CN105092293A - Plant trunk surface particulate matter sampling device and particulate matter adsorption quantity measuring method - Google Patents
Plant trunk surface particulate matter sampling device and particulate matter adsorption quantity measuring method Download PDFInfo
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- CN105092293A CN105092293A CN201510494007.8A CN201510494007A CN105092293A CN 105092293 A CN105092293 A CN 105092293A CN 201510494007 A CN201510494007 A CN 201510494007A CN 105092293 A CN105092293 A CN 105092293A
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Abstract
The invention relates to the technical field of measuring of particulate matter adsorption quantity of plants, in particular to a plant trunk surface particulate matter sampling device and a particulate matter adsorption quantity measuring method. The plant trunk surface particulate matter sampling device comprises a guide pipe, a sampling bottle, a scrubbing brush, a washing bottle with ultrapure water, adhesive tape arranged on a tree trunk and sealing cement gum. The sealing cement gum and the first adhesive tape enclose a sampling surface with the periphery being sealed, and a suspension liquid collection region is formed above the sealing cerement gum. A plastic thin film is laid on the upper surface of the sealing cement gum, and the guide pipe penetrates through the sealing cement gum and the plastic thin film to be communicated with the sampling bottle and the collection region. The scrubbing brush and the washing bottle are used for scrubbing the sampling surface. By means of the plant trunk surface particulate matter sampling device and the particulate matter adsorption quantity measuring method, the particulate matter adsorption quantity on the surface of the tree trunk in unit area can be effectively measured, the loss generated in the particulate matter sampling process is reduced to the maximum degree, and the measuring accuracy is guaranteed.
Description
Technical field
The present invention relates to the field of measuring technique of plant to particle adsorbance, particularly relate to a Plants trunk surface particles sampling device and particle adsorbance assay method.
Background technology
At present for improving air quality, increasing green coverage is an Important Action.The particle that plant can suspend in absorbed air, thus the research of plant to the adsorptive power of particle has also been caused, but at present mainly to the research of plant leaf blade adsorptive power, not yet find that there is limb part about plant for the research of particle adsorptive power.Domestic at present for research mainly bark tissue absorption heavy metal and the pollutant of diseases on plant stalk part, the suspended particulate substance of effects on surface retardance is studied.And the effect of limb surface deposition particle in fact more should be paid attention to, the effect of laying the dust of the rear plant of fallen leaves in winter mainly affects by it.Limb has the roughness larger than blade usually, can be good at the gatherer as particle sedimentation.
The skeletal structures of plant can block with blade is the same and adsorbs suspended particulate substance, takes away particle, upgrade its accumulation ability by Rainfall simulator erosion.Plant leaf segments takes the method for direct sample usually, but the trunk part of plant should not adopt the method for similar blade direct sample, and the direct bark sampling easily more surface deposition particle of loss, is difficult to measurement.
Summary of the invention
(1) technical matters that will solve
The object of this invention is to provide a kind of method measuring plant trunk surface particle adsorbance, quantification determination unit area endoparticle thing adsorbance.
(2) technical scheme
In order to solve the problems of the technologies described above, the invention provides a Plants trunk surface particles sampling device, comprise conduit, sampling bottle, scrubbing brush, the wash bottle that ultrapure water is housed, the adhesive tape being located at trunk and lute in, described lute in is that bulk is pasted on described trunk surface, described first adhesive tape is located in the trunk surface above described lute in, surround the sampling surface of an all round closure between described lute in and the first adhesive tape, the top of described lute in forms the collecting zone for collecting suspending liquid; The upper end of described conduit is run through described lute in and is communicated with described collecting zone, and described sampling bottle is inserted in the lower end of described conduit, and the upper surface of described conduit is concordant with the upper surface of the lute in residing for it; The upper surface of described lute in is equipped with plastic sheeting, and described plastic sheeting is provided with the through hole passed for described conduit; Described scrubbing brush and wash bottle are used for scrubbing described sampling surface.
Wherein, described sampling surface is del, and the upper surface of described lute in is in middle low-lying arcwall face, and described conduit is positioned at the lowest part of the upper surface of described lute in.
Wherein, be preferably coated with the second adhesive tape higher than described lute in top layer outside described lute in, described plastic sheeting is erected on the upper surface of described second adhesive tape and described lute in.
Wherein, described trunk surface and described lute in seam crossing preferably scribble glass cement.
Present invention also offers a Plants trunk surface particle adsorbance assay method, comprise the following steps,
S1, provides one for the filter membrane of filtering suspension liquid, and is weighed by filter membrane;
S2, utilizes the particle of above-mentioned plant trunk surface particles sampling device to plant trunk sampling surface to carry out sampling and obtains suspending liquid;
S3, the suspending liquid obtained by step S2 uses filter membrane to filter;
S4, is undertaken drying and weighing by the filter membrane after filtering;
S5, calculate survey the particle density of trunk surface.
