CN106770607B - A method of identifying genuine-fake cigarette using HS-IMR-MS - Google Patents
A method of identifying genuine-fake cigarette using HS-IMR-MS Download PDFInfo
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/62—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode
Abstract
The invention discloses a kind of methods for identifying genuine-fake cigarette using HS-IMR-MS, using head-space sampler and IMR-MS Quick Acquisition cigarette volatile component and analyzed, obtain the volatile component mass spectrum fingerprint pattern of genuine piece cigarette and same trade mark cigarette to be measured, in conjunction with similarity analysis, genuine piece cigarette qualification threshold value is compared, realizes the quick identification to genuine-fake cigarette to be measured.The beneficial effects of the present invention are: head-space sampler and ion molecule reaction mass spectrograph are used in series, become a kind of analysis of volatile components technology for integrating sample acquisition, sample introduction, analysis, in conjunction with mass spectrometric data similarity analysis, it can identify for genuine-fake cigarette and one kind easy to operate, objective and fair, the accurate rapid analysis method of science are provided, fundamentally improve the science and authority of the work of genuine-fake cigarette diagnostic test, to resist the personation cigarette for being all the more difficult to identify, maintenance country and consumer's interests.
Description
Technical field
The present invention relates to cigarette identification technology fields, especially a kind of to utilize HS-IMR-MS (head space-ion molecule reaction
Mass spectrum) identify genuine-fake cigarette method.
Background technique
China is a production of cigarettes big country, and cigarette output is high, and the production trade mark is more.Although country adopts various measures, no
It is disconnected to reinforce tobacco monopoly administration, but still have some criminals in order to seek exorbitant profit, it is manufactured and is sold using various means and palmed off
Cigarette, moreover, the technology of false making and counterfeit is also increasingly superb with the high development of modern science and technology.Now, personation volume
The producer of cigarette uses more advanced volume packet equipment, has the process recipe of oneself, rolls processing quality with " genuine products " without bright
Significant difference is other, causes false smoke and real smoke is increasingly difficult to differentiate between in outer packing, reached the degree mixed the spurious with the genuine, consumer is past
It is past to have dust thrown into the eyes.A large amount of personation cigarette comes into the market, and very disruptive market economy compromises country, business and consumer
Interests.
" cigarette product diagnostic test management method " is clearly stipulate that there are mainly three types of the methods of genuine-fake cigarette diagnostic test:
Sensory identification method, smoke panel test differential method and instrument analysis and identification method.Wherein, the sensory identification method for being aided with the method for smokeing panel test is the current true and false
Common discrimination method in discrimination process.However, this for standards such as sample raw material, production technology feature, anti-counterfeiting technologies
Based on discrimination method, the authentication technique dependent on related appraiser higher to a certain extent, for emulator
For higher cigarette product, adopts this method and realize that the true and false of cigarette identifies with certain limitation.
Identify existing limitation based on sense organ, with the development of instrument analysis technology, genuine-fake cigarette authentication technique is gradually
It is combined with instrument analysis technology.It is different from sense organ authentication technique, instrument analysis technology gets rid of the subjective factor of identification person, answers
The identification to genuine-fake cigarette is realized by data processing with accurate instrument.Currently, in genuine-fake cigarette identification, using most
Instrument analysis technology be Electronic Nose Technology and near-infrared spectrum technique, solid phase microextraction-gas chromatography-mass spectrum technology, head space-
Gas chromatography-mass spectrum technology etc. is also appeared in the newspapers.
However, the measurement of the index of correlation of instrument diagnostic test generally requires carry out pre-treatment, minute is longer, and cigarette
More complicated chemical component of grass itself, leads to the reduction of mathematical modeling accuracy, constrains related application.
It is thus obvious for subjective factor present in existing genuine-fake cigarette discrimination method, complex pretreatment, analysis time
The problems such as long, it is necessary to utilize new instrument analytical technology, research and develop more objective science genuine-fake cigarette authentication technique and
Method.
Summary of the invention
It is an object of the invention to overcome genuine-fake cigarette to identify the prior art, it is a kind of easy to operate, objective to provide
Just, scientific method that is accurate, identifying genuine-fake cigarette using HS-IMR-MS.
