CN204159070U - A kind of solid-phase micro-extracting device of hydrogen bond acidic graphite ene coatings - Google Patents
A kind of solid-phase micro-extracting device of hydrogen bond acidic graphite ene coatings Download PDFInfo
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- CN204159070U CN204159070U CN201420232947.0U CN201420232947U CN204159070U CN 204159070 U CN204159070 U CN 204159070U CN 201420232947 U CN201420232947 U CN 201420232947U CN 204159070 U CN204159070 U CN 204159070U
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- hydrogen bond
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- bond acidic
- extracting device
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Abstract
A kind of solid-phase micro-extracting device of hydrogen bond acidic graphite ene coatings.It is the surface at quartz fibre, after activation, is coated with high temperature resistant degree epoxide-resin glue, method again by covering introduces hydrogen bond acidic graphite ene coatings, through heat ageing process, load solid-phase micro-extracting device, form the solid-phase micro-extracting device of hydrogen bond acidic graphite ene coatings.This device is especially applicable to analyzing containing Phosphorus organic compound.
Description
Technical field
The utility model relates to a kind of solid-phase micro-extracting device of hydrogen bond acidic graphite ene coatings, is especially applicable to analyzing containing Phosphorus organic compound.
Background technology
SPME is the analysis Sample Pretreatment Technique of extensive use, and have solvent-free extraction, the feature such as quick, easy, SPME combines sampling, and extraction, pre-concentration becomes a single step.This technology is applied to air, the sampling of the chemicals of many sample substrate types and detection in water and soil, is applicable to very much being combined with the multiple instrument such as gas-chromatography.The core of SPME is the coating of extracting fiber head, is the heart of SPME, and the thickness of coating and kind determine sensitivity and selective to a great extent.The development of development on SPME of new coating has vital impact,
At present, commercially widely usedly polydimethylsiloxane, polyacrylate PA, dimethyl silicone polymer/divinylbenzene PDMS/DVB etc. are comprised.Coating in addition for the extracting fiber head of experimental study also comprises various polymer coating, molecular engram coating etc.
SPME about Graphene or compound had some to report, the application of Graphene in SPME of Chen reported first, its extraction efficiency is higher than two kinds of commercial coatings.Li Gong sections etc. adopt chemical bonding to prepare the quartz fibre of the homogeneous Graphene coating of thickness, and so-gel method prepares zinc oxide/Graphene coating.Ponnusamy uses the Graphene of microwave method synthesis to be fixed on stainless steel fibre, and in detection water sample, organo-chlorine pesticide is residual.
But simple Graphene is poor because the compound of non-activity group to opposed polarity and functional group possesses functionally selective, cannot realize carrying out selective enrichment and extraction to multiple certain kinds compound.
Summary of the invention
The poor shortcoming of functionally selective is possessed in order to overcome existing simple Graphene due to the compound of non-activity group to opposed polarity and functional group.The present invention solves the solid-phase micro-extracting device of the hydrogen bond acidic graphite ene coatings being applicable to a kind of bonding modification analyzed containing Phosphorus organic compound, can having carrying out selective enrichment and sampling containing Phosphorus organic compound, being applicable to very much being combined with the multiple instrument such as gas-chromatography.
1. the utility model solves the technical scheme that its technical problem adopts and is: a kind of solid-phase micro-extracting device of hydrogen bond acidic graphite ene coatings, is characterized in that this device comprises: hollow metal sleeve pipe 1, quartz fibre 2, hydrogen bond acidic graphite alkene 3, high-temperature-resistant epoxy resin glue 4, micro syringe 5, sample introduction pushing ram head 6; Hydrogen bond acidic graphite alkene 3 is stained with after one end of quartz fibre 2 first scribbles high-temperature-resistant epoxy resin glue 4, the other end of quartz fibre 2 is bonding with sample introduction pushing ram head 6 through hollow metal sleeve pipe 1, micro syringe 5, and hollow metal sleeve pipe 1 and micro syringe 5 are threaded connection.
2. hydrogen bond acidic graphite alkene 3 is hexafluoroisopropanol base phenyl graft Graphene.
