CN207215761U - A kind of device for fast detecting of methanol in wine - Google Patents
A kind of device for fast detecting of methanol in wine Download PDFInfo
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- CN207215761U CN207215761U CN201721164811.0U CN201721164811U CN207215761U CN 207215761 U CN207215761 U CN 207215761U CN 201721164811 U CN201721164811 U CN 201721164811U CN 207215761 U CN207215761 U CN 207215761U
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- sample
- chromatographic column
- methanol
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Abstract
The utility model discloses a kind of device for fast detecting of methanol in wine, including sample gasifier, chromatographic column, gas cylinder, gas chromatograph and flame ionization ditector, connecting tube between the sample gasifier and chromatographic column is provided with flow control valve a, the gas cylinder connects chromatographic column by tracheae, and the chromatographic column is connected with gas chromatograph and flame ionization ditector respectively.The utility model is by the way that the integration of equipments for measuring methanol in wine content is integrated, sample is gasified after entering sample gasifier and entered according to certain speed in chromatographic column, contrasted according to the retention of each group swarming on the chromatogram of gas chromatograph and standard specimen carry out it is qualitative, using peak area or peak height, quantified in a manner of external standard.Whole detection means need not be complicated operation, after sample control flow rate is added, the data read on gas chromatograph can be completed to measure, and measuring speed is fast, it is simple to operate the characteristics of.
Description
Technical field
It the utility model is related to a kind of measurement apparatus, more particularly to a kind of device for fast detecting of methanol in wine.
Background technology
Methanol has strong toxicity to human body because methanol can be oxidized in human metabolism it is more stronger than methanol toxicity
Formaldehyde and formic acid (formic acid), therefore drink the wine containing methanol and can be led to blindness, hepatopathy, even dead.More than 4 milliliters are drunk by mistake just
Poisoning symptom occurs, can cause to blind because of the permanent destruction to optic nerve more than 10 milliliters, 30 milliliters can cause extremely
Die.
At present for the detection of methanol in wine, generally completed by laboratory, as patent CN103134863A discloses survey
Determine methanol in alcohol, normal propyl alcohol, isobutanol, the method for isoamyl alcohol content, be related to the method for measure alcohol.Include following step successively
Suddenly：(1) alcohol sample pre-treatments step：Sample alcohol is pipetted in volumetric flask, inner mark solution is added, is diluted with absolute ethyl alcohol
And scale is settled to, mix, as prepare liquid；(2) blank assay：Sample is not added with, repeats (1) step；(3) to gained sample and
Blank sample carries out gas chromatography-mass spectrography analysis.By improved method, detector is changed, realizes methanol in alcohol, just
The accurate quantification analysis of propyl alcohol, isobutanol, isoamyl alcohol content.
But the accurate sample size quantified in experiment is needed in laboratory, and due to more than experimental procedure, it is necessary to repeatedly
Operation could complete measurement, time of measuring length, complex operation.
The content of the invention
It is an object of the invention to：Can not accurately it be sampled for above-mentioned experiment indoor measurement methanol in wine, time of measuring
The problem of long, complex operation, the utility model provide it is a kind of can accurately sample, methanol device for fast detecting simple to operate.
The technical solution adopted by the present invention is as follows：
A kind of device for fast detecting of methanol in wine, including sample gasifier, chromatographic column, gas cylinder, gas chromatograph and
Flame ionization ditector, the connecting tube between the sample gasifier and chromatographic column are provided with flow control valve a, the gas
Bottle connects chromatographic column by tracheae, described tracheae one end connection gas cylinder, other end connection positioned at flow control valve a and chromatographic column it
Between connecting tube, flow control valve b is provided with the tracheae, the sample gasification bottle top is provided with sample inlet and sealing
Valve, the sample gasification bottle include volumetric flask and the heating passage on the outside of volumetric flask, precisely amount are provided with the volumetric flask
Chi, the chromatographic column are connected with gas chromatograph and flame ionization ditector respectively.
Further, the precisely gage includes being arranged on the sealing baffle below volumetric flask and below sealing baffle
Gas spring.
