CN106769750A - It is a kind of to test and calculate the method that cambridge filter retains efficiency to the quantity of electronics smoke sol - Google Patents
It is a kind of to test and calculate the method that cambridge filter retains efficiency to the quantity of electronics smoke sol Download PDFInfo
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- CN106769750A CN106769750A CN201611068776.2A CN201611068776A CN106769750A CN 106769750 A CN106769750 A CN 106769750A CN 201611068776 A CN201611068776 A CN 201611068776A CN 106769750 A CN106769750 A CN 106769750A
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- Prior art keywords
- aerosol
- cambridge filter
- trap
- electronic cigarette
- grain number
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- 239000000779 smoke Substances 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000012360 testing method Methods 0.000 title claims abstract description 15
- 239000000443 aerosol Substances 0.000 claims abstract description 59
- 239000003571 electronic cigarette Substances 0.000 claims abstract description 41
- 239000002245 particle Substances 0.000 claims abstract description 35
- 230000000391 smoking effect Effects 0.000 claims abstract description 15
- 230000000717 retained effect Effects 0.000 claims abstract description 8
- 235000019504 cigarettes Nutrition 0.000 claims description 10
- 238000005259 measurement Methods 0.000 claims description 10
- 239000012159 carrier gas Substances 0.000 claims description 6
- 239000007789 gas Substances 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 239000000693 micelle Substances 0.000 claims description 2
- 101100204059 Caenorhabditis elegans trap-2 gene Proteins 0.000 description 7
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 6
- 239000003546 flue gas Substances 0.000 description 6
- 238000011160 research Methods 0.000 description 5
- 238000010790 dilution Methods 0.000 description 4
- 239000012895 dilution Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 244000061176 Nicotiana tabacum Species 0.000 description 1
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000008821 health effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 210000000214 mouth Anatomy 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N2015/084—Testing filters
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
It is a kind of to test and calculate the method that cambridge filter retains efficiency to the quantity of electronics smoke sol, it is characterised in that：Electronic cigarette is aspirated by trap using smoking machine, electronics smoke sol is trapped by the cambridge filter being placed in trap, aerosol grain number particle diameter tester is accessed by a three-way connection in aspiration between trap and smoking machine, aerosol grain number and particle diameter are measured by aerosol grain number particle diameter tester, aerosol grain number during by measuring trap addition and remove cambridge filter, calculates cambridge filter and retains efficiency to the quantity of electronics smoke sol.It is of the invention simple to operate, can quickly test and calculate cambridge filter and efficiency is retained to the quantity of different electronics smoke sols.
Description
Technical field
The invention belongs to electronic cigarette analysis technical field, more particularly to a kind of test and calculating cambridge filter are to electronics flue gas
The method that the quantity of colloidal sol retains efficiency, after aerosol grain number particle diameter tester is directly connected in smoking machine trap by the method
Fang Santong, aerosol grain number during by measuring trap addition and remove cambridge filter, calculates cambridge filter to electronics flue gas
The quantity retention efficiency of colloidal sol.
Background technology
Since electronic cigarette commercialization, global electronic cigarette market is presented accelerated development situation.With the increasingly expansion of market scale
Big and product type increases sharply, and the security of electronic cigarette and potential health effect are increasingly paid close attention to by people, electronics
Cigarette correlative study is just turning into the focus of smoking and health research.
The operation principle of electronic cigarette is pneumatically or manually trigger switch, electronic cigarette when smoker passes through suction nozzle air-breathing
Liquid is atomized in atomizer, and the electronic cigarette smog after atomization enters human oral cavity with air-flow by suction nozzle, so as to reach mould
Intend the effect of smoking.At present, the research for electronic cigarette focuses mostly in smoke property and harmful components the burst size inspection of aerosol
The aspects such as survey.Electronic cigarette is aspirated using smoking machine more than document report, aerosol is trapped using cambridge filter, from
And complete the chemical composition analysis research of electronics smoke sol.
