CN206945374U - A kind of olfactory substance capturing device - Google Patents
A kind of olfactory substance capturing device Download PDFInfo
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- CN206945374U CN206945374U CN201720435149.1U CN201720435149U CN206945374U CN 206945374 U CN206945374 U CN 206945374U CN 201720435149 U CN201720435149 U CN 201720435149U CN 206945374 U CN206945374 U CN 206945374U
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Abstract
It the utility model is related to a kind of olfactory substance capturing device, the capturing device includes liquid storage bottle and receiving flask, the liquid storage bottle and receiving flask are provided with piston, the internal piston is hollow, including bulbous upper portion and bottom cock body, the piston is provided with hollow tube, aperture is distributed with the hollow tube, the hollow tube passes through from top land, and extend downwardly, air inlet is provided with the top of the hollow tube of the liquid storage bottle, the bulbous upper portion of the piston of liquid storage bottle is provided with connecting tube, the connecting tube at the top of the hollow tube of receiving flask with being connected, the bulbous upper portion of the piston of the receiving flask is provided with gas outlet.The utility model processing step is simple, only needs carrier gas purge, solvent can sample introduction analysis after trapping；Selectivity is good, and the sample of this method processing is after carrier gas purge, solvent trapping, and object has obtained selective enrichment in solution to be measured, and sample analysis is selectively improved.
Description
Technical field
A kind of capturing device is the utility model is related to, especially a kind of olfactory substance capturing device, belongs to analytical chemistry neck
Domain.
Background technology
Smell is caused by the permissive cell acted on as the corpuscle that object is diverged in air on nasal cavity.In nose
Have olfactory epithelium in chamber meatus conchae ethmoturbinalis minoris, the olfactory cell in olfactory epithelium, be olfactory organ peripheric receptor.The stimulant of smell must be
The molecule of gaseous matter, only volatile odoriferous substances, the stimulant of olfactory cell could be turned into.
Olfactory substance (refer specifically to the molecule of volatile odoriferous substances, mainly including animal scent, balsamic odour, burn gas
The odoring substances such as taste, chemical odor, fragrance scent, the fragrance of a flower and fruity) research to essence feed liquid, perfume material development and application and
Its application in cigarette product exploitation is safeguarded has great importance.Mainly there is top to the method for olfactory substance detection at present
Sky-gas chromatography mass spectrometry method and solid-phase microextraction method, often because medicinal extract class sample substrate complexity causes detection to be disturbed
Peak is more, and the degree of accuracy and repeatability as a result is bad.Disturbed because olfactory substance content is relatively low, during detection it is larger, before sample
The requirement of processing is higher, therefore, it is particularly important to develop a kind of capturing device for being exclusively used in olfactory substance detection.
The content of the invention
The utility model provides a kind of capturing device of olfactory substance detection, for the detection of olfactory substance, has fast
The advantages that fast, accurate.Technical scheme is as follows used by the utility model：
A kind of olfactory substance capturing device, the capturing device include liquid storage bottle and receiving flask, the liquid storage bottle and collection
Bottle is provided with piston, and the internal piston is hollow, including bulbous upper portion and bottom cock body, and the piston is provided with hollow tube, institute
State and aperture is distributed with hollow tube, the hollow tube passes through from top land, and extends downwardly, the hollow tube top of the liquid storage bottle
Portion is provided with air inlet, and the bulbous upper portion of the piston of liquid storage bottle is provided with the hollow tube top of connecting tube, the connecting tube and receiving flask
It is connected, the bulbous upper portion of the piston of the receiving flask is provided with gas outlet.
Further, the air inlet and gas outlet are provided with gas control valve.
Further, the liquid storage bottle and receiving flask are fixed by fixing device.
Further, the air inlet is passed through carrier gas, and the carrier gas is air or nitrogen.
The beneficial effects of the utility model are as follows：
(1), processing step is simple, only needs carrier gas purge, solvent can sample introduction analysis after trapping；
(2), selectivity is good, and the sample of this method processing is after carrier gas purge, solvent trapping, and object is in solution to be measured
Selective enrichment is obtained, sample analysis is selectively improved.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model olfactory substance capturing device.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the present embodiment is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only to a part of example of the utility model, rather than the example of whole.Base
Embodiment in the utility model, the institute that those of ordinary skill in the art are obtained under the premise of creative work is not paid
There is other embodiment, belong to the scope of the utility model protection.
Embodiment 1
As shown in figure 1, the olfactory substance capturing device of the present embodiment, including liquid storage bottle 1 and receiving flask 2, the liquid storage bottle 1
Piston is provided with receiving flask 2, the internal piston is hollow, including bulbous upper portion 3 and bottom cock body 4, and piston is provided with hollow
Pipe 5, aperture is distributed with hollow tube 5, hollow tube 5 passes through from top land, and extends downwardly, and is set at the top of the hollow tube of liquid storage bottle
There is air inlet, the bulbous upper portion of the piston of liquid storage bottle is provided with connecting tube, and the connecting tube is connected with the top of hollow tube 7 of receiving flask
Logical, the bulbous upper portion 8 of the piston of receiving flask is provided with gas outlet 12, and its underpart cock body 9 is inserted in receiving flask, and air inlet is provided with gas
Body regulating valve 6, gas outlet are provided with gas control valve 11.Liquid storage bottle and receiving flask are fixed by fixing device 10, in liquid storage bottle 2
Testing sample is smoked plum cream 1 (liquid medicinal extract) 10mL, and the trapping solution in receiving flask 6 is the mL of ethyl acetate 10.Carrier gas is sky
Gas, vavuum pump is terminated in gas outlet.
