CN109975467A - The measuring method of epoxy prapanol in a kind of cigarette mainstream flue gas - Google Patents
The measuring method of epoxy prapanol in a kind of cigarette mainstream flue gas Download PDFInfo
- Publication number
- CN109975467A CN109975467A CN201711463924.5A CN201711463924A CN109975467A CN 109975467 A CN109975467 A CN 109975467A CN 201711463924 A CN201711463924 A CN 201711463924A CN 109975467 A CN109975467 A CN 109975467A
- Authority
- CN
- China
- Prior art keywords
- cigarette
- measuring method
- flue gas
- cigarette mainstream
- epoxy prapanol
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/88—Integrated analysis systems specially adapted therefor, not covered by a single one of the groups G01N30/04 - G01N30/86
Abstract
The invention belongs to a kind of measuring methods of epoxy prapanol in the physical and chemical inspection technical field of cigarette smoke more particularly to cigarette mainstream flue gas.The present invention provides a kind of measuring method of epoxy prapanol in cigarette mainstream flue gas, are as follows: Step 1: cigarette mainstream smoke total particulate matter is collected；Step 2: pre-treatment；Step 3: balance；Step 4: quantitative analysis: equilibrium liquid obtained by step 3 is detected using gas chromatography-mass spectrography, detects the content of epoxy prapanol in equilibrium liquid.It can be obtained through measuring, technical solution provided by the invention, it can quickly, accurately detect the content of epoxy prapanol in cigarette mainstream flue gas, it reduces the error in pretreatment process and reduces matrix interference, by improving the selectivity and sensitivity of detection method, the accuracy of detection method is further improved；It solves and lacks a kind of method that can accurately detect epoxy prapanol in cigarette mainstream flue gas in the prior art, the technological deficiency accurately instructed can not be provided for the safety evaluation of cigarette.
Description
Technical field
The invention belongs to epoxies third in the physical and chemical inspection technical field of cigarette smoke more particularly to a kind of cigarette mainstream flue gas
The measuring method of alcohol.
Background technique
Epoxy prapanol is a kind of important fine chemical material, can be used as natural oil and polyvinyl, demulsifier,
The stabilizer of dyeing layering agent, is also used to the intermediate of synthetic glycerine, glycidol ether (amine etc.), epoxy prapanol can also be used in table
Coating materials, chemical synthesis, medicine, medication chemistry, fungicide and solid fuel gelling agent.Epoxy prapanol can be sucked by skin
Human body, causes skin, eye, respiratory tract, gastrointestinal tract mucous corrosion, and Long Term Contact will cause cutaneous necrosis and seriously endanger canthus
Film.Cigarette mainstream flue gas ingredient is extremely complex, has identified carry out substance more than more than 8000 kinds, including epoxy third at present
Alcohol.
It can not be volume however, in the prior art, lacking a kind of method that can accurately detect epoxy prapanol in cigarette mainstream
The safety evaluation of cigarette provides accurate guidance.
Summary of the invention
In view of this, the present invention provides a kind of measuring method of epoxy prapanol in cigarette mainstream flue gas, it is existing for solving
Have in technology, lack a kind of method that can accurately detect epoxy prapanol in cigarette mainstream, can not be the safety evaluation of cigarette
The technological deficiency accurately instructed is provided.
The present invention provides a kind of measuring method of epoxy prapanol in cigarette mainstream flue gas, the measuring methods are as follows:
Step 1: granule phase substance is collected: when cigarette smoking, trapping the total granules of cigarette mainstream flue gas；
Step 2: pre-treatment: the total granules that step 1 is collected, which is dissolved in extracting solution, carries out ultrasonic extraction, in collection
Clear liquid；
Step 3: balance: after supernatant obtained by step 2 is balanced in Static Headspace instrument, obtaining equilibrium liquid；
Step 4: quantitative analysis: equilibrium liquid obtained by step 3 is detected using gas chromatography-mass spectrography, is detected in equilibrium liquid
The content of epoxy prapanol.