The purpose of the present invention is achieved through the following technical solutions: a kind of side identifying genuine-fake cigarette using HS-IMR-MS
Method using the volatile component of head-space sampler and IMR-MS (ion molecule reaction mass spectrum) Quick Acquisition cigarette and is divided
Analysis, obtains the volatile component mass spectrum fingerprint pattern of genuine piece cigarette and same trade mark cigarette to be measured, in conjunction with similarity analysis, comparison
Genuine piece cigarette qualification threshold value realizes the quick identification to genuine-fake cigarette to be measured.
A kind of method identifying genuine-fake cigarette using HS-IMR-MS, comprising the following steps:
The preparation of S1, sample；
Prepare same trade mark genuine piece cigarette each one of at least ten batch, randomly selects 1 cigarette for every and carry out in fact
It tests；In addition prepare cigarette to be identified one of the corresponding trade mark, randomly select 3 and be used as cigarette to be measured；
Above-mentioned genuine piece cigarette and cigarette to be measured are placed in the 20mL ml headspace bottle of sealing respectively, in order by blank control
Bottle, genuine piece cigarette bottle and cigarette bottle to be measured are placed on head-space sampler sample injection disc, and are inserted into blank top in every two sample room
Empty bottle removes pipeline residual for being spaced suction；
The setting of S2, HS-IMR-MS instrumental conditions:
S21, headspace autosampler analysis condition are as follows:
Sample equilibration temperature: 50 DEG C -150 DEG C, quantitative loop temperature: 50 DEG C -150 DEG C, transmission line temperature: 50 DEG C -150 DEG C；
Quantitative loop volume: 1mL；Sample equilibration time: 2min-30min；Pressing time: 0.2min；Loop fills the time:
0.2min；The loop balance time: 0.05min；Sample injection time: 1min；
S22, IMR-MS analysis condition are as follows:
Open IMR-MS system and preheat 48 hours or more, Single Masses method is set in IMR-MS work station,
And following parameter setting is carried out in the method:
Each scanning ion that addition mass number is 16-300 in scanning ion inventory, is arranged every kind of ion: when scanning
Between: 50ms-300ms；MS acquisition pressure: 35mbar；Ionization reagents: Xe, reagent ionization energy: 12.13eV or ionization reagents:
Kr, reagent ionization energy: 14.00eV；Resolution ratio: 1amu；Cycles samples scanning times: 5 times；
S3, genuine piece cigarette be averaged mass spectrum fingerprint pattern acquisition；
Calculate each five scanning results of ion of genuine piece cigarette average value, and deduct correspond in blank control ion be averaged
It is worth the response (cps) to get each ion of genuine piece cigarette.It is mapped, be can be obtained with the response of each ion and corrresponding quality number
The mass spectrum fingerprint pattern of genuine piece cigarette；By multiple batches of (>=10 batches) genuine piece cigarette retest, the flat of the genuine piece cigarette is determined
Equal mass spectrum fingerprint pattern；Mass number situation contained by the genuine piece cigarette, matter can be intuitively understood by average mass spectrum fingerprint pattern
The response of each ion is strong at the mass number from the molecular ion or fragment ion of different compounds in spectrogram
The sum of degree；
S4, genuine piece cigarette qualification threshold value is determined；
It is soft that the mass spectrum fingerprint pattern of each genuine piece cigarette and average mass spectrum fingerprint pattern data are imported into SPSS statistical analysis
Part calculates each genuine piece cigarette mass spectrum fingerprint pattern and average matter using Pearson correlation coefficient method using Bivariate analysis
The similarity between finger-print is composed, the qualified threshold value of the trade mark genuine piece cigarette is determined according to wherein minimum similarity, definition is closed
Lattice threshold value is less than minimum similarity 3%；
S5, cigarette to be measured identification；
According to step S3, the mass spectrum fingerprint pattern of cigarette to be measured is obtained, calculates cigarette mass spectrum fingerprint pattern peace to be measured
The similarity of equal mass spectrum fingerprint pattern compares qualified threshold value, determines genuine-fake cigarette to be measured, as similarity value calculation is lower than
Qualified threshold value then can determine that palm off cigarette.
In the step S21, Sample equilibration temperature: 80 DEG C, quantitative loop temperature: 100 DEG C, transmission line temperature: 120 DEG C.
In the step S21, Sample equilibration time 5min.
In the step S22, sweep time 300ms.
In the step S22, each scanning ion that mass number is 16-200 is added in scanning ion inventory.