The beneficial effects of the utility model are, possesses the solid-phase micro-extraction fibre of the hydrogen bond acidic graphite ene coatings that bonding is modified, structure is simple, can have and carry out selective enrichment and sampling to containing Phosphorus organic compound, is applicable to very much being combined with the multiple instrument such as gas-chromatography.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is structural map of the present utility model.
1 hollow metal sleeve pipe in figure, 2 quartz fibres, 3 hydrogen bond acidic graphite alkene, 4 high-temperature-resistant epoxy resin glue-lines, 5 micro syringe bodys, 6 sample introduction pushing ram heads.
Fig. 2 is dormant state figure of the present utility model.1-hollow metal sleeve pipe, 3-is hydrogen bond acidic graphite alkene, 6-sample introduction pushing ram head.
Detailed description of the invention
In the embodiment shown in fig. 1, a kind of solid-phase micro-extracting device of hydrogen bond acidic graphite ene coatings, takes out inner wire in micro syringe 5 and is changed to quartz fibre 2, and quartz fibre 2 is through concentrated sulfuric acid activation, 1mol/L NaOH, 1mol/L HCl activation.The quartz fibre 2 of activation first scribbles the ethanolic solution of high-temperature-resistant epoxy resin glue 4, forming quartz fibre 2 skin is high-temperature-resistant epoxy resin glue 4, glue again and get hydrogen bond acidic graphite alkene 3 powder, the other end of quartz fibre 2 pass and be positioned at hollow metal sleeve pipe 1, micro syringe 5 is bonding with sample introduction pushing ram head 6, hollow metal sleeve pipe 1 and micro syringe 5 are threaded connection.Hydrogen bond acidic graphite alkene 3 is hexafluoroisopropanol base phenyl graft graphene layer, solidification 24hr, insert 200 DEG C of aging 5hr of gas-chromatography vaporizer, through high temperature ageing, obtain the solid-phase micro-extracting device of hydrogen bond acidic graphite ene coatings, use sample introduction pushing ram head 6 to pull hydrogen bond acidic graphite alkene 3 coated fiber head during dormant state of not sampling and enter in hollow metal sleeve pipe 1; When sampling or sample injection time use, sample introduction pushing ram head 6 is released hydrogen bond acidic graphite alkene 3 coated fiber head and is gone out hollow metal sleeve pipe 1.
Claims (2)
1. a solid-phase micro-extracting device for hydrogen bond acidic graphite ene coatings, is characterized in that this device comprises: hollow metal sleeve pipe (1), quartz fibre (2), hydrogen bond acidic graphite alkene (3), high-temperature-resistant epoxy resin glue (4), micro syringe (5), sample introduction pushing ram head (6); Hydrogen bond acidic graphite alkene (3) is stained with after one end of quartz fibre (2) first scribbles high-temperature-resistant epoxy resin glue (4), the other end of quartz fibre (2) is bonding with sample introduction pushing ram head (6) through hollow metal sleeve pipe (1), micro syringe (5), and hollow metal sleeve pipe (1) and micro syringe (5) are threaded connection.
2. solid-phase micro-extracting device as described in claim 1, is characterized in that hydrogen bond acidic graphite alkene (3) is for hexafluoroisopropanol base phenyl graft Graphene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420232947.0U CN204159070U (en) | 2014-05-08 | 2014-05-08 | A kind of solid-phase micro-extracting device of hydrogen bond acidic graphite ene coatings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420232947.0U CN204159070U (en) | 2014-05-08 | 2014-05-08 | A kind of solid-phase micro-extracting device of hydrogen bond acidic graphite ene coatings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204159070U true CN204159070U (en) | 2015-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420232947.0U Expired - Fee Related CN204159070U (en) | 2014-05-08 | 2014-05-08 | A kind of solid-phase micro-extracting device of hydrogen bond acidic graphite ene coatings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204159070U (en) |
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2014
- 2014-05-08 CN CN201420232947.0U patent/CN204159070U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150218 Termination date: 20180508 |
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| CF01 | Termination of patent right due to non-payment of annual fee |