The application of the present embodiment is as follows：
5mL medicinal extract samples are taken into liquid storage bottle, 5mL trapping solvent ethyl acetate is added in gas bottle, open vavuum pump,
Using air as carrier gas, air inlet and the gas control valve control flow rate of carrier gas 0.05mL/min of gas outlet, trapping are adjusted
After 10min, enter the analysis of GC-MS combined instruments.
Carrier gas can also be nitrogen, and feeder is terminated in air inlet.5mL medicinal extract samples are taken into liquid storage bottle, in gas collection
Dichloromethane 5mL is added in bottle, is passed through nitrogen, controls flow rate of carrier gas 0.05mL/min, after trapping 10min, enters GC-MS combinations
Instrument is analyzed.
GC conditions are：Chromatographic column is the special capillary columns of VOC or equivalent post, length 60m × internal diameter 0.32mm ×
Thickness 1.8m；Carrier gas is helium (He)；Injector temperature is 160 DEG C；Constant current mode, column flow 1.0mL/min, split ratio 8:1；
Temperature programming is 30 DEG C, keeps 2min, is warming up to 190 DEG C with 3 DEG C/min speed, keeps 8min.Mass Spectrometry Conditions are：Ionization side
Formula is electron bombardment ionization source (EI), and ion source temperature is 200 DEG C, ionizing energy 60eV, ion source temperature：190℃；Transmission line temperature
Degree：230℃；Detection pattern：Full scan monitoring pattern, mass scan range：30amu~300amu；Solvent delay：1.0 min.
The relative amount of olfactive components is：Ethyl butyrate (0.09%), furfural (1.24%), ethyl isovalerate
(0.26%), 2- acetyl furans (0.13%), 2 methyl valeric acid (0.32%), benzaldehyde (0.26%), 5- methylfuran aldehyde
(0.21%), 2- vinyl -2,6,6- trimethyl tetrahydrochysene -2H- pyrans (0.19%), 1- octene -3- alcohol (0.16%), sorb
Sour methyl esters (0.06%), eudesmol (0.10%), phenmethylol (0.29%), sorbic acid (17.45%), ethyl sorbate
(0.83%), benzyl carbinol (0.29%), benzoic acid (2.69%), α-terpinol (0.64%), tea perfume spirane (0.73%),
2- methoxyl groups -3- (2- acrylic)-phenol (0.68%), dorinone (0.30%), α-damascenone (0.90%), dihydro-α -
Irisone (0.26%), α-ionone (6.75%), dihydro-β-ionone (23.04%), gamma decalactone
(2.26%), alpha, beta-lonone (39.39%), the just own ester (0.49%) of benzoic acid.7 replication results of same sample show
Show, the relative standard deviation of 27 kinds of olfactory substance detection relative amounts is between 0.12%~2.56%.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc., the utility model should be included in
Protection domain within.
Claims (4)
- A kind of 1. olfactory substance capturing device, it is characterised in that：The capturing device includes liquid storage bottle and receiving flask, the liquid storage Bottle and receiving flask are provided with piston, and the internal piston is hollow, including bulbous upper portion and bottom cock body, during the piston is provided with Blank pipe, aperture is distributed with the hollow tube, the hollow tube passes through from top land, and extends downwardly, the liquid storage bottle It is provided with air inlet at the top of hollow tube, the bulbous upper portion of the piston of liquid storage bottle is provided with connecting tube, in the connecting tube and receiving flask It is connected at the top of blank pipe, the bulbous upper portion of the piston of the receiving flask is provided with gas outlet.
- A kind of 2. olfactory substance capturing device according to claim 1, it is characterised in that：On the air inlet and gas outlet Provided with gas control valve.
- A kind of 3. olfactory substance capturing device according to claim 1, it is characterised in that：The liquid storage bottle and receiving flask by Fixing device is fixed.
- A kind of 4. olfactory substance capturing device according to one of claim 1-3, it is characterised in that：The air inlet is passed through Carrier gas, the carrier gas are air or nitrogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720435149.1U CN206945374U (en) | 2017-04-24 | 2017-04-24 | A kind of olfactory substance capturing device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720435149.1U CN206945374U (en) | 2017-04-24 | 2017-04-24 | A kind of olfactory substance capturing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106932238A (en) * | 2017-04-24 | 2017-07-07 | 云南中烟工业有限责任公司 | A kind of olfactory substance capturing device and application |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106932238A (en) * | 2017-04-24 | 2017-07-07 | 云南中烟工业有限责任公司 | A kind of olfactory substance capturing device and application |
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