Preferably, in step 1, the method for granule phase substance collection are as follows: cambridge filter is used to collect total phase in main flume
Object.
Preferably, in step 1, the quantity of the cigarette is 2~5.
Preferably, in step 1, the quantity of the cigarette is 2.
Preferably, in step 2, the extracting solution includes: solvent and internal standard, and the solvent is methanol or acetonitrile, it is described in
It is designated as deuterated internal standard.
Preferably, the interior target concentration is 1~5mg/mL, and the interior target volume is 50~200 μ L.
Preferably, the interior target concentration is 1mg/mL, and the interior target volume is 100 μ L.
Preferably, the volume of the extracting solution is 10~40mL.
Preferably, the volume of the extracting solution is 20mL.
Preferably, in step 2, the time of the ultrasound is 20~60min.
Preferably, in step 2, the time of the ultrasound is 20min.
Preferably, in step 3, the temperature of the balance is 80~120 DEG C, and the time of the balance is 10~40min.
Preferably, in step 3, the temperature of the balance is 90 DEG C, and the time of the balance is 10min.
Preferably, in step 4, when gas chromatographic detection, chromatographic column be PerkinElmer Elite-624 (60m ×
0.32mm×1.8μm)。
Preferably, in step 4, when gas chromatographic detection, the temperature program of chromatographic column are as follows: initial temperature is 30~50 DEG C,
Keep 1~3min；Then 80~100 DEG C are warming up to the heating rate of 2~4 DEG C/min；It is warming up to again with 15~20 DEG C/min
After 180~220 DEG C, 5~8min is kept.
Preferably, in step 4, when Mass Spectrometer Method, ion source is electron bombardment ionization source, and ion source temperature is 200~280 DEG C,
Ion transfer line temperature is 200~280 DEG C.
In conclusion the present invention provides a kind of measuring method of epoxy prapanol in cigarette mainstream flue gas, the measurement side
Method are as follows: Step 1: cigarette smoke condensates are collected: when cigarette smoking, trapping the total granules of cigarette mainstream flue gas；Step
Two, pre-treatment: the total granules that step 1 is collected is dissolved in extracting solution, collects supernatant；Step 3: balance: step 2
After gained supernatant is balanced using Static Headspace instrument, equilibrium liquid is obtained；Step 4: quantitative analysis: equilibrium liquid obtained by step 3,
It is detected using gas chromatography-mass spectrography, detects the content of epoxy prapanol in equilibrium liquid.It can be obtained through measuring, the present invention
The technical solution of offer can quickly, accurately detect the content of epoxy prapanol in main flume, reduce the mistake in pretreatment process
Difference simultaneously reduces matrix interference, by improving the selectivity and sensitivity of detection method, further improves the accurate of detection method
Property.The measuring method of epoxy prapanol, solves in the prior art, lacks one kind in a kind of cigarette mainstream flue gas provided by the invention
The method that epoxy prapanol in cigarette mainstream can be accurately detected can not provide the technology accurately instructed for the safety evaluation of cigarette
Defect.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the process signal of the measuring method of epoxy prapanol in a kind of cigarette mainstream flue gas provided in an embodiment of the present invention
Figure；
When Fig. 2 is that measuring method provided in an embodiment of the present invention is applied to flue gas inspection, the extraction ion stream of epoxy prapanol
Figure.
Specific embodiment
The measuring method of epoxy prapanol, solves the prior art in a kind of cigarette mainstream flue gas provided in an embodiment of the present invention
In, lack a kind of method that can accurately detect epoxy prapanol in cigarette mainstream, standard can not be provided for the safety evaluation of cigarette
The technological deficiency really instructed.
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
In order to which the present invention is described in more detail, below with reference to embodiment to a kind of cigarette mainstream flue gas middle ring provided by the invention
The measuring method of oxygen propyl alcohol, is specifically described.