Described calculates each genuine piece cigarette mass spectrum fingerprint pattern and average mass spectrum fingerprint image using Pearson correlation coefficient method
The calculation method of similarity between spectrum is as shown in formula 1:
R in formula (1)xyThat is the two cigarette mass spectrums that the related coefficient of two cigarette maps, x and y represent progress similarity-rough set refer to
Line map, wherein xiAnd yiIndicate the response of i-th of data point of x and y,WithIndicate the mean value of x and y mass spectrometric data.R is retouched
What is stated is linearly related strong and weak degree between two cigarette maps, and absolute value is bigger and closer to the similar of 1, two map
Degree is higher, i.e., two cigarette samples are more consistent；Its absolute value is smaller and smaller closer to 0, two map similarity degree, i.e., and two
Cigarette sample is more inconsistent.
The application field of this method includes that true and false cigarette identifies, the lot stability of same cigarette production line is examined and different volumes
The uniform quality sex determination of cigarette production line.
Ion molecule reaction mass spectrum (IMR-MS) is used as a kind of novel soft ionization mass-spectrometric technique, has been widely used in breathing
Gas analysis, analysing tail gas of vehicle and ambient air pollutant analysis etc. have analysis speed fast, without advantages such as pre-treatments.
In the present invention, head-space sampler is connected with IMR-MS, becomes and a kind of integrates sample acquisition, sample introduction, analysis
Analysis of volatile components technology, in conjunction with mass spectrometric data similarity analysis, so that it may for genuine-fake cigarette identification provide it is a kind of it is easy to operate,
Objective and fair, the accurate rapid analysis method of science.
The invention has the following advantages that
1, headspace sampling is selected, it is easy to operate without carrying out any pre-treatment to cigarette.
2, it is analyzed using IMR-MS, the measurement to cigarette can be completed within a few minutes even several seconds, analyzes speed
Fastly.
3, the subjective factor of identification person is got rid of, entire discrimination process is realized more using the data of objective science as foundation
Equitably judge genuine-fake cigarette.
4, HS-IMR-MS carries out identification using qualified threshold value, and determination method is simple and easy, analytic process repeatability
It is good, it is as a result stable accurate, fake and forged cigarette product illegal activity being made and sold for strike, scientific basis is provided.
Detailed description of the invention
Fig. 1 is that genuine piece cloud and mist (soft treasure) cigarette is averaged mass spectrum fingerprint pattern in the embodiment of the present invention 1.
Fig. 2 is that genuine piece Yuxi (soft) cigarette is averaged mass spectrum fingerprint pattern in the embodiment of the present invention 2.
Fig. 3 is that genuine piece Hongta (hard classical) cigarette is averaged mass spectrum fingerprint pattern in the embodiment of the present invention 3.
Specific embodiment
Below with reference to examples and drawings, the present invention will be further described:
Embodiment 1
A method of identifying genuine-fake cigarette using HS-IMR-MS, is rolled up using head-space sampler and IMR-MS Quick Acquisition
The volatile component of cigarette is simultaneously analyzed, and the volatile component mass spectrum fingerprint image of genuine piece cigarette and same trade mark cigarette to be measured is obtained
Spectrum compares genuine piece cigarette qualification threshold value in conjunction with similarity analysis, realizes the quick identification to genuine-fake cigarette to be measured.
Specifically includes the following steps:
The preparation of S1, sample,
Prepare 10 batch genuine piece clouds and mists (soft treasure) cigarette each one of July in March, 2016-production, every each random
1 cigarette is extracted to be tested；In addition prepare cigarette one, personation cloud and mist (soft treasure) being collected into, randomly select 3 conducts
Cigarette to be measured.
Above-mentioned 10 genuine piece clouds and mists (soft treasure) and 3 clouds and mists (soft treasure) to be measured are placed in the 20mL head space of sealing respectively
In bottle, blank control bottle, genuine piece bottle and sample bottle to be tested are placed on head-space sampler sample injection disc in order, and in every two
A sample room is inserted into blank ml headspace bottle.
The setting of S2, HS-IMR-MS instrumental conditions:
S21, headspace autosampler analysis condition are as follows:
Sample equilibration temperature: 80 DEG C, quantitative loop temperature: 100 DEG C, transmission line temperature: 120 DEG C；In, three above temperature
Degree can be selected in 50 DEG C of -150 DEG C of ranges as needed；
Quantitative loop volume: 1mL；Sample equilibration time: 5min can be as needed within the scope of 2min-30min in
Selection；Pressing time: 0.2min；Loop fills the time: 0.2min；The loop balance time: 0.05min；Sample injection time: 1min.
