CN105004819A - Method for measuring content of HCN (hydrogen cyanide) in main stream smoke of cigarettes - Google Patents
Method for measuring content of HCN (hydrogen cyanide) in main stream smoke of cigarettes Download PDFInfo
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- CN105004819A CN105004819A CN201510507625.1A CN201510507625A CN105004819A CN 105004819 A CN105004819 A CN 105004819A CN 201510507625 A CN201510507625 A CN 201510507625A CN 105004819 A CN105004819 A CN 105004819A
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- hydrogen cyanide
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- fiber filter
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Abstract
The invention discloses a method for simultaneously trapping gas-phase and grain-phase HCN (hydrogen cyanide) in main stream smoke of cigarettes. According to the method, the HCN in the main stream smoke is trapped by the aid of glass fiber filters containing soluble bivalent copper salt. According to the method, a trapping device is simple, the operation method is convenient, the measurement result is accurate, and the test cycle is shortened.
Description
Technical field
The invention belongs to cigarette mainstream flue gas detection field, be specifically related to a kind of hydrogen cyanide content method in mensuration cigarette mainstream flue gas.
Background technology
Hydrogen cyanide (HCN) is one of important environmental contaminants, its mechanism of toxication is mainly the ferric iron of cryanide ion in oxidized form cytochrome oxidase and is combined, block ferric electron transmission in oxidizing process, biological tissue cell is made not utilize oxygen, stop up in formation, go into a coma, breath stopped, serious dead in several minutes.Hydrogen cyanide in cigarette mainstream flue gas mainly comes from the conversion of nitrogen-containing compound in tobacco, the low easy oxidized degraded again of its content, and cigarette smoke composition is complicated, therefore how to measure the work that the content of hydrogen cyanide in cigarette mainstream flue gas always is rich challenge.
In cigarette mainstream flue gas, the hydrogen cyanide of about 50 quality % is present in granule phase substance, and residue hydrogen cyanide is present in gas gas-phase objects.The international bodies such as current domestic tobacco business, HEALTH CANADA adopt cambridge filter to trap total particulate matter in mainstream smoke hydrogen cyanide usually, adopt NaOH-ethylenediamine solution trapping main flume gas gas-phase objects hydrogen cyanide simultaneously.As shown in Figure 1, wherein cigarette 1 is connected with drip catcher 2 the method equipment therefor, and the cambridge filter for trapping grain phase hydrogen cyanide in main flume is housed in drip catcher 2.Drip catcher 2 is connected with collecting trap 4 by connecting line 3, and be contained with NaOH-ethylenediamine solution in collecting trap 4, this NaOH-ethylenediamine solution is for trapping gas phase hydrogen cyanide in main flume.Collecting trap 4 is connected with pump unit 6 by connecting line 5.Above-mentioned capture method needs first to trap the granule phase substance hydrogen cyanide in main flume and gas gas-phase objects hydrogen cyanide, then obtains grain phase eluent and gas phase adsorption liquid two kinds of solution to be measured respectively.Spectrophotometric method is adopted to measure respectively after the two derivatization.The method device is complicated, pre-treatment and testing process is loaded down with trivial details, workload is large.
Prior art also needs the method better measuring hydrogen cyanide content in cigarette mainstream flue gas.
Summary of the invention
One aspect of the present invention provides a kind of method simultaneously trapping gas phase and grain phase hydrogen cyanide in cigarette mainstream flue gas.Another aspect of the invention provides a kind of method measuring hydrogen cyanide content in main flume.
First aspect present invention provides a kind of method simultaneously trapping gas phase and grain phase hydrogen cyanide in cigarette mainstream flue gas, and the method adopts the hydrogen cyanide in the glass fiber filter trapping main flume containing solubility cupric salt.
In a specific embodiment, the capture method of the aforementioned any one of the present invention, described solubility cupric salt is be selected from one or more of following material: copper sulphate, copper sulfate hydrate, cupric chloride, cupric chloride hydrate, copper nitrate, copper nitrate hydrate, Schweinfurt green, Schweinfurt green hydrate.
