant according to claim 1, is characterized in that, also wrap
Include vaccum-pumping equipment, described seal case lateral surface is provided with the negative pressure-pumping mouth with seal case intracavity inter-connection, evacuation
It is tightly connected by second pipe between equipment and negative pressure-pumping mouth.
3. the solid-liquid separating equipment for detecting irradiation aquatic products derivant according to claim 1, is characterized in that, described
It is additionally provided with conical hopper, conical hopper is located between filter membrane interlayer and the first dividing plate, the top edge of conical hopper in lower cylinder
It is tightly connected with the medial surface of lower cylinder, the described mouth that picks and places is located between conical hopper and the first dividing plate.
4. the solid-liquid separating equipment for detecting irradiation aquatic products derivant according to claim 1, is characterized in that, described
The filtrate storage container of upper end open, the upper end open of filtrate storage container are additionally provided with the first dividing plate.
5. the solid-liquid separating equipment for detecting irradiation aquatic products derivant according to claim 1, is characterized in that, described
Vertically on cylinder body medial surface and be located at and be provided with lower position block below piston body, described balance through hole is positioned at the lower section of lower position block.
6. the solid-liquid separating equipment for detecting irradiation aquatic products derivant according to claim 1, is characterized in that, described
Seal case lateral surface is provided with the 3rd interface with the intracavity inter-connection of seal case, and the 3rd interface is provided with switch valve
Door.
7. the solid-liquid separating equipment for detecting irradiation aquatic products derivant according to claim 1, is characterized in that, described
It is circular hole that lower cylinder crosses mouth, and lower cylinder crosses the axis of mouth and the dead in line placing body, under the internal diameter that lower cylinder crosses mouth is more than
The external diameter of cylinder.
8. the solid-liquid separating equipment for detecting irradiation aquatic products derivant according to claim 1, is characterized in that, described
Vertically the upper end of guide rod is connected with the inner top surface of containment housing.
9. the solid-liquid separating equipment for detecting irradiation aquatic products derivant according to claim 1, is characterized in that, described
Jacking flatbed horizontal is arranged.
10. the solid-liquid separating equipment for detecting irradiation aquatic products derivant according to claim 1, is characterized in that, institute
State jacking flat board and be provided with the guide pin bushing with the cooperation of vertical guide rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610854345.2A CN106353168B (en) | 2016-09-27 | 2016-09-27 | For detecting the solid-liquid separating equipment of irradiation aquatic products derivative |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610854345.2A CN106353168B (en) | 2016-09-27 | 2016-09-27 | For detecting the solid-liquid separating equipment of irradiation aquatic products derivative |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106353168A true CN106353168A (en) | 2017-01-25 |
| CN106353168B CN106353168B (en) | 2019-01-25 |
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ID=57858466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610854345.2A Active CN106353168B (en) | 2016-09-27 | 2016-09-27 | For detecting the solid-liquid separating equipment of irradiation aquatic products derivative |
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| Country | Link |
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| CN (1) | CN106353168B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106834085A (en) * | 2017-02-08 | 2017-06-13 | 浙江省海洋水产研究所 | A kind of Fish protein extraction equipment |
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| CN106353168B (en) | 2019-01-25 |
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