S22, IMR-MS analysis condition are as follows:
Open IMR-MS system and preheat 48 hours or more, Single Masses method is set in IMR-MS work station,
And following parameter setting is carried out in the method:
Each scanning ion that addition mass number is 16-200 in scanning ion inventory can exist as needed in
Scanning Section is selected within the scope of 16-300 mass number；
Every kind of ion: sweep time: 300ms is set, in, can be selected within the scope of 50ms-300ms as needed；
MS acquisition pressure: 35mbar；Ionization reagents: Xe, reagent ionization energy: 12.13eV, it can also be according to measurement demand selection ionization examination
Agent: Kr, reagent ionization energy: 14.00eV；Resolution ratio: 1amu；Cycles samples scanning times: 5 times.
S3, genuine piece cigarette be averaged mass spectrum fingerprint pattern acquisition
Calculate genuine piece cloud and mist (soft treasure) each five scanning results of ion average value, and deduct in blank control correspond to from
Sub- average value to get genuine piece cloud and mist (soft treasure) each ion response.It is mapped, is obtained with the response of ion and corrresponding quality number
To the mass spectrum fingerprint pattern of genuine piece cloud and mist (soft treasure).By multiple batches of (10 batches) genuine piece cloud and mist (soft treasure) retest, really
Determine genuine piece cloud and mist (soft treasure) average mass spectrum fingerprint pattern, as shown in Figure 1.
S4, genuine piece cigarette qualification threshold value is determined
The mass spectrum fingerprint pattern of 10 batches of genuine piece clouds and mists (soft treasure) and average mass spectrum fingerprint pattern data are imported into SPSS
19.0 statistical analysis softwares calculate each genuine piece cloud and mist (soft treasure) mass spectrum fingerprint pattern and are averaged using Bivariate analysis
Similarity between mass spectrum fingerprint pattern, and determine according to wherein minimum similarity the qualified threshold value of genuine piece cloud and mist (soft treasure).
The results are shown in Table 1 for similarity calculation.As shown in Table 1, genuine piece cloud and mist (soft treasure) mass spectrum fingerprint pattern and average mass spectrum fingerprint
The minimum similarity of map is 98.12%, therefore determines that the minimum qualified threshold value of genuine piece cloud and mist (soft treasure) is 95.2%.
The similarity of 1 genuine piece cloud and mist of table (soft treasure) mass spectrum fingerprint pattern and average mass spectrum fingerprint pattern
S5, cigarette to be measured identification
According to step S3, the mass spectrum fingerprint pattern of cloud and mist to be measured (soft treasure) is obtained, calculates cloud and mist to be measured (soft treasure)
Mass spectrum fingerprint pattern peace mass spectrum fingerprint pattern similarity, compare genuine piece cigarette qualification threshold value, to genuine-fake cigarette to be measured into
Row evaluation, evaluation result are as shown in table 2.As known from Table 2,3 thus randomly selected in item cloud and mist to be identified (soft treasure)
The similarity of the mass spectrum fingerprint pattern of cigarette and average mass spectrum fingerprint pattern is respectively 92.21%, 93.50%, 93.14%,
Less than the qualified threshold value 95.2% of genuine piece cloud and mist (soft treasure), it is determined as cloud and mist (soft treasure) cigarette palmed off.The result and sense organ
Identify and identification result of smokeing panel test is consistent.
Cloud and mist to be measured (soft treasure) genuine-fake cigarette of table 2 determines result
| Cigarette sample number to be measured | Similarity (%) | Minimum qualification threshold value (%) | Determine result |
| 1 | 92.21 | 95.2 | Adulterant |
| 2 | 93.50 | 95.2 | Adulterant |
| 3 | 93.14 | 95.2 | Adulterant |
The application field of this method includes that true and false cigarette identifies, the lot stability of same cigarette production line is examined and different volumes
The uniform quality sex determination of cigarette production line.
To investigate the present invention to the applicability of other trade mark cigarette, embodiment 2~3 is carried out according to embodiment 1, and following
Aspect adjusts accordingly:
Embodiment 2
In embodiment 2,10 batch genuine piece Yuxi (soft) cigarette each one, every produced July in April, 2016-is chosen
1 cigarette is respectively randomly selected to be tested；In addition prepare personation Yuxi (soft) cigarette one being collected into, randomly select 3 flags
For cigarette to be measured, remaining is implemented according to embodiment 1.