Embodiment 1
Cigarette smoke condensates are collected: being carried out cigarette smoking 2 according to standard conditions, trapped cigarette using cambridge filter
The total granules of main flume.
Pre-treatment: the resulting cambridge filter of previous step is placed in the triangular flask of 50mL, be added deuterated inner mark solution and
The extracting solution 1 that 20mL solvent 1 forms, the total granules in cambridge filter is dissolved in extracting solution 1 after ultrasound 20min, in collection
Clear liquid 1.Wherein, solvent 1 is methanol, and the concentration of deuterated inner mark solution is 1mg/mL, and the volume of deuterated inner mark solution is 100 μ L.
Balance: after supernatant 1 balances 10min under the conditions of 90 DEG C using Static Headspace instrument, equilibrium liquid 1 is obtained
Quantitative analysis: 1 gas chromatography-mass spectrography of equilibrium liquid is detected, and detects the content of epoxy prapanol in equilibrium liquid.Its
In, ml headspace bottle 20mL, sample loop 3.0mL, 90 DEG C of Sample equilibration temperature, 160 DEG C of sample loop temperature, 180 DEG C of transmission line temperature, sample
Product equilibration time 10min, sample bottle moulding pressure 130kPa, pressing time 0.2min, inflationtime 0.2min, sample loop balance
Time 0.05min, sample injection time: 0.5min.
GC conditions are as follows: chromatographic column selects Elite-624 (60m × 0.32mm × 1.8 μm), and carrier gas is high-purity helium
(purity 99.999%), flow velocity 1.0mL/min, injector temperature, 300 DEG C, sample introduction mode be split sampling, split ratio 10:
1.Room temperature is carried out by the way of temperature programming, specifically: initial temperature is 35 DEG C, keeps 2min；Then with the liter of 2 DEG C/min
Warm speed is warming up to 80 DEG C；After being warming up to 200 DEG C again with 20 DEG C/min, 6min is kept.
Mass Spectrometry Conditions are as follows: ion source is electron bombardment ionization source, and electron energy 70eV, ion source temperature is 230 DEG C, ion transmission
Line temperature is 220 DEG C；Quality divides scan pattern, and selective ion (SIM) monitoring pattern selects respectively 44 quota ion inspection
Survey the content of epoxy prapanol.
Embodiment 2
Cigarette smoke condensates are collected: being carried out cigarette smoking 5 according to standard conditions, trapped cigarette using cambridge filter
The total granules of main flume.
Dissolution: the resulting cambridge filter of previous step is placed in the triangular flask of 50mL, be added deuterated inner mark solution and
The extracting solution 2 that 25mL solvent 2 forms, the total granules in cambridge filter is dissolved in extracting solution 2 after ultrasound 60min, in collection
Clear liquid 2.Wherein, solvent 2 is methanol, and the concentration of deuterated inner mark solution is 2mg/mL, and the volume of deuterated inner mark solution is 50 μ L.
Balance: after supernatant 2 balances 40min under the conditions of Static Headspace instrument is at 100 DEG C, equilibrium liquid 2 is obtained.
Quantitative analysis: equilibrium liquid 2 is detected using gas chromatography-mass spectrography, detects the content of epoxy prapanol in equilibrium liquid.
Wherein, ml headspace bottle 20mL, sample loop 3.0mL, 90 DEG C of Sample equilibration temperature, 160 DEG C of sample loop temperature, 180 DEG C of transmission line temperature,
Sample equilibration time 10min, sample bottle moulding pressure 130kPa, pressing time 0.2min, inflationtime 0.2min, sample loop are flat
Weigh time 0.05min, sample injection time: 0.5min.
