CN209513351U - Sampling apparatus for the acquisition of skin surface chemical pollutant - Google Patents
Sampling apparatus for the acquisition of skin surface chemical pollutant Download PDFInfo
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- CN209513351U CN209513351U CN201920135983.8U CN201920135983U CN209513351U CN 209513351 U CN209513351 U CN 209513351U CN 201920135983 U CN201920135983 U CN 201920135983U CN 209513351 U CN209513351 U CN 209513351U
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Abstract
The utility model relates to a kind of sampling apparatuses for the acquisition of skin surface chemical pollutant, it includes collector, collector, solvent box and air extractor, the inlet tube and outlet tube that collector is equipped with collection room and is tightly connected with collection room, collection room has the acquisition port abutted with skin, the external port of the inlet tube extends in the solvent of solvent box, the external port of the outlet tube extends in the collecting chamber of collector, the inner port of inlet tube and outlet tube is adjacent with the skin at acquisition port respectively, rinsing area is formed between inlet tube and the inner port of outlet tube, air extractor forms negative pressure for making in collecting chamber.The skin surface chemical pollutant sampling apparatus of the utility model can effectively improve the removal efficiency of skin contamination object, the pollution situation of the more acurrate assessment skin chemical object of energy, to provide evidence to take effective measure to prevent skin absorption.
Description
Technical field
The utility model relates to pollutant sampling apparatus fields, particularly relate to one kind and adopt for skin surface chemical pollutant
The sampling apparatus of collection.
Background technique
Various chemicals existing for workplace mainly pass through respiratory tract, skin and alimentary canal and enter human body, produce to human body
Raw health effect.Currently, the air exposure limit for the workplace chemical substance that China formulates, is exposed with air sampling
Measurement, does not consider the approach of skin contact.2.1-2007 " workplace harmful factors Exposed of occupational health standard GBZ
Limit value part 1: chemical harmful factors " involved in totally 339 kinds of chemical noxious substance, wherein mark " skin " expression can be through complete
Whole skin absorption causes the chemicals of systemic effect to have 114 kinds (accounting for 33.6%), and some researches show that skin surface cleaning sampling can
To the pollution of evaluation work place skin surface or skin exposure, but there are many defects, such as skin surface for its method
The removal efficiency and elution efficiency of chemical pollutant are lower, and the cleaning piece used fails to permeate very well and all dissolves and absorbs skin
On pollutant, cause remove efficiency it is lower, even if cleaning piece removes pollutant from skin surface 100%, but cleaning piece may
Retain pollutant and pollutant can not be eluted completely and be measured, to finally influence the exposure assessment knot that skin absorbs
The accuracy of fruit.
Summary of the invention
The utility model provides a kind of sampling apparatus for the acquisition of skin surface chemical pollutant, solves actual surface and wipes
Defect existing for the method for sampling is wiped, the exposed amount that chemicals are absorbed from skin can be more accurately assessed.
The utility model adopts the following technical solution:
For the sampling apparatus of skin surface chemical pollutant acquisition, including collector, collector, solvent box and pumping dress
It sets, the inlet tube and outlet tube that collector is equipped with collection room and is tightly connected with collection room, collection room, which has, to abut with skin
Acquisition port, the external port of the inlet tube extend in the solvent of the solvent box, the inner port of inlet tube and the skin at acquisition port
Skin is adjacent, and the external port of the outlet tube extends in the collecting chamber of collector, the inner port of outlet tube and the skin at acquisition port
It is adjacent, rinsing area is formed between the inner port of inlet tube and the inner port of outlet tube, air extractor is formed in collecting chamber for making
Negative pressure.
It is further improved ground, above-mentioned acquisition port is circle, and the diameter of acquisition port is 0~5cm；The inner end of above-mentioned inlet tube
Spacing is 0.6~0.9 times of acquisition port diameter between mouth and the inner port of above-mentioned outlet tube.
It is further improved ground, the inner port of above-mentioned inlet tube and the inner port of above-mentioned outlet tube are in same level.
Alternatively, the inner port of above-mentioned inlet tube and the spacing of skin are 0~3mm；The inner port of above-mentioned inlet tube and the spacing of skin are
0.3~1.5mm.And the caliber of above-mentioned inlet tube is 1.3~1.8 times of above-mentioned outlet tube caliber.
It is further improved ground, the sampling solvent configured in above-mentioned solvent box is n-hexane, dichloroethanes, deionized water, second
Alcohol, isopropanol, acetone or phosphate buffer.