Preferably, before weighing the filter membrane before filtration and after filtering all is positioned over balance room and balances 24 hours.
Particularly, described step S3 specifically comprises the following steps,
S31, prepares a set of Suction filtration device, takes off filter cup, is placed on by filter membrane on filter funnel pedestal;
S32, fallen down by the mesh screen above the suspending liquid inherent filtration cup in step S2, first filter out the impurity that particle diameter is greater than mesh screen aperture, then suspending liquid is further by filter membrane, and the particle in suspending liquid is adsorbed on filter membrane surface.
Particularly, in described step S5, the particle density of trunk surface is the area of the weight difference before and after membrane filtration divided by the sampling surface scrubbed.
(3) beneficial effect
Technique scheme of the present invention compared with prior art tool has the following advantages: a Plants trunk surface particles sampling device provided by the invention and plant trunk surface particle adsorbance assay method can be used for the particle adsorbance of trunk surface in effective analytical unit area, loss in maximum minimizing particle sampling process, guarantees the accuracy measured.Measurement for plant trunk surface particle adsorbance can provide important foundation for the design of urban afforestation.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment of the present invention plant trunk surface particles sampling device;
Fig. 2 is the diagrammatic cross-section of embodiment of the present invention plant trunk surface particles sampling device;
Fig. 3 is the schematic diagram of embodiment of the present invention Suction filtration device.
In figure: 1: scrubbing brush; 2: wash bottle; 3: the first adhesive tapes; 4: plastic sheeting; 5: lute in; 6: the second adhesive tapes; 7: sampling bottle; 8: conduit; 11: mesh screen; 12: filter cup; 13: filter funnel pedestal; 14: conical flask; 15: suction filter pump machine.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of protection of the invention.
As depicted in figs. 1 and 2, the Plants trunk surface particles sampling device that the embodiment of the present invention provides, comprise conduit 8, sampling bottle 7, scrubbing brush 1, the wash bottle 2 that ultrapure water is housed, the adhesive tape 3 being located at trunk and lute in 5, lute in 5 is pasted on trunk surface in bulk, first adhesive tape is located in the trunk surface above lute in 5, lute in 5 and the first adhesive tape 3 surround the sampling surface of an all round closure, and the top of lute in 5 forms the collecting zone for collecting suspending liquid; The upper end of conduit 8 is run through lute in 5 and is communicated with collecting zone, and sampling bottle 7 is inserted in the lower end of conduit 8, and the upper surface of conduit 8 is concordant with the upper surface of the lute in 5 residing for it; The upper surface of lute in 5 is equipped with plastic sheeting 4, and the upper surface of plastic sheeting 4 is provided with the through hole passed for conduit 8; Scrubbing brush 1 and wash bottle 2 are for scrubbing the trunk surface on sampling surface.Sampling bottle 7 is for receiving the suspending liquid scrubbed trunk surface and obtain.Scrubbing brush 1 preferably use does not fall hair plates brush, avoids scrubbing brush in the process of scrubbing to fall hair and is mixed in suspending liquid.In the present embodiment, lute in 5 and the first adhesive tape 3 are fixed on trunk surface and form a sampling surface, the size on sampling surface is preferably 5-10cm
2, conduit 8 runs through the plastic sheeting 4 above lute in 5 and lute in 5, has been communicated with collecting zone and sampling bottle 7, lays plastic sheeting 4 particle can be avoided to be detained lute in 5 surface above lute in 5.Scrub the trunk surface on sampling surface with scrubbing brush 1 and wash bottle 2, scrub the suspending liquid that trunk surface obtains and collect in sampling bottle 7.Adopt this device to sample the loss that can reduce trunk surface particle to greatest extent, the particle adsorbance being convenient to measurement trunk surface also can according to the particle density of particle adsorbance with the areal calculation unit area trunk surface on sampling surface.
Preferably, sampling surface is del, as the delta-shaped region that dotted line in Fig. 1 and the first adhesive tape 3 are formed, the upper surface of lute in 5 is in middle low-lying arcwall face, conduit 8 is positioned at the lowest part of the upper surface of lute in 5, namely the most recess of arcwall face, is convenient to the current inflow catheter from top to bottom washed away.Adopt the sampling of del surface to be conducive to the measurements and calculations of sampling surface area, and the earial drainage that the lowest part that conduit 8 is installed on the upper surface of lute in 5 can make suspending liquid convenient is in sampling bottle 7.Conduit 8 is preferably silica gel catheter, and silica gel catheter is corrosion-resistant, and inside surface is smooth, and suspending liquid is not easily trapped in conduit 8 surface, and non-friable.