Further, the tracheae and connecting tube junction are at an acute angle.
Further, electrical heating is used in the heating passage.
In summary, by adopting the above-described technical solution, the beneficial effects of the invention are as follows：
1st, by the way that the integration of equipments for measuring methanol in wine content is integrated, sample gasifies the utility model into sample
Gasified after device and entered according to certain speed in chromatographic column, the gas in gas cylinder keeps carrier gas flux 1.0ml/min speed
Rate enters chromatographic column, has different distribution coefficients in gas-particle two-phase using measured each component, is formed in chromatographic column
The difference of migration velocity and separated.Component after separation successively flows out chromatographic column, into flame ionization ditector, root
Contrasted according to retention and the standard specimen of each group swarming on the chromatogram of gas chromatograph and carry out qualitative, utilize peak area ratio and concentration
Relation than between, is quantified in a manner of external standard.Whole detection means does not need complicated operation, is adding sample control flow speed
After rate, read gas chromatograph on data can complete to measure, measuring speed is fast, it is simple to operate the characteristics of.
2nd, the present apparatus needs certain pressure when adding sample, by controlling the pressure that sample enters with regard to that can control sample
The amount of entrance, reach the purpose being precisely controlled, prevent that the error due to sample measurement from causing measurement error.
Brief description of the drawings
Fig. 1 is structure chart of the present utility model；
Marked in figure：1- samples gasifier, 2- flow control valve a, 3- chromatographic column, 4- gas chromatographs, 5- hydrogen flames from
Sonization detector, 6- connecting tubes, 7- tracheaes, 8- flow control valve b, 9- gas cylinder, 1.1- volumetric flasks, 1.2- heating passage, 1.3-
Sample inlet, 1.4- sealing valves, 1.5- sealing baffles, 1.6- gas springs.
Embodiment
The present invention is elaborated with reference to Fig. 1.
Embodiment one：
As shown in figure 1, a kind of device for fast detecting of methanol in wine, including sample gasifier 1, chromatographic column 3, gas cylinder 9,
Gas chromatograph 4 and flame ionization ditector 5, the connecting tube 6 between the sample gasifier 1 and chromatographic column 3 are provided with
Flow control valve a2, the gas cylinder 9 connect chromatographic column 3, the one end of tracheae 7 connection gas cylinder 9, other end connection by tracheae 7
Connecting tube 6 between flow control valve a2 and chromatographic column 3, flow control valve b8, the sample are provided with the tracheae 7
Gasification bottle 1 top is provided with sample inlet 1.3 and sealing valve 1.4, and the sample gasification bottle 1 includes volumetric flask 1.1 and positioned at appearance
The heating passage 1.2 in the outside of measuring bottle 1.1, is provided with accurate gage in the volumetric flask 1.1, the chromatographic column 3 respectively with gas phase color
Spectrometer 4 and flame ionization ditector 5 connect.
In the present embodiment, sample to be tested is gasified after entering sample gasifier 1 and enters color according to certain speed
Compose in post 3, the gas in gas cylinder 9 keeps carrier gas flux 1.0ml/min speed to enter chromatographic column 3, utilizes measured each group
Divide has different distribution coefficients in gas-particle two-phase, and the difference of migration velocity is formed in chromatographic column 3 and is separated.Separation
Component afterwards successively flows out chromatographic column 3, into flame ionization ditector 5, according to each group on the chromatogram of gas chromatograph 4
The retention of swarming and standard specimen, which contrast, to carry out qualitative, using the relation between peak area ratio and concentration ratio, is determined in a manner of external standard
Amount.Whole detection means does not need complicated operation, after sample control flow rate is added, reads the number on gas chromatograph
According to that can complete to measure, measuring speed is fast, it is simple to operate the characteristics of.
Also, accurate gage is provided with the sample gasifier 1 in the present embodiment, can be with accurate measuring sample to be tested
Volume, prevent due to sample measurement error cause measurement error.
Embodiment two：
As a special case of accurate gage in embodiment one, accurate gage described in embodiment one includes being arranged on capacity
The sealing baffle 1.5 of the lower section of bottle 1.1 and the gas spring 1.6 positioned at the lower section of sealing baffle 1.5.