It is further improved ground, the periphery fixing sleeve of above-mentioned acquisition port is equipped with sealing ring；And preferably sealing ring has in center
The sucker structure of through-hole.
It is further improved ground, the volume flow of above-mentioned air extractor is 50~100ml/min.
The apparatus for preparation using device of the utility model: a kind of acquisition hollow with the bottom end into and out of liquid pipe is made
Device, while collector lower end periphery has rubber suction cups, inlet tube connects solvent box, the molten of certain volume amount is added in solvent box
Agent, according to the dissolution degree of different chemicals, can choose corresponding solvent, usually make to dissolve the pollutant on skin
Use deionized water, ethyl alcohol, isopropanol, acetone, phosphate buffer etc. as sampling solvent；Outlet tube connects other collector,
And collector connects an air force and samples pump installation, to keep the negative pressure state of entire sampling system device.
Use step: collector lower end be placed in the more smooth skin surface that need to be sampled, usually the back of the hand or
On arm or exposed skin surface, unlatching air generation plants (are carried out) with the flow of 50ml/min, it is ensured that collector
Skin is sucked in lower edge sucker, the solvent (usual 50-100 ml) of certain volume is injected in solvent box, solvent will be from skin surface
The past is washed away, since disengaging liquid pipe is in same level, eddy-currents is formed, sufficiently skin surface can be rinsed, to protect
The pollutant for demonstrate,proving skin surface is dissolved as far as possible, and is sucked out by outlet tube and is entered collecting pipe, so flushing skin surface, until
Solvent uses until exhausted.Washing lotion in collecting pipe can be sent to laboratory and be measured, and as a result more can accurately measure skin surface
The amount or concentration of pollutant.
Experimental verification:
(1), by taking dimethylformamide (DMF) as an example: dimethylformamide is a kind of important industrial chemicals and organic molten
Agent is widely used in the industries such as polyurethane, acrylic fibers, medicine, pesticide, dyestuff and electronics, recently especially in synthetic leather production, nitrile
The industries such as synthetic fibre production.Production and field of employment in DMF, can be absorbed by the body by respiratory tract and skin, and especially summer is made
In the exposed situation of industry worker's skin, it can not be ignored by the exposed amount that skin absorbs.DMF contact not only causes skin and mucous membrane irritation
Symptom mainly causes acute and chronic toxic hepatic damage.It therefore is prevention operating worker to skin contact exposure assessment and intervention
The important link of Health cost.
(2), using deionized water as solvent, certain synthetic leather is manufactured using the skin sampler of this case utility model
10 operating worker baring skins of factory are sampled, and using the sample of gas chromatography detection acquisition, detect unit area skin
The contaminant capacity of skin DMF measures 2.62+0.16ug/cm2 of result average out to, and removing efficiency is 98.5%+1.9%.
By the above-mentioned description to the utility model structure it is found that compared to the prior art, the utility model has following excellent
Point: the skin surface chemical pollutant sampling apparatus of the utility model can effectively improve the removal efficiency of skin contamination object, energy
The pollution situation of more acurrate assessment skin chemical object, to provide evidence to take effective measure to prevent skin absorption.
Detailed description of the invention
Fig. 1 is the schematic perspective view using device of the utility model.
Fig. 2 is the schematic cross-sectional view of the collector of the utility model.
Specific embodiment
Illustrate specific embodiment of the present utility model with reference to the accompanying drawings.
Referring to Fig.1, Fig. 2, for skin surface chemical pollutant acquisition sampling apparatus, including collector 1, collector 2,
Solvent box 3 and air extractor 4.The inlet tube 11 and outlet tube that collector 1 is equipped with collection room 10 and is tightly connected with collection room 10
12, collection room 10 has the acquisition port 13 that abuts with skin 5, and above-mentioned acquisition port 13 is circle, and the diameter of acquisition port 13 for 1~
5cm, 13 diameter of preferred acquisition mouth are 2cm；The periphery fixing sleeve of above-mentioned acquisition port 13 is equipped with sealing ring 14；And preferred sealing ring 14
There is the sucker structure of through-hole in center.Spacing is between the inner port of above-mentioned inlet tube 11 and the inner port of above-mentioned outlet tube 12
0.6~0.9 times of 13 diameter of acquisition port.The sampling solvent configured in above-mentioned solvent box 3 is n-hexane, dichloroethanes, deionization
Water, ethyl alcohol, isopropanol, acetone or phosphate buffer.The external port of the inlet tube 11 extends to the solvent of above-mentioned solvent box 3
Interior, the inner port of inlet tube 11 and the adjoining of skin 5 at acquisition port 13, the external port of the outlet tube 12 extend to collector 2
In collecting chamber 20, the inner port of outlet tube 12 and the adjoining of skin 5 at acquisition port 13, the inner port and outlet tube 12 of inlet tube 11
Inner port between form rinsing area.The inner port of above-mentioned inlet tube 11 and the inner port of above-mentioned outlet tube 12 are in same level
On face；Due to inlet tube 11, outlet tube 12 inner port in same level, the solvent that negative pressure state inlet tube 11 exports is in skin
5 face of skin will form eddy-currents (shown in curve arrow direction as shown in figure 1), and then can sufficiently be rinsed to 5 surface of skin,
The flush efficiency of 5 pollution of surface object of skin is effectively increased, thus guarantee that the pollutant on 5 surface of skin is dissolved as far as possible, and
It is sucked out by outlet tube 12 and enters collecting pipe.Alternatively, the inner port of above-mentioned inlet tube 11 and the spacing of skin 5 are 0~3mm；It is above-mentioned
The inner port of inlet tube 11 and the spacing of skin 5 are 0.3~1.5mm, guarantee that negative pressure state skin 5 can occur one in acquisition port 13
The inner port of outlet tube 12 will not be blocked when fixed protuberance.And the caliber of the inlet tube 11 be 12 caliber of outlet tube 1.3~
1.8 times, preferably 1.5 times.Air extractor 4 forms negative pressure for making in collecting chamber 20, the volume flow of above-mentioned air extractor 4 is
50~100ml/min, shown in the filled arrows direction of the flow direction of air as shown in figure 1.
With continued reference to Fig. 1, Fig. 2, the apparatus for preparation using device of the utility model: a kind of have into and out of liquid pipe is made
The hollow collector 1 in 12 bottom end, while 1 lower end periphery of collector has rubber suction cups, inlet tube 11 connects solvent box 3, molten
The solvent of certain volume amount is added in agent box 3, to dissolve the pollutant on skin 5, according to the dissolution degree of different chemicals,
It can choose corresponding solvent, it is molten as sampling usually using deionized water, ethyl alcohol, isopropanol, acetone, phosphate buffer etc.
Agent；Outlet tube 12 connects other collector 1, and collector 1 connects an air force and samples pump installation, to keep entirely adopting
The negative pressure state of sample system and device.
Use step: 1 lower end of collector be placed in more smooth 5 surface of skin that need to be sampled, usually the back of the hand or
Air generation plants (i.e. air extractor 4) is opened (with the flow of 50ml/min on person's arm or exposed 5 surface of skin
Carry out), it is ensured that skin 5 is sucked in 1 lower edge sucker of collector, and the solvent (usual 50~100 of certain volume is injected in solvent box 3
Ml), solvent will go over from 5 surface erosion of skin, since inlet tube 11, outlet tube 12 are in same level, form eddy-currents, energy
Sufficiently 5 surface of skin is rinsed, to guarantee that the pollutant on 5 surface of skin is dissolved as far as possible, and is inhaled by outlet tube 12
Enter collecting pipe out, so rinse 5 surface of skin, until solvent uses until exhausted.Washing lotion in collecting pipe can be sent to laboratory
It is measured, as a result more can accurately measure the amount or concentration of 5 surface contaminant of skin.
Experimental verification:
Experiment one, by taking dimethylformamide (DMF) as an example: dimethylformamide is a kind of important industrial chemicals and organic
Solvent is widely used in the industries such as polyurethane, acrylic fibers, medicine, pesticide, dyestuff and electronics, recently especially synthetic leather produce,
The industries such as acrylic fiber production process.Production and field of employment in DMF can be absorbed by the body, especially summer by respiratory tract and skin 5
In the exposed situation of operating worker skin 5, it can not be ignored by the exposed amount that skin 5 absorbs.DMF contact not only causes skin 5 viscous
Film irritation mainly causes acute and chronic toxic hepatic damage.Therefore exposure assessment is contacted to skin 5 and intervention is prevention
The important link of Workers ' Health damage.
It tests two, using deionized water as solvent: certain synthetic leather being manufactured using the sampling apparatus of this case utility model
10 operating worker baring skins 5 of factory are sampled, and using the sample of gas chromatography detection acquisition, detect unit area skin
The contaminant capacity of skin 5DMF measures 2.62+0.16ug/cm of result average out to2, removing efficiency is 98.5%+1.9%.
Traditional 5 surface wipes method of sampling of skin is sampled, using deionized water as solvent, using fibrous filter membrane paper as wiping
Filter membrane carries out cleaning sampling in identical 5 area of skin in 5 position of skin (circle for drawing 2cm radius) that closes on of same operating worker, with
Gas chromatography detects the contaminant capacity of unit area skin 5DMF, 1.95+0.23 ug/cm of average out to2, average to remove effect
Rate is 91.3%+3.1%.Two groups of results are statistically analyzed, and are had significant difference (P < 0.05), wherein applying novel sampling
The pollutant per unit area concentration that device obtains is significantly higher than the result that traditional 5 cleaning sampling of skin obtains.
Compare two kinds of method of sampling measurement results, discovery is adopted using the 5 surface layer chemical pollutant of skin of this case utility model
Sampling device, can effectively improve the removal efficiency of 5 pollutant of skin, can more acurrate assessment 5 chemicals of skin pollution situation, from
And evidence is provided to take effective measure to prevent the absorption of skin 5.
The above is only the specific embodiments of the present invention, but the design concept of the present invention is not limited thereto,
All non-essential modifications to the present invention made by this concept should belong to the row for invading scope of protection of the utility model
For.
Claims (9)
1. for the sampling apparatus of skin surface chemical pollutant acquisition, including collector and collector, it is characterised in that: also wrap
Solvent box and air extractor are included, the inlet tube and outlet tube that the collector is equipped with collection room and is tightly connected with collection room are adopted
Collection room has the acquisition port abutted with skin, and the external port of the inlet tube extends in the solvent of the solvent box, inlet tube
Skin at inner port and acquisition port is adjacent, and the external port of the outlet tube extends in the collecting chamber of collector, outlet tube it is interior
Skin at port and acquisition port is adjacent, and rinsing area, pumping dress are formed between the inner port of inlet tube and the inner port of outlet tube
It sets for making to form negative pressure in collecting chamber.
2. as described in claim 1 for skin surface chemical pollutant acquisition sampling apparatus, it is characterised in that: it is described into
The inner port of liquid pipe and the inner port of the outlet tube are in same level.
3. as described in claim 1 for skin surface chemical pollutant acquisition sampling apparatus, it is characterised in that: it is described into
The caliber of liquid pipe is 1.3~1.8 times of the outlet tube caliber.
4. the sampling apparatus for the acquisition of skin surface chemical pollutant as described in claim 1, it is characterised in that: described to adopt
Ji Kou is circle, and the diameter of acquisition port is 1~5cm；Between the inner port of the inlet tube and the inner port of the outlet tube
Spacing is 0.6~0.9 times of acquisition port diameter.
5. the sampling apparatus for the acquisition of skin surface chemical pollutant as described in claim 1 or 2, it is characterised in that:
The inner port of the inlet tube and the spacing of skin are 0~3mm；The inner port of the inlet tube and the spacing of skin be 0.3~
1.5mm。
6. the sampling apparatus for the acquisition of skin surface chemical pollutant as described in claim 1, it is characterised in that: described molten
The sampling solvent configured in agent box is n-hexane, dichloroethanes, deionized water, ethyl alcohol, isopropanol, acetone or phosphate-buffered
Liquid.
7. the sampling apparatus for the acquisition of skin surface chemical pollutant as described in claim 1, it is characterised in that: described to adopt
The periphery fixing sleeve of Ji Kou is equipped with sealing ring.
8. the sampling apparatus for the acquisition of skin surface chemical pollutant as claimed in claim 7, it is characterised in that: described close
Seal ring has the sucker structure of through-hole in center.
9. the sampling apparatus for the acquisition of skin surface chemical pollutant as described in claim 1, it is characterised in that: the pumping
The volume flow of device of air is 50~100ml/min.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920135983.8U CN209513351U (en) | 2019-01-27 | 2019-01-27 | Sampling apparatus for the acquisition of skin surface chemical pollutant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920135983.8U CN209513351U (en) | 2019-01-27 | 2019-01-27 | Sampling apparatus for the acquisition of skin surface chemical pollutant |
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| CN209513351U true CN209513351U (en) | 2019-10-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109540603A (en) * | 2019-01-27 | 2019-03-29 | 泉州市安科职业卫生技术服务有限公司 | Sampling apparatus for the acquisition of skin surface chemical pollutant |
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2019
- 2019-01-27 CN CN201920135983.8U patent/CN209513351U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109540603A (en) * | 2019-01-27 | 2019-03-29 | 泉州市安科职业卫生技术服务有限公司 | Sampling apparatus for the acquisition of skin surface chemical pollutant |
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