Preferably, be coated with the second adhesive tape 6 higher than lute in 5 top layer outside lute in 5, plastic sheeting 4 is erected on the upper surface of the second adhesive tape 6 outside lute in 5 and lute in 5.The second adhesive tape 6 coated outside lute in 5 can aluminium foil belt, and the hardness of aluminum foil and adhesive tape is comparatively large, flow impact resistant.In the outside of lute in 5, coated the second adhesive tape 6 higher than lute in 5 top layer can stop that the suspending liquid in the process of scrubbing leaks outside, and makes the whole inflow catheter 8 of suspending liquid.
Preferably, trunk surface and lute in 5 seam crossing scribble glass cement.Smear at lute in 5 and the seam crossing of bark the effect that glass cement can play fixing seal clay 5 on the one hand, also can play the effect avoiding suspending liquid to run off at the seam crossing of trunk surface and lute in 5 on the other hand.
Present invention also offers a Plants trunk surface particle adsorbance assay method, comprise the following steps,
S1, provides one for the filter membrane of filtering suspension liquid, and is weighed by filter membrane; Particularly, the present embodiment filter membrane can select the hydrophilic microporous filter membrane in 0.45 μm of aperture, the particle adopting this filter membrane can obtain diameter to be greater than 0.45 μm.
S2, utilizes the particle of above-mentioned plant trunk surface particles sampling device to plant trunk sampling surface to carry out sampling and obtains suspending liquid; Particularly, sampling surface is preferably del, is 9.1cm through survey calculation triangle area S
2, use during plant trunk surface particles sampling device and lute in 5 and trunk surface seam crossing suitably can be polished and then be coated with glass cement, so can improve the sealing effectiveness of glass cement.
S3, the suspending liquid obtained by step S2 uses filter membrane to filter; Particularly, can comprise the following steps: S31, prepare a set of Suction filtration device as shown in Figure 3, take off filter cup 12, filter membrane is placed on filter funnel pedestal 13; S32, open suction filter pump machine 15, mesh screen 11 above suspending liquid inherent filtration cup 12 in step S2 is fallen down, first the impurity that particle diameter is greater than mesh screen 11 aperture is filtered out, then suspending liquid is further by filter membrane, particle in suspending liquid is adsorbed on filter membrane surface, and the suspending liquid after filtration flows in conical flask 14.The present embodiment selects aperture to be that the mesh screen 11 of 100 μm can filter out the larger impurity of particle diameter, guarantees the accuracy that particle is measured.
S4, is undertaken drying and weighing by the filter membrane after filtering; Preferably adopt during oven dry in an oven 60 DEG C dry 30 minutes.Particularly, before weighing the filter membrane before filtration and after filtering all is positioned over balance room and balances 24 hours to guarantee that filter membrane is consistent with the temperature and humidity of balance room, to ensure the accuracy that particle adsorbance is measured.Mass M before the membrane filtration that the present embodiment is used is 0.01789g, and the quality m after membrane filtration is 0.03454g.
S5, calculate survey the particle density (i.e. trunk surface particle adsorbance in unit area) of trunk surface; Particularly, the particle density Q of trunk surface is the area of the weight difference before and after membrane filtration divided by the sampling surface scrubbed, i.e. Q=(m-M)/S=1829.67 μ g/cm
2.
To sum up, a Plants trunk surface particles sampling device provided by the invention and plant trunk surface particle adsorbance assay method can be used for the particle adsorbance of trunk surface in effective analytical unit area, loss in maximum minimizing particle sampling process, guarantees the accuracy measured.Measurement for plant trunk surface particle adsorbance can provide important foundation for the design of urban afforestation.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (8)
1. a Plants trunk surface particles sampling device, is characterized in that: comprise conduit (8), sampling bottle (7), scrubbing brush (1), the wash bottle (2) that ultrapure water is housed, the first adhesive tape (3) being located at trunk and lute in (5);
Described lute in (5) is pasted on described trunk surface in bulk, described first adhesive tape (3) is located in the trunk surface of described lute in (5) top, surround the sampling surface of an all round closure between described lute in (5) and the first adhesive tape (3), the top of described lute in (5) forms the collecting zone for collecting suspending liquid;
The upper end of described conduit (8) is run through described lute in (5) and is communicated with described collecting zone, described sampling bottle (7) is inserted in the lower end of described conduit (8), and the upper surface of described conduit (8) is concordant with the upper surface of the lute in (5) residing for it;
The upper surface of described lute in (5) is equipped with plastic sheeting (4), and described plastic sheeting (4) is provided with the through hole passed for described conduit (8);
Described scrubbing brush (1) and wash bottle (2) are for scrubbing described sampling surface.