Cambridge filter is the universal capture element for cigarette mainstream flue gas grain phase part in Tobacco Analysis chemical research, can
To realize the separation of flue gas grain phase and gas phase.Research shows that the particle diameter median of cigarette mainstream flue gas aerosol is about 200nm,
And the particle diameter median of electronics smoke sol is less than cigarette smoke aerosol particle size, and electronic cigarette aerosol particle diameter and grain number are received
The influence of the factors such as electronic cigarette type, mode of heating and heating power.Therefore, electronics smoke sol is carried out using cambridge filter
During trapping, it is understood that there may be aerosol penetration phenomenon, cause cambridge filter low to the retention efficiency of aerosol, so as to influence electronic cigarette
The accuracy of aerosol analysis.Therefore, test and calculate cambridge filter and efficiency is retained to the quantity of electronics smoke sol, to accurate
The burst size for analyzing aerosol harmful components is significant.
The content of the invention
The purpose of the present invention be according to electronics smoke sol analyze the need for, it is molten to electronics flue gas for existing cambridge filter
Penetration problem that may be present when glue is trapped, has developed a kind of test and has calculated cambridge filter and the quantity of electronics smoke sol has been cut
The method for staying efficiency.Aerosol grain number particle diameter tester is directly connected in the threeway of trap rear by the method, is caught by measurement
Storage adds and removes aerosol grain number during cambridge filter, calculates cambridge filter and retains effect to the quantity of electronics smoke sol
Rate.
The purpose of the present invention is achieved through the following technical solutions：
It is a kind of to test and calculate the method that cambridge filter retains efficiency to the quantity of electronics smoke sol, using smoking machine by catching
Storage is aspirated to electronic cigarette, electronics smoke sol is trapped by the cambridge filter being placed in trap, in trap
Aerosol grain number particle diameter tester is accessed by a three-way connection in aspiration between smoking machine, by aerosol grain number grain
Footpath tester measurement aerosol grain number and particle diameter, aerosol grain number during by measuring trap addition and remove cambridge filter,
Calculate cambridge filter and efficiency is retained to the quantity of electronics smoke sol.In gasoloid, it is necessary to according to the concentration of aerosol
The flow of carrier gas is adjusted, the thinner ratio of aerosol is calculated, aerosol grain number measurement result is obtained for converting.
Detailed process step of the invention is as follows：
（1）Cambridge filter is built into trap, continuous sucking is carried out to electronic cigarette, adjust aerosol dilution ratio, measurement trapping
Aerosol grain number and particle diameter at device three-way connection, aspirate 5-10 mouthfuls of electronic cigarette, and obtaining single port aerosol by arithmetic average exists
Different-grain diameter is classifiedDiGrain numberA（A1,A2……An）；
（2）The cambridge filter in trap is removed, continuation carries out continuous sucking to electronic cigarette, adjust aerosol dilution ratio, measurement
Aerosol grain number and particle diameter at trap three-way connection, aspirate 5-10 mouthfuls of electronic cigarette, and it is molten to obtain single port gas by arithmetic average
Glue is classified in different-grain diameterDiGrain numberB（B1,B2……Bn）；
（3）Calculate cambridge filter and efficiency is retained to the quantity of electronics smoke sol, specially：
(i=1,2,3……n)
Described smoking machine is the device of auto-pumping electronic cigarette, can be according to the difference suction mode such as ISO, HCI and suction ginseng
It is several that electronic cigarette is aspirated, electronic cigarette is produced aerosol.
Carrier gas regulating valve is provided with the injection port of aerosol grain number particle diameter tester, aerosol is introduced for adjusting
The concentration of sample, meets the concentration requirement of detection.
Described aerosol grain number particle diameter tester can carry out real-time online survey to the particle diameter of electronics smoke sol and grain number
Amount.
Described electronic cigarette can be disposable electric cigarette, cigarette bullet formula electronic cigarette or continuous liquid formula electronic cigarette.