GC conditions are as follows: chromatographic column selects Elite-624 (60m × 0.32mm × 1.8 μm), and carrier gas is high-purity helium
(purity 99.999%), flow velocity 1.0mL/min, injector temperature, 300 DEG C, sample introduction mode be split sampling, split ratio 10:
1.Room temperature is carried out by the way of temperature programming, specifically: initial temperature is 40 DEG C, keeps 3min；Then with the liter of 3 DEG C/min
Warm speed is warming up to 100 DEG C；After being warming up to 180 DEG C again with 15 DEG C/min, 5min is kept.
Mass Spectrometry Conditions are as follows: ion source is electron bombardment ionization source, and electron energy 70eV, ion source temperature is 280 DEG C, ion transmission
Line temperature is 200 DEG C；Quality divides scan pattern, and selective ion (SIM) monitoring pattern selects respectively 44 quota ion inspection
Survey the content of epoxy prapanol.
Embodiment 3
Cigarette mainstream smoke total particulate matter is collected: being carried out cigarette smoking 3 according to standard conditions, is trapped using cambridge filter
The total granules of cigarette mainstream flue gas.
Dissolution: the resulting cambridge filter of previous step is placed in the triangular flask of 50mL, and the deuterated internal standard that xx μ L is added is molten
The extracting solution 3 that liquid and 30mL solvent 3 form, the total granules in cambridge filter is dissolved in extracting solution 3 after ultrasound 40min, is received
Collect supernatant 3.Wherein, solvent 3 is acetonitrile, and the concentration of deuterated inner mark solution is 5mg/mL, and the volume of deuterated inner mark solution is 200
μL。
Balance: after supernatant 3 balances 15min under the conditions of 80 DEG C in Static Headspace instrument, equilibrium liquid 3 is obtained.
Quantitative analysis: equilibrium liquid 3 is detected using gas chromatography-mass spectrography, detects epoxy prapanol in equilibrium liquid
Content.Wherein, ml headspace bottle 20mL, sample loop 3.0mL, 90 DEG C of Sample equilibration temperature, 160 DEG C of sample loop temperature, transmission line temperature
180 DEG C, Sample equilibration time 10min, sample bottle moulding pressure 130kPa, pressing time 0.2min, inflationtime 0.2min, sample
Product ring equilibration time 0.05min, sample injection time: 0.5min.
GC conditions are as follows: chromatographic column selects Elite-624 (60m × 0.32mm × 1.8 μm), and carrier gas is high-purity helium
(purity 99.999%), flow velocity 1.0mL/min, injector temperature, 300 DEG C, sample introduction mode be split sampling, split ratio 10:
1.Room temperature is carried out by the way of temperature programming, specifically: initial temperature is 40 DEG C, keeps 3min；Then with the liter of 3 DEG C/min
Warm speed is warming up to 100 DEG C；After being warming up to 180 DEG C again with 15 DEG C/min, 8min is kept.
Mass Spectrometry Conditions are as follows: ion source is electron bombardment ionization source, and electron energy 70eV, ion source temperature is 280 DEG C, ion transmission
Line temperature is 200 DEG C；Quality divides scan pattern, and selective ion (SIM) monitoring pattern selects respectively 44 quota ion inspection
Survey the content of epoxy prapanol.
Embodiment 4
The present embodiment is the testing result of Examples 1 to 3.
In the main flume of cigarette, the extraction ion figure of epoxy prapanol is referring to Fig. 2, the measurement result of epoxy prapanol please join
Read table 1.
Table 1
| Embodiment 1 | Embodiment 2 | Embodiment 3 | |
| Epoxy prapanol (μ g/ branch cigarette) | 7.03 | 3.33 | 2.09 |
Embodiment 5
The present embodiment is the specific embodiment of working curve, detection limit and quantitative limit measurement.
Using methanol as solvent, the series standard solution of the epoxy prapanol of various concentration is prepared respectively, using above-described embodiment 1
In instrument condition carry out HS GC-mass spectral analysis respectively.