Because the movement of gas spring 1.6 needs certain pressure, therefore, sample to be tested will enter in sample gasifier 1
When need to keep certain pressure.Different pressure can enter the sample of different volumes, pass through the pressure for controlling sample to enter
The accurate measurement of sample can be achieved.
Embodiment three：
To enter the mode of chromatographic column after further optimization sample gasification, tracheae 7 described in embodiment one connects with connecting tube 6
Connect that place is at an acute angle, gas in gas cylinder moves towards the direction of chromatographic column 3, drives the sample after gasification to enter chromatographic column.
Example IV：
For further optimization sample gasifier, heated described in embodiment one in passage 1.2 and use heating water bath.Due to treating
Composition in test sample product is volatile substances, uses heating water bath, it is possible to achieve the methanol in testing sample is gasified totally,
Heat is stable.
It is embodiment of the present utility model as described above.The utility model is not limited to above-mentioned embodiment, anyone
The structure change made under enlightenment of the present utility model should be learnt, it is every that there is same or like skill with the utility model
Art scheme, each falls within the scope of protection of the utility model.
Claims (4)
- A kind of 1. device for fast detecting of methanol in wine, it is characterised in that, including sample gasifier (1), chromatographic column (3), gas Bottle (9), gas chromatograph (4) and flame ionization ditector (5), between the sample gasifier (1) and chromatographic column (3) Connecting tube (6) is provided with flow control valve a (2), and the gas cylinder (9) connects chromatographic column (3), the tracheae (7) by tracheae (7) One end connection gas cylinder (9), the other end connect the connecting tube (6) between flow control valve a (2) and chromatographic column (3), the gas Flow control valve b (8) is provided with pipe (7), described sample gasification bottle (1) top is provided with sample inlet (1.3) and sealing valve (1.4), the sample gasification bottle (1) includes volumetric flask (1.1) and the heating passage (1.2) on the outside of volumetric flask (1.1), institute State and accurate gage is provided with volumetric flask (1.1), the chromatographic column (3) is examined with gas chromatograph (4) and hydrogen flameionization respectively Survey device (5) connection.
- A kind of 2. device for fast detecting of methanol in wine according to claim 1, it is characterised in that the accurate gage Gas spring (1.6) including the sealing baffle (1.5) being arranged on below volumetric flask (1.1) and below sealing baffle (1.5).
- A kind of 3. device for fast detecting of methanol in wine according to claim 1, it is characterised in that the tracheae (7) It is at an acute angle with connecting tube (6) junction.
- A kind of 4. device for fast detecting of methanol in wine according to claim 1, it is characterised in that the heating passage (1.2) electrical heating is used in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721164811.0U CN207215761U (en) | 2017-09-12 | 2017-09-12 | A kind of device for fast detecting of methanol in wine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721164811.0U CN207215761U (en) | 2017-09-12 | 2017-09-12 | A kind of device for fast detecting of methanol in wine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207215761U true CN207215761U (en) | 2018-04-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721164811.0U Expired - Fee Related CN207215761U (en) | 2017-09-12 | 2017-09-12 | A kind of device for fast detecting of methanol in wine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207215761U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109342419A (en) * | 2018-12-07 | 2019-02-15 | 云南商测质量检验技术服务有限公司 | A kind of methanol in wine quick testing reagent and its application method |
| CN109470800A (en) * | 2018-12-31 | 2019-03-15 | 聚光科技(杭州)股份有限公司 | Chromatogram analysis method |
-
2017
- 2017-09-12 CN CN201721164811.0U patent/CN207215761U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109342419A (en) * | 2018-12-07 | 2019-02-15 | 云南商测质量检验技术服务有限公司 | A kind of methanol in wine quick testing reagent and its application method |
| CN109470800A (en) * | 2018-12-31 | 2019-03-15 | 聚光科技(杭州)股份有限公司 | Chromatogram analysis method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180410 Termination date: 20200912 |
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| CF01 | Termination of patent right due to non-payment of annual fee |