(soft) the average mass spectrum fingerprint pattern in genuine piece Yuxi as shown in Fig. 2, 10 batches of genuine piece Yuxi (soft) mass spectrum fingerprint patterns with
Similarity between average mass spectrum fingerprint pattern is as shown in table 3, and cigarette to be measured determines that the results are shown in Table 4.
As shown in Table 3, the minimum similarity of genuine piece Yuxi (soft) and average mass spectrum fingerprint pattern is 97.70%, therefore is determined
The qualified threshold value in genuine piece Yuxi (soft) is 94.8%.As known from Table 4, by randomly selected in this Yuxi to be identified (soft) 3
The similarity of the mass spectrum fingerprint pattern of branch cigarette and average mass spectrum fingerprint pattern is respectively 89.81%, 90.78%, 91.26%,
Respectively less than (soft) the qualified threshold value 94.8% in genuine piece Yuxi, therefore Yuxi (soft) cigarette for being judged to palming off.This result and sense organ identify
And identification result of smokeing panel test is consistent.
The similarity of 3 genuine piece Yuxi (soft) mass spectrum fingerprint pattern of table and average mass spectrum fingerprint pattern
4 Yuxi to be measured (soft) genuine-fake cigarette of table determines result
| Cigarette sample number to be measured | Similarity (%) | Minimum qualification threshold value (%) | Determine result |
| 1 | 89.81 | 94.8 | Adulterant |
| 2 | 90.78 | 94.8 | Adulterant |
| 3 | 91.26 | 94.8 | Adulterant |
Embodiment 3
In embodiment 3,10 batch genuine piece Hongtas (hard classical) cigarette each one of production 2 months-June in 2016 is chosen
Item is randomly selected 1 cigarette for every and is tested；In addition prepare Hongta to be identified (hard classical) cigarette collected on the market
It one, randomly selects 3 and is used as cigarette to be measured, remaining is implemented according to embodiment 1.
Genuine piece Hongta (hard classical) average mass spectrum fingerprint pattern is as shown in figure 3,10 batches of genuine piece Hongta (hard classical) matter
The similarity composed between finger-print and average mass spectrum fingerprint pattern is as shown in table 5, and cigarette to be measured determines that the results are shown in Table 6.
As shown in Table 5, genuine piece Hongta (hard classical) and the minimum similarity of average mass spectrum fingerprint pattern are 97.12%,
Therefore determine that the qualified threshold value of genuine piece Hongta (hard classical) is 94.2%.As known from Table 6, (hard by this Hongta to be identified
It is classical) in the similarity of the mass spectrum fingerprint pattern and the mass spectrum fingerprint pattern that is averaged of 3 cigarette randomly selected be respectively
98.86%, 99.01%, 98.88%, it is all larger than qualified threshold value 94.2%, therefore is determined as genuine piece Hongta (hard classical) cigarette.
The result is consistent with sense organ identification result.
The similarity of 5 genuine piece Hongta of table (hard classical) mass spectrum fingerprint pattern and average mass spectrum fingerprint pattern
The Hongta to be measured of table 6 (hard classical) genuine-fake cigarette determines result
| Cigarette sample number to be measured | Similarity (%) | Minimum qualification threshold value (%) | Determine result |
| 1 | 98.86 | 94.2 | Genuine piece |
| 2 | 99.01 | 94.2 | Genuine piece |
| 3 | 98.88 | 94.2 | Genuine piece |
Claims (5)
1. a kind of method for identifying genuine-fake cigarette using HS-IMR-MS, it is characterised in that: fast using head-space sampler and IMR-MS
The volatile component of speed acquisition cigarette is simultaneously analyzed, and the volatile component matter of genuine piece cigarette and same trade mark cigarette to be measured is obtained
Finger-print is composed, in conjunction with similarity analysis, genuine piece cigarette qualification threshold value is compared, realizes the quick identification to genuine-fake cigarette to be measured；
A kind of above-mentioned method for identifying genuine-fake cigarette using HS-IMR-MS, comprising the following steps:
The preparation of S1, sample；
Prepare same trade mark genuine piece cigarette each one of at least ten batch, randomly selects 1 cigarette for every and tested；Separately
Outer cigarette to be identified one for preparing the corresponding trade mark, randomly selects 3 and is used as cigarette to be measured；
Above-mentioned genuine piece cigarette and cigarette to be measured are placed in the 20mL ml headspace bottle of sealing respectively, in order by blank control bottle, true