Then, using inner mark method ration, using target peak area ratio in each object and its as ordinate (Y), each object
Concentration is that abscissa (X, ng/mL) carries out regression analysis, obtains the regression equation Y=0.00486884x+ of epoxy prapanol
0.00180935, coefficient R2It is 0.9992.
The standard solution of minimum concentration is diluted to and carried out HS GC-mass spectral analysis, is side with 3 times of signal-to-noise ratio
The detection limit (LOD) of method, 10 times of signal-to-noise ratio are quantitative limit (LOQ), and the LOD and LOQ of epoxy prapanol are respectively 0.014 μ g/ branch cigarette
With 0.045 μ g/ branch cigarette.Illustrate this method sensitivity with higher, is suitable for quantifying for epoxy prapanol in cigarette mainstream flue gas
Analysis.
HS GC-mass spectral analysis is carried out respectively using the condition in embodiment 2, embodiment 3, is obtained and is implemented
The similar experimental result of the determination condition of example 1, details are not described herein.
Embodiment 6
The present embodiment is the specific embodiment of the rate of recovery and precision.
According to two cigarette of standard aspiration condition extraction, and with cambridge filter trap 2 cigarettes total granules, in collection
Standard solution is added by basic, normal, high 3 kinds of pitch-based spheres on cambridge filter, then by the sample-pretreating method of description to sample
It is handled, each pitch-based sphere is measured in parallel 6 times, carries out the measurement of the rate of recovery and precision, and experimental result is shown in Table 3.
The rate of recovery of epoxy prapanol and precision (n=6) in 2 cigarette mainstream flue gas of table
As shown in Table 2, for the average recovery of standard addition of epoxy prapanol between 83.9%-95.3%, relative standard deviation is small
In 10%, it can satisfy quantitative needs.
In conclusion the present invention provides a kind of measuring method of epoxy prapanol in cigarette mainstream flue gas, the measurement side
Method are as follows: Step 1: cigarette mainstream smoke total particulate matter is collected: when cigarette smoking, trapping the total granules of cigarette mainstream flue gas；Step
Rapid two, pre-treatment: the total granules that step 1 is collected is dissolved in extracting solution, ultrasonic extraction, collects supernatant；Step 3:
Balance: supernatant obtained by step 2 obtains equilibrium liquid after Static Headspace instrument balance；Step 4: quantitative analysis: flat obtained by step 3
Weigh liquid, is detected using gas chromatography-mass spectrography, and the content of epoxy prapanol in equilibrium liquid is detected.It can be obtained through measuring, this
The technical solution provided is provided, can quickly, accurately detect the content of epoxy prapanol in cigarette mainstream flue gas, reduces pre-treatment
Error in journey simultaneously reduces matrix interference, by improving the selectivity and sensitivity of detection method, further improves detection side
The accuracy of method.The measuring method of epoxy prapanol, solves in the prior art in a kind of cigarette mainstream flue gas provided by the invention,
Lack a kind of method that can accurately detect epoxy prapanol in cigarette mainstream, accurate finger can not be provided for the safety evaluation of cigarette
The technological deficiency led.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. the measuring method of epoxy prapanol in a kind of cigarette mainstream flue gas, which is characterized in that the measuring method are as follows:
Step 1: cigarette mainstream smoke total particulate matter is collected: when cigarette smoking, trapping the total granules of cigarette mainstream flue gas；
Step 2: sample pre-treatments: the total granules that step 1 is collected, which is dissolved in Extraction solvent, carries out ultrasonic extraction, collects
Supernatant；
Step 3: balance: supernatant obtained by step 2 is balanced using Static Headspace instrument, obtains equilibrium liquid；
Step 4: quantitative analysis: equilibrium liquid obtained by step 3 is detected using gas chromatography-mass spectrography, detects epoxy in equilibrium liquid
The content of propyl alcohol.
2. measuring method according to claim 1, which is characterized in that in step 1, the method for granule phase substance collection are as follows: use
Cambridge filter collects the total granules in cigarette mainstream flue gas.