In a specific embodiment, the capture method of the aforementioned any one of the present invention, every 15cm
2described is 0.001 ~ 0.5mmol containing the content of copper in the glass fiber filter of solubility cupric salt, is preferably 0.2 ~ 0.3mmol.
In a specific embodiment, the capture method of the aforementioned any one of the present invention, the wherein said glass fiber filter containing solubility cupric salt is prepared as follows: put on glass fiber filter by cupric salt solution, then dry, before using, this glass fiber filter is balanced certain hour under suitable relative humidity and temperature;
Relative humidity is preferably 60% ± 2%, and temperature is preferably 22 ± 1 DEG C, and equilibration time is preferably 48 hours;
Preferably, in described cupric salt solution, the concentration of copper ion is 10
-3~ 10
-1mol/L;
Preferably, every 15cm
2the amount of the cupric salt solution that glass fiber filter applies is 1 ~ 5ml, is preferably 2 ~ 3ml.
On pretreatment, first by the glass fiber filter containing solubility cupric salt, in suitable temperature and humidity, (humidity is 60% ± 2%, temperature 22 ± 1 DEG C) environment in balance the suitable time (such as 48h) after, filter disc contains a certain amount of moisture.And owing to also containing certain moisture in flue gas, filter disc moisture and flue gas moisture are jointly as copper ion and hydrogen cyanide reaction medium.Soluble copper salt can be dissolved in the moisture in filter disc and flue gas, and produces copper ion, thus with hydrogen cyanide generation chemical reaction, realize trapping effect.
In a specific embodiment, the capture method of the aforementioned any one of the present invention, wherein said glass fiber filter is cambridge filter, and such as diameter is the cambridge filter of 44mm or 92mm, is preferably the cambridge filter of diameter 44mm.As calculated, the area of the cambridge filter of diameter 44mm is about 15cm
2.
Second aspect present invention provides the assay method of hydrogen cyanide content in a kind of cigarette mainstream flue gas, and the method uses the hydrogen cyanide in the capture method trapping main flume of the aforementioned any one of the present invention.
In a specific embodiment, the assay method of the aforementioned any one of the present invention, the step that the method comprises the following steps or multistep:
1) use the hydrogen cyanide in the capture method trapping main flume of the aforementioned any one of the present invention, obtain the glass fiber filter that trapping has hydrogen cyanide;
2) there is the glass fiber filter of hydrogen cyanide with the trapping of KOH aqueous solution wash-out, obtain hydrogen cyanide eluent;
3) hydrogen cyanide content in hydrogen cyanide eluent is measured;
4) hydrogen cyanide content in cigarette mainstream flue gas is often propped up in calculating;
Preferred employing quantified by external standard method.
In a specific embodiment, the assay method of the aforementioned any one of the present invention, wherein step 3) use hydrogen cyanide content in ion-chromatographic determination hydrogen cyanide eluent;
Preferably, the described chromatography of ions is suppressed ion chromatography, suppresses electric current to be preferably 170 ~ 190 μ A, is more preferably 179 μ A.
In a specific embodiment, the assay method of the aforementioned any one of the present invention, the parameter of the described chromatography of ions is selected from following one or more:
A) ion column temperature: 25 ~ 35 DEG C, is preferably 30 DEG C;
B) flow velocity: 1.1 ~ 1.5mL/min, is preferably 1.2mL/min;
C) sampling volume: 20 ~ 30 μ L, is preferably 25 μ L;
D) mobile phase: KOH aqueous solution;
Preferably, KOH aqueous solution rinse procedures is as follows:
0 ~ 20min, KOH concentration is 5mmol/L,
20 ~ 20.1min, KOH concentration is 10mmol/L,
20.1 ~ 25.1min, KOH concentration is 60mmol/L,
25.1 ~ ~ 28.1min, KOH concentration is 5mmol/L.
Unless stated otherwise:
The cupric salt of solubility described in the present invention is water soluble or soluble in water, and water-soluble after in water, produce certain density Cu
2+the cupric salt of ion.
Described in the present invention, solution is aqueous solution.
The step clearly do not limited in the present invention's experiment is carried out according to by national Specification.
The beneficial effect of patent of the present invention
The present invention adopts the cambridge filter containing solubility cupric salt, trap the granule phase substance hydrogen cyanide in main flume and gas gas-phase objects hydrogen cyanide simultaneously, trapping there is hydrogen cyanide cambridge filter after KOH solution wash-out, hydrogen cyanide content in single-time measurement eluent, calculates the hydrogen cyanide content obtained in cigarette mainstream flue gas.Compare classic method, the inventive method has following advantage:
(1) capturing device is simple, without the need to connecting collecting trap;
(2) measuring process is simple, and the present invention is without the need to processing respectively granule phase substance in main flume and gas gas-phase objects hydrogen cyanide.Granule phase substance hydrogen cyanide in the disposable trapping main flume of the inventive method and gas gas-phase objects hydrogen cyanide, disposable acquisition hydrogen cyanide eluent, the hydrogen cyanide content in disposable detection eluent.Compared with other method of prior art, the inventive method is easy and simple to handle, shortens the test period.
(3) the present invention adopts the glass fiber filter containing solubility cupric salt to trap gas phase and grain phase hydrogen cyanide in main flume.In cigarette smoking process, flue gas is by the flow of filter disc large (35mL/s) and the time short (2s), glass fiber filter of the present invention effectively can either adsorb the granule phase substance in main flume, can also fully with gas phase hydrogen cyanide generation complex reaction in main flume, thus realize the abundant trapping to gas phase in main flume and grain phase hydrogen cyanide.
(4) the present invention adopts the hydrogen cyanide on KOH solution wash-out glass fiber filter, because ion chromatograph is usually with KOH automatic generator, therefore need not prepares KOH solution separately, simplify testing process.
(5) measurement result is accurate, and the present invention adopts the hydrogen cyanide content in sulfate by ion chromatography eluent, and optimizes chromatography of ions parameter, and measurement result accuracy is high.
(6) capture rate is high, and the inventive method reaches more than 99% to the capture rate of gas phase and grain phase hydrogen cyanide in the checking of cigarette main flow, and capture rate is high.
In sum, the inventive method simplifies hydrogen cyanide capturing device and step and optimizes detecting step, not only improves arresting efficiency, shorten the pre-treatment time, and method is easy.The inventive method has higher application and promotional value.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms a application's part.In the accompanying drawings:
Fig. 1 is the device schematic diagram of hydrogen cyanide in prior art trapping main flume;
Fig. 2 is the device schematic diagram that embodiment 1 traps hydrogen cyanide in main flume.
Embodiment
Below by drawings and Examples, technical scheme of the present invention is described in further detail.Schematic description and description of the present invention, for explaining the present invention, does not form limitation of the invention.
Embodiment 1 ~ 3
1) reagent used and instrument
Reagent: hydrogen cyanide standard substance solution, copper sulphate, KOH, Kentucky 3R4F reference sample, ultrapure water;
Instrument: ion chromatograph (being equipped with column oven, gradient pump, anion suppressor, KOH generator and electric conductivity detector), pump unit (SM450 smoking machine), balance, ultrasonic generator, pure water instrument, 0.45 μm of aqueous phase filter membrane, 5mL one-shot injector, Φ 44mm cambridge filter (whatman F319-04).
2) filter disc preparation: adopt liquid-transfering gun to pipette CuSO
4solution (the CuSO of embodiment 1 ~ 3
4concentration and the volume of solution are as shown in table 1), rifle head aligns filter hair side center, CuSO
4solution vertically at the uniform velocity instills in filter disc, and filtrate is spread to edge by filter disc center, and after dripping, filter surface is moistening and slightly light blue.After drying, filter surface is dry and slightly light blue, illustrates that the filter surface after drying exists the hydrate of copper sulphate.
Table 1 CuSO
4the concentration of solution and volume
| Embodiment is numbered | V(CuSO 4)/mL | c(CuSO 4)/mol/L |
| 1 | 2 | 0.1 |
| 2 | 3 | 0.05 |
| 3 | 1 | 0.1 |
3) cigarette sample prepares and sampling: 3R4F cigarette sample and the above-mentioned cambridge filter dried are placed in the environment that 22 DEG C ± 1 DEG C is 60% ± 2% with relative humidity and balance 48h, filter disc is after relative humidity is balance 48h in the environment of 60% ± 2%, and filter disc contains moisture.
Cigarette sample is extracted according to GB/T5606.1-2004 (cigarette part 1: sampling).
4) trapping of hydrogen cyanide in cigarette mainstream flue gas: Fig. 2 illustrates the schematic diagram of capturing device of the present invention.As shown in Figure 2, by step 3) in cambridge filter after the balance that obtains load in drip catcher 2.By step 3) cigarette sample 1 that obtains is connected with drip catcher 2, the other end of drip catcher 2 connects pump unit 6 (SM450 smoking machine) by connecting line 3, according to the YC/T 253-2008 mensuration continuous flow method of hydrogen cyanide (in the cigarette mainstream flue gas) standard conditions smoking cigarette, often take turns suction 4, trap the hydrogen cyanide of gas phase and grain phase in cigarette sample main flume simultaneously.
5) pre-treatment of sample: after suction, cambridge filter is taken out from drip catcher, put into 100mL conical flask, above-mentioned conical flask is put into after using 1/4th filter disc wiping drip catcher protecgulum inwalls, add 50mL 0.01mol/L KOH solution, ultrasonic wash-out 30min, eluent is transferred in 100mL volumetric flask, and be settled to scale by 0.010mol/L KOH solution, obtain hydrogen cyanide eluent.Get about 10mL eluent with syringe, load in sample feeding pipe with after 0.45 μm of aqueous phase membrane filtration.
6) quantitative test: utilize ion chromatograph to detect hydrogen cyanide content in above-mentioned hydrogen cyanide eluent, adopt quantified by external standard method, concrete grammar is as follows:
6.1 standard solution preparations: the CN adding 1mL variable concentrations in 50mL volumetric flask
-0.010mol/L KOH solution, then use 0.01mol/L KOH solution constant volume scale, be prepared into standard solution, CN
-concentration is respectively 0.5mg/L, 1.0mg/L, 5.0mg/L, 10.0mg/L, 50.0mg/L.
6.2 adopt ion chromatograph to detect above-mentioned standard solution, with corresponding CN
-concentration (mg/L) is horizontal ordinate, and its response peak area is ordinate, drawing standard curve.Chromatography of ions condition is as follows:
Column temperature: 30 DEG C; Flow velocity: 1.2mL/min; Rejector electric current: 179mA; Sampling volume: 25 μ L; Mobile phase: KOH aqueous solution leacheate program is as table 2.
Table 2 KOH aqueous solution leacheate program
| Time (min) | KOH concentration (mmol/L) |
| 0 | 5 |
| 6 | 5 |
| 20 | 10 |
| 20.1 | 60 |
| 25 | 60 |
| 25.1 | 5 |
| 28.1 | 5 |
Recording regression equation is Y=0.0097+0.1841X, and related coefficient is 0.9994.
6.3 by the hydrogen cyanide eluent of chromatography of ions condition detection step 5 of step 6.2, and will measure response peak area substitution typical curve, CN in acquisition hydrogen cyanide eluent
-concentration.
6.4 CN recorded according to step 6.3
-concentration, calculated the hydrogen cyanide content often propped up in cigarette by following formula:
Wherein m is the content (unit: μ g/cig) of hydrogen cyanide in every cigarette, and c is the CN of hydrogen cyanide eluent
-concentration (unit: μ g/mL), v is the volume (unit: mL) of hydrogen cyanide eluent constant volume, and 27.03 is the molecular weight of hydrogen cyanide, and 26.02 is CN
-molecular weight, n be suction cigarette number.
As calculated, hydrogen cyanide content in the main flume of the Kentucky 3R4F reference cigarette of embodiment 1 ~ 3 is recorded as shown in table 3.
The hydrogen cyanide content of table 3 embodiment 1 ~ 3
| Embodiment is numbered | 1 | 2 | 3 |
| Hydrogen cyanide content (μ g/cig) | 103.0 | 105.5 | 102.1 |
Comparative example 1
Adopt industry standard methods (YC/T 253-2008) to test Kentucky 3R4F reference cigarette, test result is 106.2 μ g/cig.
As shown in table 4, the test result deviation of method of testing of the present invention and industry standard methods is not more than 4%, between 1% ~ 4%, shows that both method of the present invention and industry standard methods coincide good.
The hydrogen cyanide content of table 4 embodiment 1 ~ 3 and comparative example 1 and standard deviation
| Project | Embodiment 1 | Embodiment 2 | Embodiment 3 | Comparative example 1 |
| Hydrogen cyanide (μ g/cig) | 103.0 | 105.5 | 102.1 | 106.2 |
| SD | 3％ | 1％ | 4％ | -- |
The mensuration of embodiment 4 recovery
With 3 groups of Kentucky 3R4F reference cigarette for object, the method for employing embodiment 1 traps the hydrogen cyanide in its main flume.After suction trapping, cambridge filter is taken out from drip catcher, put into 100mL conical flask, above-mentioned conical flask is put into after using 1/4th filter disc wiping drip catcher protecgulum inwalls, add 50mL 0.010mol/L KOH solution, also add the CN-solution of basic, normal, high 3 kinds of concentration gradients respectively simultaneously, ultrasonic wash-out 30min, eluent is transferred in 100mL volumetric flask, and be settled to scale by 0.010mol/L KOH solution, obtain the mark-on solution of 3 groups of hydrogen cyanide eluents, and detect according to the ion chromatographic method that embodiment 1 is set up.The results are shown in following table as shown in table 5, the recovery of this method, between 93.4%-102.2%, meets the requirement of quantitative test:
The recovery of standard addition of table 5 embodiment 4
The mensuration of embodiment 5 capture rate
1) reagent used and instrument: with embodiment 1
2) filter disc preparation: with embodiment 1
3) cigarette sample prepares and sampling: with embodiment 1
4) trapping of hydrogen cyanide in cigarette mainstream flue gas: the device adopting prior art as shown in Figure 1 to measure hydrogen cyanide content in main flume measures capture rate.As shown in Figure 1, by step 3) in cambridge filter after the balance that obtains load in drip catcher 2, for trapping grain phase and gas phase hydrogen cyanide in main flume.Drip catcher 2 is connected with collecting trap 4 by connecting line 3, is contained with NaOH-ethylenediamine solution in collecting trap 4, and this NaOH-ethylenediamine solution is for trapping hydrogen cyanide residual in main flume.Collecting trap 4 is connected with pump unit 6 by connecting line 5.According to the YC/T 253-2008 mensuration continuous flow method of hydrogen cyanide (in the cigarette mainstream flue gas) standard conditions smoking cigarette, often take turns suction 4, trap the hydrogen cyanide of gas phase and grain phase in cigarette sample main flume simultaneously.
5) pre-treatment of sample: after suction, cambridge filter is taken out from drip catcher, put into 100mL conical flask, above-mentioned conical flask is put into after using 1/4th filter disc wiping drip catcher protecgulum inwalls, add 50mL 0.010mol/L KOH solution, ultrasonic wash-out 30min, eluent is transferred in 100mL volumetric flask, and be settled to scale by 0.010mol/L KOH solution, obtain hydrogen cyanide eluent.Get about 10mL eluent and trapping solution respectively with syringe, load in sample feeding pipe with 0.45 μm of aqueous phase membrane filtration.
6) quantitative test: by typical curve regression equation and the chromatography of ions condition of embodiment 1, detecting step 5) hydrogen cyanide eluent and NaOH-ethylenediamine trapping solution, and response peak area substitution typical curve will be measured, obtain CN in hydrogen cyanide eluent and NaOH-ethylenediamine trapping solution
-concentration.
As calculated, the CN in sample eluent is recorded
-concentration be 7.93mg/L, remain in the CN in NaOH-ethylenediamine trapping solution
-concentration minimum, be 0.07mg/L.Above-mentioned test confirms, the grain phase in main flume and gas phase hydrogen cyanide all trap by the cambridge filter containing solubility cupric salt, capture rate is 7.93/ (7.93+0.07)=99.125%, reaches more than 99%.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the field are to be understood that: still can modify to the specific embodiment of the present invention or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope of request of the present invention protection.
Claims (10)
1. trap a method for gas phase and grain phase hydrogen cyanide in cigarette mainstream flue gas, the method adopts the hydrogen cyanide in the glass fiber filter trapping main flume containing solubility cupric salt simultaneously.
2. the capture method of claim 1, described solubility cupric salt is be selected from one or more of following material: copper sulphate, copper sulfate hydrate, cupric chloride, cupric chloride hydrate, copper nitrate, copper nitrate hydrate, Schweinfurt green, Schweinfurt green hydrate.
3. the capture method of claim 1, every 15cm
2described is 0.001 ~ 0.5mmol containing the content of copper in the glass fiber filter of solubility cupric salt, is preferably 0.2 ~ 0.3mmol.
4. the capture method of claim 1, the wherein said glass fiber filter containing solubility cupric salt is prepared as follows: put on glass fiber filter by cupric salt solution, then dry, before using, this glass fiber filter is balanced certain hour under suitable relative humidity and temperature;
Relative humidity is preferably 60% ± 2%, and temperature is preferably 22 ± 1 DEG C, and equilibration time is preferably 48 hours;
Preferably, in described cupric salt solution, the concentration of copper ion is 10
-3~ 10
-1mol/L;
Preferably, every 15cm
2the amount of the cupric salt solution that glass fiber filter applies is 1 ~ 5ml, is preferably 2 ~ 3ml.
5. the capture method of any one of claim 1-4, wherein said glass fiber filter is cambridge filter, is preferably the cambridge filter of diameter 44mm.
6. the assay method of hydrogen cyanide content in cigarette mainstream flue gas, the method uses the hydrogen cyanide in the capture method trapping main flume of any one of claim 1 ~ 5.
7. the assay method of claim 6, the step that the method comprises the following steps or multistep:
1) use the hydrogen cyanide in the capture method trapping main flume of any one of claim 1 ~ 5, obtain the glass fiber filter that trapping has hydrogen cyanide;
2) there is the glass fiber filter of hydrogen cyanide with the trapping of KOH aqueous solution wash-out, obtain hydrogen cyanide eluent;
3) hydrogen cyanide content in hydrogen cyanide eluent is measured;
4) hydrogen cyanide content in cigarette mainstream flue gas is often propped up in calculating;
Preferred employing quantified by external standard method.
8. the assay method of claim 7, wherein step 3) use hydrogen cyanide content in ion-chromatographic determination hydrogen cyanide eluent;
Preferably, the described chromatography of ions is suppressed ion chromatography, suppresses electric current to be preferably 170 ~ 190 μ A, is more preferably 179 μ A.
9. the assay method of claim 8, the parameter of the described chromatography of ions is selected from following one or more:
A) ion column temperature: 25 ~ 35 DEG C, is preferably 30 DEG C;
B) flow velocity: 1.1 ~ 1.5mL/min, is preferably 1.2mL/min;
C) sampling volume: 20 ~ 30 μ L, is preferably 25 μ L;
D) mobile phase: KOH aqueous solution.
10. the assay method of claim 9, mobile phase KOH aqueous solution rinse procedures is as follows:
0 ~ 20min, KOH concentration is 5mmol/L,
20 ~ 20.1min, KOH concentration is 10mmol/L,
20.1 ~ 25.1min, KOH concentration is 60mmol/L,
25.1 ~ ~ 28.1min, KOH concentration is 5mmol/L.
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|---|---|---|---|
| CN201510507625.1A CN105004819B (en) | 2015-08-19 | 2015-08-19 | A kind of method of hydrogen cyanide content in measure cigarette mainstream flue gas |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105866351A (en) * | 2016-05-31 | 2016-08-17 | 安徽中烟工业有限责任公司 | Method for quickly measuring harmful ingredients in main stream smoke of cigarette |
| CN108402513A (en) * | 2018-04-26 | 2018-08-17 | 河北中烟工业有限责任公司 | A kind of scavenging conduit for the detection of cigarette purge and trap |
| CN110895231A (en) * | 2019-12-26 | 2020-03-20 | 贵州中烟工业有限责任公司 | Method for measuring moisture in aerosol of heated non-combustible cigarette |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103616452A (en) * | 2013-12-06 | 2014-03-05 | 中国烟草总公司郑州烟草研究院 | Determination method for experiment of simulating cigarette burning for generating hydrogen cyanide |
| CN103611505A (en) * | 2013-12-06 | 2014-03-05 | 中国烟草总公司郑州烟草研究院 | Preparation method, product and application of copper ion functionalized porous cellulose composite microsphere |
| CN103776972A (en) * | 2014-02-21 | 2014-05-07 | 中国烟草总公司郑州烟草研究院 | Method for determining filter tip entrapment quantity of hydrogen cyanide in main stream smoke of cigarettes |
| CN203597391U (en) * | 2013-12-06 | 2014-05-21 | 中国烟草总公司郑州烟草研究院 | Composite filter tip with copper ion functionalization porous cellulose composite microsphere |
-
2015
- 2015-08-19 CN CN201510507625.1A patent/CN105004819B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103616452A (en) * | 2013-12-06 | 2014-03-05 | 中国烟草总公司郑州烟草研究院 | Determination method for experiment of simulating cigarette burning for generating hydrogen cyanide |
| CN103611505A (en) * | 2013-12-06 | 2014-03-05 | 中国烟草总公司郑州烟草研究院 | Preparation method, product and application of copper ion functionalized porous cellulose composite microsphere |
| CN203597391U (en) * | 2013-12-06 | 2014-05-21 | 中国烟草总公司郑州烟草研究院 | Composite filter tip with copper ion functionalization porous cellulose composite microsphere |
| CN103776972A (en) * | 2014-02-21 | 2014-05-07 | 中国烟草总公司郑州烟草研究院 | Method for determining filter tip entrapment quantity of hydrogen cyanide in main stream smoke of cigarettes |
Non-Patent Citations (4)
| Title |
|---|
| GERHARD SCHERER: "Carboxyhemoglobin and thiocyanate as biomarkers of exposure to carbon monoxide and hydrogen cyanide in tobacco smoke", 《EXPERIMENTAL AND TOXICOLOGIC PATHOLOGY》 * |
| ZI-WEI ZHANG 等: "Direct determination of hydrogen cyanide in cigarette mainstream smoke by ion chromatography with pulsed amperometric detection", 《JOURNAL OF CHROMATOGRAPHY A》 * |
| 瞿先中 等: "连续流动法测定卷烟主流烟气中氰化氢的影响因素及方法改进", 《烟草科技》 * |
| 陈开波 等: "离子色谱法测定卷烟主流烟气中氢氰酸", 《中国烟草学报》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105866351A (en) * | 2016-05-31 | 2016-08-17 | 安徽中烟工业有限责任公司 | Method for quickly measuring harmful ingredients in main stream smoke of cigarette |
| CN108402513A (en) * | 2018-04-26 | 2018-08-17 | 河北中烟工业有限责任公司 | A kind of scavenging conduit for the detection of cigarette purge and trap |
| CN110895231A (en) * | 2019-12-26 | 2020-03-20 | 贵州中烟工业有限责任公司 | Method for measuring moisture in aerosol of heated non-combustible cigarette |
| CN110895231B (en) * | 2019-12-26 | 2022-08-19 | 贵州中烟工业有限责任公司 | Method for measuring moisture in aerosol of heated non-combustible cigarette |
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|---|---|
| CN105004819B (en) | 2017-03-15 |
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