2. plant trunk surface particles sampling device according to claim 1, it is characterized in that: described sampling surface is del, the upper surface of described lute in (5) is in middle low-lying arcwall face, and described conduit (8) is positioned at the lowest part of the upper surface of described lute in (5).
3. plant trunk surface particles sampling device according to claim 1, it is characterized in that: described lute in (5) outside is coated with the second adhesive tape (6) higher than described lute in top layer, and described plastic sheeting (4) is erected on the upper surface of described second adhesive tape (6) and described lute in (5).
4. plant trunk settling particulate matter sampler according to claim 1, is characterized in that: described trunk surface and described lute in (5) seam crossing scribble glass cement.
5. a Plants trunk surface particle adsorbance assay method, is characterized in that, comprise the following steps:
S1, provides one for the filter membrane of filtering suspension liquid, and is weighed by described filter membrane;
S2, utilizes the particle of the plant trunk surface particles sampling device as described in any one of claim 1-4 to plant trunk sampling surface to carry out sampling and obtains suspending liquid;
S3, the suspending liquid obtained by step S2 uses filter membrane to filter;
S4, is undertaken drying and weighing by the filter membrane after filtering;
S5, calculate survey the particle density of trunk surface.
6. plant trunk surface particle adsorbance assay method according to claim 5, is characterized in that: before weighing the filter membrane before filtration and after filtering all is positioned over balance room and balances 24 hours.
7. plant trunk surface particle adsorbance assay method according to claim 5, it is characterized in that, described step S3 specifically comprises the following steps:
S31, prepares a set of Suction filtration device, takes off filter cup (12), is placed on by filter membrane on filter funnel pedestal (13);
S32, the mesh screen (11) of suspending liquid inherent filtration cup (12) top in step S2 is fallen down, first filter out the impurity that particle diameter is greater than mesh screen (11) aperture, then suspending liquid is further by filter membrane, and the particle in suspending liquid is adsorbed on filter membrane surface.
8. plant trunk surface particle adsorbance assay method according to claim 5, is characterized in that: in described step S5, the particle density of trunk surface is the area of the weight difference before and after membrane filtration divided by the sampling surface scrubbed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510494007.8A CN105092293A (en) | 2015-08-12 | 2015-08-12 | Plant trunk surface particulate matter sampling device and particulate matter adsorption quantity measuring method |
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| CN201510494007.8A CN105092293A (en) | 2015-08-12 | 2015-08-12 | Plant trunk surface particulate matter sampling device and particulate matter adsorption quantity measuring method |
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| CN201510494007.8A Pending CN105092293A (en) | 2015-08-12 | 2015-08-12 | Plant trunk surface particulate matter sampling device and particulate matter adsorption quantity measuring method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105929107A (en) * | 2016-03-24 | 2016-09-07 | 北京林业大学 | Method for determination of atmospheric particulates weakening by forest |
| CN106769615A (en) * | 2017-02-27 | 2017-05-31 | 北京林业大学 | It is a kind of to determine the method and device that rainfall removes leaf particles thing dynamic process |
| CN117686269A (en) * | 2024-02-02 | 2024-03-12 | 烟台富义环保科技有限公司 | Detection device and detection method for pine wood nematodes |
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| CN103076205A (en) * | 2011-10-26 | 2013-05-01 | 中国科学院生态环境研究中心 | In-situ sampling apparatus for epilithic periphyton |
| CN104535448A (en) * | 2015-01-13 | 2015-04-22 | 北京林业大学 | Method for measuring absorptive capacity of plant leaves to particles and adsorption particle size grades |
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| DE19855391A1 (en) * | 1998-08-13 | 2000-02-24 | Frieder Hofmann | Device for taking samples |
| CN103076205A (en) * | 2011-10-26 | 2013-05-01 | 中国科学院生态环境研究中心 | In-situ sampling apparatus for epilithic periphyton |
| CN104535448A (en) * | 2015-01-13 | 2015-04-22 | 北京林业大学 | Method for measuring absorptive capacity of plant leaves to particles and adsorption particle size grades |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105929107A (en) * | 2016-03-24 | 2016-09-07 | 北京林业大学 | Method for determination of atmospheric particulates weakening by forest |
| CN106769615A (en) * | 2017-02-27 | 2017-05-31 | 北京林业大学 | It is a kind of to determine the method and device that rainfall removes leaf particles thing dynamic process |
| CN117686269A (en) * | 2024-02-02 | 2024-03-12 | 烟台富义环保科技有限公司 | Detection device and detection method for pine wood nematodes |
| CN117686269B (en) * | 2024-02-02 | 2024-05-10 | 烟台富义环保科技有限公司 | Detection device and detection method for pine wood nematodes |
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Application publication date: 20151125 |
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