Product cigarette bottle and cigarette bottle to be measured are placed on head-space sampler sample injection disc, and are inserted into blank ml headspace bottle in every two sample room,
For being spaced suction, pipeline residual is removed；
The setting of S2, HS-IMR-MS instrumental conditions:
S21, headspace autosampler analysis condition are as follows:
Sample equilibration temperature: 50 DEG C -150 DEG C, quantitative loop temperature: 50 DEG C -150 DEG C, transmission line temperature: 50 DEG C -150 DEG C；
Quantitative loop volume: 1mL；Sample equilibration time: 2min-30min；Pressing time: 0.2min；Loop fills the time:
0.2min；The loop balance time: 0.05min；Sample injection time: 1min；
S22, IMR-MS analysis condition are as follows:
Open IMR-MS system and preheat 48 hours or more, the setting Single Masses method in IMR-MS work station, and
Following parameter setting is carried out in this method:
Each scanning ion that addition mass number is 16-300 in scanning ion inventory, is arranged every kind of ion: sweep time:
50ms-300ms；MS acquisition pressure: 35mbar；Ionization reagents: Xe, reagent ionization energy: 12.13eV or ionization reagents: Kr,
Reagent ionization energy: 14.00eV；Resolution ratio: 1amu；Cycles samples scanning times: 5 times；
S3, genuine piece cigarette be averaged mass spectrum fingerprint pattern acquisition；
The average value of each five scanning results of ion of genuine piece cigarette is calculated, and deducts and corresponds to ion average value in blank control, i.e.,
Obtain the response of each ion of genuine piece cigarette；It is mapped with the response of each ion and corrresponding quality number, genuine piece cigarette can be obtained
Mass spectrum fingerprint pattern；By being no less than 10 batch genuine piece cigarette retests, the average mass spectrum fingerprint image of the genuine piece cigarette is determined
Spectrum；
S4, genuine piece cigarette qualification threshold value is determined；
The mass spectrum fingerprint pattern of each genuine piece cigarette and average mass spectrum fingerprint pattern data are imported into SPSS statistical analysis software, benefit
With Bivariate analysis, each genuine piece cigarette mass spectrum fingerprint pattern and average mass spectrum fingerprint are calculated using Pearson correlation coefficient method
Similarity between map determines the qualified threshold value of the trade mark genuine piece cigarette according to wherein minimum similarity, defines qualified threshold value
For less than minimum similarity 3%；
S5, cigarette to be measured identification；
According to step S3, the mass spectrum fingerprint pattern of cigarette to be measured is obtained, calculates cigarette mass spectrum fingerprint pattern peace homogeneous to be measured
The similarity of finger-print is composed, qualified threshold value is compareed, genuine-fake cigarette to be measured is determined, if similarity value calculation is lower than qualification
Threshold value then can determine that palm off cigarette.
2. a kind of method for identifying genuine-fake cigarette using HS-IMR-MS according to claim 1, it is characterised in that: described
Step S21 in, Sample equilibration temperature: 80 DEG C, quantitative loop temperature: 100 DEG C, transmission line temperature: 120 DEG C.
3. a kind of method for identifying genuine-fake cigarette using HS-IMR-MS according to claim 1, it is characterised in that: described
Step S21 in, Sample equilibration time 5min.
4. a kind of method for identifying genuine-fake cigarette using HS-IMR-MS according to claim 1, it is characterised in that: described
Step S22 in, sweep time 300ms.
5. a kind of method for identifying genuine-fake cigarette using HS-IMR-MS according to claim 1, it is characterised in that: described
In step S22, each scanning ion that mass number is 16-200 is added in scanning ion inventory.
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| CN109655529A (en) * | 2017-10-12 | 2019-04-19 | 贵州中烟工业有限责任公司 | A method of identifying genuine-fake cigarette |
| CN109738569B (en) * | 2019-02-28 | 2022-02-01 | 云南中烟工业有限责任公司 | High-imitation cigarette identification method based on SPME-GC-MS |
| CN110763794B (en) * | 2019-11-12 | 2022-08-02 | 云南中烟工业有限责任公司 | Method for measuring volatile organic compounds in tobacco material |
| CN113655110A (en) * | 2021-07-28 | 2021-11-16 | 中国科学院合肥物质科学研究院 | Mass spectrum detection method and device for rapidly discriminating different brands of cigarettes on line |
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