3. measuring method according to claim 1, which is characterized in that in step 1, the quantity of the cigarette is 2~5.
4. measuring method according to claim 1, which is characterized in that in step 2, the extracting solution includes: solvent and interior
Mark, the solvent be methanol or acetonitrile, it is described in be designated as deuterated internal standard.
5. measuring method according to claim 3, which is characterized in that the interior target concentration is 1~5mg/mL, described interior
Target volume is 50~200 μ L.
6. measuring method according to claim 3, which is characterized in that the volume of the extracting solution is 10~40mL.
7. measuring method according to claim 1, which is characterized in that in step 2, time of the ultrasound is 20~
60min。
8. measuring method according to claim 1, which is characterized in that in step 3, the temperature of the balance is 80~120
DEG C, the time of the balance is 10~40min.
9. detection method according to claim 1, which is characterized in that in step 4, when gas chromatographic detection, chromatographic column
Temperature program are as follows: initial temperature is 30~50 DEG C, keeps 1~3min；Then 80 are warming up to the heating rate of 2~4 DEG C/min
~100 DEG C；After being warming up to 180~220 DEG C again with 15~20 DEG C/min, 5~8min is kept.
10. detection method according to claim 1, which is characterized in that in step 4, when Mass Spectrometer Method, ion source is electricity
Sub- bombardment source, ion source temperature are 200~280 DEG C, and ion transfer line temperature is 200~280 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711463924.5A CN109975467B (en) | 2017-12-28 | 2017-12-28 | Method for measuring epoxypropanol in main stream smoke of cigarette |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711463924.5A CN109975467B (en) | 2017-12-28 | 2017-12-28 | Method for measuring epoxypropanol in main stream smoke of cigarette |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109975467A true CN109975467A (en) | 2019-07-05 |
| CN109975467B CN109975467B (en) | 2023-05-02 |
Family
ID=67075067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711463924.5A Active CN109975467B (en) | 2017-12-28 | 2017-12-28 | Method for measuring epoxypropanol in main stream smoke of cigarette |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109975467B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112763601A (en) * | 2020-12-24 | 2021-05-07 | 福元药业有限公司 | Method for measuring epoxypropanol in glycerine enema raw material |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030211471A1 (en) * | 2002-04-15 | 2003-11-13 | The American National Red Cross | Method for detecting ligands and targets in a mixture |
| CN104316634A (en) * | 2014-10-24 | 2015-01-28 | 贵州中烟工业有限责任公司 | Determination method of volatile organic acids in cigarette mainstream smoke |
| CN104535695A (en) * | 2015-01-21 | 2015-04-22 | 中国烟草总公司郑州烟草研究院 | Method for simultaneously detecting phenol, NNK and benzo-[a]-pyrene in main stream smoke of cigar by using gas chromatography-tandem mass spectrum |
| CN104807911A (en) * | 2015-05-13 | 2015-07-29 | 浙江中一检测研究院股份有限公司 | Method for testing glycidol in air and waste gas |
-
2017
- 2017-12-28 CN CN201711463924.5A patent/CN109975467B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030211471A1 (en) * | 2002-04-15 | 2003-11-13 | The American National Red Cross | Method for detecting ligands and targets in a mixture |
| CN104316634A (en) * | 2014-10-24 | 2015-01-28 | 贵州中烟工业有限责任公司 | Determination method of volatile organic acids in cigarette mainstream smoke |
| CN104535695A (en) * | 2015-01-21 | 2015-04-22 | 中国烟草总公司郑州烟草研究院 | Method for simultaneously detecting phenol, NNK and benzo-[a]-pyrene in main stream smoke of cigar by using gas chromatography-tandem mass spectrum |