Beneficial effects of the present invention are as follows：
Aerosol grain number particle diameter tester is directly connected in the rear threeway of smoking machine trap by the present invention, by measuring trap
Aerosol grain number during cambridge filter is added and removed, cambridge filter is calculated and efficiency is retained to the quantity of electronics smoke sol；Should
Method is simple to operate, as a result accurately and reliably, can provide correction foundation for aerosol chemistry composition release measurement.
Brief description of the drawings
The schematic device of Fig. 1 the inventive method.
1. the carrier gas regulating valve of 2. trap of electronic cigarette, 3. cambridge filter, 4. aspiration, 5. sample introduction pipeline 6.
7. the smoking machine of aerosol grain number particle diameter tester 8..
During Fig. 2 certain electronic cigarette suctions, trap adds and removes the aerosol test result of cambridge filter：（a）Catch
The aerosol test result of cambridge filter is added in storage,（b）The aerosol test result of cambridge filter is removed in trap.
Specific embodiment
The present invention is described further below in conjunction with accompanying drawing：
It is a kind of to test and calculate the method that cambridge filter retains efficiency to the quantity of electronics smoke sol, as shown in figure 1, using suction
Cigarette machine 8 is aspirated by trap 2 to electronic cigarette 1, and electronics smoke sol is entered by the cambridge filter 3 being placed in trap 2
Row trapping, accesses aerosol grain number particle diameter and tests in the aspiration between trap 2 and smoking machine 8 by a three-way connection
Instrument 7, carrier gas regulating valve 6 is provided with the injection port of aerosol grain number particle diameter tester 7, and aerosol sample is introduced for adjusting
Concentration.
The electronic cigarette 1 for being used is disposable electric cigarette, a diameter of 44mm of cambridge filter 3；Linear pattern smoking machine 8 passes through
The aspiration of a diameter of 6mm carries out continuous sucking to electronic cigarette 1, and suction mode is：Square wave is aspirated, and pumping volume is 55mL,
Puff duration is 3s, and puff interval is 30s.7 points of the aerosol grain number particle diameter tester for being used is 12 grades of particle diameters, its survey
Measure the particle size range of particle size range overlay electronic smoke sol.The injection port of aerosol grain number particle diameter tester 7 passes through a diameter of 2mm
Sample introduction pipeline 5 be connected with three-way connection and carrier gas regulating valve 6, the electronics smoke sol to introducing carries out particle diameter and grain number and surveys
Amount.
The method that test and calculating cambridge filter retain efficiency to the quantity of electronics smoke sol, process is specially：
（1）Cambridge filter 3 is built into trap 2, continuous sucking is carried out to electronic cigarette 1, adjust aerosol dilution ratio, it is molten by gas
Aerosol grain number and particle diameter at the measurement three-way connection of trap 2 of micelle number particle diameter tester 7, aspirate 5-10 mouthfuls of electronic cigarette, lead to
Cross arithmetic average and obtain single port aerosol in different-grain diameter classificationDiGrain numberA（A1,A2……An）, such as Fig. 2（a）It is shown；
（2）The cambridge filter 3 in trap 2 is removed, continuation carries out continuous sucking to electronic cigarette 1, adjusts aerosol dilution ratio, surveys
Aerosol grain number and particle diameter at the amount three-way connection of trap 2, aspirate 5-10 mouthfuls of electronic cigarette, and single port gas is obtained by arithmetic average
Colloidal sol is classified in different-grain diameterDiGrain numberB（B1,B2……Bn）, such as Fig. 2（b）It is shown；
（3）Calculate cambridge filter and efficiency is retained to the quantity of electronics smoke sol, specially：
(i=1,2,3……n)
In the present embodiment,nIt is 12, calculate cambridge filter by the measurement result of Fig. 2 retains efficiency to the quantity of electronics smoke sol
It is 99.78%.
Claims (3)
- It is 1. a kind of to test and calculate the method that cambridge filter retains efficiency to the quantity of electronics smoke sol, it is characterised in that：Adopt Electronic cigarette is aspirated by trap with smoking machine, electronics smoke sol is carried out by the cambridge filter being placed in trap Trapping, aerosol grain number particle diameter tester is accessed in the aspiration between trap and smoking machine by a three-way connection, Aerosol grain number and particle diameter are measured by aerosol grain number particle diameter tester, when adding and remove cambridge filter by measuring trap Aerosol grain number, calculate cambridge filter and efficiency retained to the quantity of electronics smoke sol, comprise the following steps that：（1）Cambridge filter is built into trap, continuous sucking is carried out to electronic cigarette, the gas at measurement trap three-way connection is molten Micelle number and particle diameter, aspirate 5-10 mouthfuls of electronic cigarette, and obtain single port aerosol by arithmetic average is classified in different-grain diameterDiGrain NumberA（A1,A2……An）；（2）The cambridge filter in trap is removed, continuation carries out continuous sucking to electronic cigarette, at measurement trap three-way connection Aerosol grain number and particle diameter, aspirate 5-10 mouthfuls of electronic cigarette, and obtain single port aerosol by arithmetic average is classified in different-grain diameterDi Grain numberB（B1,B2……Bn）；（3）Calculate cambridge filter and efficiency is retained to the quantity of electronics smoke sol, specially：(i=1,2,3……n)。
- 2. the method for claim 1, it is characterised in that：Electronic cigarette can for disposable electric cigarette, cigarette bullet formula electronic cigarette or Continuous liquid formula electronic cigarette.
- 3. the method for claim 1, it is characterised in that：It is provided with the injection port of aerosol grain number particle diameter tester Carrier gas regulating valve, the concentration of aerosol sample is introduced for adjusting, and meets the concentration requirement of detection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611068776.2A CN106769750A (en) | 2016-11-29 | 2016-11-29 | It is a kind of to test and calculate the method that cambridge filter retains efficiency to the quantity of electronics smoke sol |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611068776.2A CN106769750A (en) | 2016-11-29 | 2016-11-29 | It is a kind of to test and calculate the method that cambridge filter retains efficiency to the quantity of electronics smoke sol |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106769750A true CN106769750A (en) | 2017-05-31 |
Family
ID=58904746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611068776.2A Pending CN106769750A (en) | 2016-11-29 | 2016-11-29 | It is a kind of to test and calculate the method that cambridge filter retains efficiency to the quantity of electronics smoke sol |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106769750A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113109472A (en) * | 2021-04-13 | 2021-07-13 | 中国烟草总公司郑州烟草研究院 | Novel method for simultaneously measuring main chemical components and phenolic harmful components in smoke exhaled by tobacco products |
| CN114018685A (en) * | 2021-11-02 | 2022-02-08 | 湖北中烟工业有限责任公司 | Push type tobacco product aerosol cambridge filter disc catch thing extraction element |
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2016
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Patent Citations (4)
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| CN202421025U (en) * | 2012-01-18 | 2012-09-05 | 中国烟草总公司郑州烟草研究院 | Testing device for filter tip additive particles passing through filter tip |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113109472A (en) * | 2021-04-13 | 2021-07-13 | 中国烟草总公司郑州烟草研究院 | Novel method for simultaneously measuring main chemical components and phenolic harmful components in smoke exhaled by tobacco products |
| CN113109472B (en) * | 2021-04-13 | 2023-03-14 | 中国烟草总公司郑州烟草研究院 | Novel method for simultaneously measuring main chemical components and phenolic harmful components in smoke exhaled by tobacco products |
| CN114018685A (en) * | 2021-11-02 | 2022-02-08 | 湖北中烟工业有限责任公司 | Push type tobacco product aerosol cambridge filter disc catch thing extraction element |
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Application publication date: 20170531 |