| CN104807911A (en) * | 2015-05-13 | 2015-07-29 | 浙江中一检测研究院股份有限公司 | Method for testing glycidol in air and waste gas |
Non-Patent Citations (6)
| Title |
|---|
| 何莲 等: "测定工作场所空气中缩水甘油的气相色谱法", 《工业卫生与职业病》 * |
| 尹燕雷 等: "大青皮甜石榴果皮香味组分的GC/MS分析", 《中国农学通报》 * |
| 张勃 等: "汽液相平衡测定的研究进展", 《河南化工》 * |
| 李晓颍 等: "顶空进样-气相色谱-质谱联用法分析玉兰花香气成分" * |
| 王宜君 等: "固态发酵低次烟叶制备的提取液成分分析", 《食品与生物技术学报》 * |
| 郭晓晖 等: "超高压处理对草莓浆香气成分的影响", 《食品科学》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112763601A (en) * | 2020-12-24 | 2021-05-07 | 福元药业有限公司 | Method for measuring epoxypropanol in glycerine enema raw material |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109975467B (en) | 2023-05-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104062385B (en) | A kind of method of nicotine content in detected electrons cigarette flue gas | |
| CN102103128A (en) | Method for determining contents of formaldehyde, acetaldehyde and acetone in water-borne adhesives for cigarettes | |
| CN105021744A (en) | Method for measuring eight carbonyl compounds in electronic cigarette tobacco tar | |
| CN106908564A (en) | Lithium, sodium, ammonia, potassium, magnesium, the method for calcium content in smoke-free tobacco product are determined simultaneously | |
| CN105067728B (en) | A kind of gas chromatography combined with mass spectrometry measures the method for solvent composition in tobacco juice for electronic smoke | |
| Wang et al. | A HYBRID ELECTRONIC NOSES'SYSTEM BASED ON MOS-SAW DETECTION UNITS INTENDED FOR LUNG CANCER DIAGNOSIS | |
| CN106153759A (en) | A kind of GC method of testing of gaseous phase of main stream smoke of cigarette moisture | |
| CN104569194A (en) | Ion chromatographic measurement method for ammonia content in flue gas of electronic cigarette | |
| CN104122349B (en) | Cr (III) and Cr (VI) extraction and isolation and analytical approach in a kind of cigarette smoke | |
| CN108760955A (en) | A method of cigarette shreds component of not burning is heated in detection | |
| CN104215723B (en) | Monomethyl amine, the method for monoethyl amine content in a kind of ion-chromatographic determination cigarette side-stream smoke | |
| CN103698433B (en) | The detection method of vinyl chloride in a kind of cigarette side-stream smoke | |
| CN109975467A (en) | The measuring method of epoxy prapanol in a kind of cigarette mainstream flue gas | |
| CN102331462B (en) | Method for measuring ammonia content in water base adhesive for tobaccos | |
| CN105699519A (en) | Analysis method of transferring rate of nicotine in smoke in electronic cigarette smoking process | |
| CN102841158A (en) | Method for measuring main stream smoke of cigarettes by using amino acid analyzer | |
| CN108548880A (en) | The assay method of Multiple components in a kind of electronic cigarette flue gas | |
| CN105067390A (en) | Method for measuring ammonia content in mainstream smoke of cigarettes | |
| CN107966506B (en) | The detection method of N-ethylaniline content in a kind of Rubber & Rubber Products | |
| CN106093235A (en) | A kind of for measuring moisture and the extract of nicotine content and using method thereof in cigarette mainstream flue gas | |
| CN103983724B (en) | The detection method of vinyl acetate in a kind of cigarette side-stream smoke | |
| CN109975443A (en) | The detection method of aldehyde material in a kind of cigarette filter | |
| CN102636582B (en) | Method for determining content of diminazene and antipyrine in diminazene particle | |
| CN109507325A (en) | A kind of quick-fried pearl moisture content detection method of cigarette | |
| CN104777139A (en) | Method for detecting total mercury, inorganic mercury and organic mercury in tobacco simultaneously and application |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |