CN201753260U - Automatic hydride generating system for organic tin head-space solid-phase micro-extraction - Google Patents
Automatic hydride generating system for organic tin head-space solid-phase micro-extraction Download PDFInfo
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- CN201753260U CN201753260U CN2010202733201U CN201020273320U CN201753260U CN 201753260 U CN201753260 U CN 201753260U CN 2010202733201 U CN2010202733201 U CN 2010202733201U CN 201020273320 U CN201020273320 U CN 201020273320U CN 201753260 U CN201753260 U CN 201753260U
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- peristaltic pump
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Abstract
The utility model discloses an automobile hydride generating system for organic tin head-space solid-phase micro-extraction, which comprises a control unit, a hydride generating bottle, a first trace metering pump, a second trace metering pump, a first peristaltic pump, a second peristaltic pump and a third peristaltic pump. Corresponding output ends of the control unit are respectively connected with control ends of the first trace metering pump, the second trace metering pump, the first peristaltic pump, the second peristaltic pump and the third peristaltic pump, and the hydride generating bottle is respectively communicated with a buffering liquor bottle, a hydrogenation reagent bottle, a to-be-tested sample bottle, a pure water bottle and a liquid draining bottle via pipelines respectively provided with the first trace metering pump, the second trace metering pump, the first peristaltic pump, the second peristaltic pump and the third peristaltic pump. The automatic hydride generating system automatically completes liquid feeding, reaction, washing, liquid drainage and the like without manual interference, and realizes automation of hydrogenation.
Description
Technical field
The utility model relates to a kind of hydride generating system, especially a kind of automatic hydride generating system that is used for organotin headspace solid-phase microextraction.
Background technology
Organo-tin compound be tin and carbon directly in conjunction with formed organometallics, comprise 4 types: tetra hydrocarbyl stannic compound (R
4Sn), trialkylated tin compound (R
3SnX), dialkyl tin compound (R
2SnX
2) and a diorganotin compound (RSnX
3), R is an alkyl or aryl etc. in the above-mentioned general formula, X is inorganic or organic acid, oxygen or haloid element etc.Organotin is a kind of human body and biology all to be had huge toxic material, at marine field, organotin is mainly used in the antifouling paint of ocean hull, being one of the most malicious chemical of human factor introducing ocean environment, wherein mainly is tributyltin chloride (TBT) and triphenyltin chloride (TPT).
In order to control the harm of organotin, need to monitor in real time the content of organotin in the seawater, because the seawater matrix is very complicated, the content of organotin is very little, adopt conventional means can't measure the content of organotin, now often utilize the reaction of organotin and hydroborating reagent to generate and have the characteristic of volatile hydride, organotin is converted into hydride, adopt headspace solid-phase microextraction (HS-SPME) technology again, extract volatile organotin hydride, reach and separate and the enrichment purpose content of the organotin hydride of quantitative assay volatility then.
But the pre-treatment process of present generation hydride all adopts manual mode to carry out, and all by manually finishing, its process is loaded down with trivial details such as liquid feeding, cleaning, discharge opeing etc., time-consuming, effort, and the poor reproducibility of test result, the condition of discontented when full, on-line analysis; And existing hydride generator, as application number is that 200820109646.3 Chinese patent disclosed " hydride generator " and application number are 200720103197.7 Chinese patent disclosed " the water sample ultra-trace tribute measuring apparatus that is used for Atomic Fluorescence Spectroscopy (AFS) ", be applicable to atomic absorption spectrophotometer or Atomic Fluorescence Spectroscopy (AFS) to be connected, be not suitable for being connected with the headspace solid-phase microextraction device.
The utility model content
The technical problems to be solved in the utility model provides a kind of test result circulation ratio height, satisfies the automatic hydride generating system that is used for organotin headspace solid-phase microextraction of on-line analysis condition.
For solving the problems of the technologies described above, technical solution adopted in the utility model is: comprise that bottle, the first micro-measurement pump, the second micro-measurement pump, first peristaltic pump, second peristaltic pump and the 3rd peristaltic pump take place for control unit, hydride; The corresponding output end of described control unit connects the control end of the first micro-measurement pump, the second micro-measurement pump, first peristaltic pump, second peristaltic pump and the 3rd peristaltic pump respectively; The import of the described first micro-measurement pump, the second micro-measurement pump, first peristaltic pump and second peristaltic pump is communicated with buffered soln bottle, hydroborating reagent bottle, testing sample bottle and pure water bottle by pipeline respectively, and the described first micro-measurement pump, the second micro-measurement pump, first peristaltic pump and the second wriggling pump outlet are communicated with 4 Link Ports that bottle takes place described hydride by pipeline respectively; The import of described the 3rd peristaltic pump and outlet are communicated with Link Port and the discharge opeing bottle that bottle takes place hydride by pipeline respectively.
Also comprise and be arranged on the induction stirring instrument that the bottle bottom takes place hydride; The corresponding output end of described control unit connects the control end of induction stirring instrument.
The bottleneck that bottle takes place described hydride is provided with rubber plug, and described rubber plug is provided with the through hole that is used to prick the extraction pin.
The utility model is controlled the first micro-measurement pump, the second micro-measurement pump and first peristaltic pump add-on with accurate control buffered soln, hydroborating reagent and sample by control unit; And control the adding step of various solution, reaction times and cleaning, discharge opeing and the stirring etc. of hydride by control unit.
Adopt the beneficial effect that technique scheme produced to be: the utility model is finished functions such as liquid feeding, reaction, cleaning and discharge opeing automatically, need not manually to intervene, realized hydrotreated automatization, not only saved trouble, laborsaving, make organotin in real time, on-line testing becomes possibility; Test result circulation ratio height of the present utility model.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a program control flow chart of the present utility model.
Embodiment
The utility model comprises that bottle 6, the first micro-measurement pump 3, the second micro-measurement pump 2, first peristaltic pump 12, second peristaltic pump 13 and the 3rd peristaltic pump 9 take place for control unit 1, hydride; The corresponding output end of described control unit 1 connects the control end of the first micro-measurement pump 3, the second micro-measurement pump 2, first peristaltic pump 12, second peristaltic pump 13 and the 3rd peristaltic pump 9 respectively; The import of the described first micro-measurement pump 3, the second micro-measurement pump 2, first peristaltic pump 12 and second peristaltic pump 13 is communicated with buffered soln bottle 4, hydroborating reagent bottle 5, testing sample bottle 11 and pure water bottle 10 by pipeline respectively, and the outlet of the described first micro-measurement pump 3, the second micro-measurement pump 2, first peristaltic pump 12 and second peristaltic pump 13 is communicated with 4 Link Ports that bottle 6 takes place described hydride by pipeline respectively; The import of described the 3rd peristaltic pump 9 and outlet are communicated with by the Link Port and the discharge opeing bottle 8 of pipeline and hydride generation bottle 6 bottoms respectively.
The utility model also comprises the induction stirring instrument 7 that is arranged on hydride generation bottle 6 bottoms; The corresponding output end of described control unit 1 connects the control end of induction stirring instrument 7.
The bottleneck that bottle takes place described hydride is provided with rubber plug, and described rubber plug is provided with the through hole that is used to prick extraction pin 14.
The example that is determined as with organotin in the seawater illustrates working process of the present utility model below, referring to Fig. 2.
1. after enabled instruction was received by system, by controlling first peristaltic pump 12 injects 1000mL in bottle 6 takes place hydride seawater, the flow velocity that first peristaltic pump 12 is set was every millisecond of 5.5 microlitre, and sample injection time is 182 seconds; After 60 seconds, control unit 1 control induction stirring instrument 7 starts induction stirring at the seawater sample introduction; When feed liquor after 182 seconds, to control the 3rd peristaltic pump 9 and discharge opeings in the bottle 6 take place from hydride, the flow velocity that the 3rd peristaltic pump 9 is set is every millisecond of 5.5 microlitre, when discharge opeing stopped induction stirring after 120 seconds, continues discharge opeing simultaneously 70 seconds, finishes the rinse operation.
2. control unit is controlled first peristaltic pump 12 again and is advanced seawater with the flow velocity of every millisecond of 5.5 microlitre in bottle 6 takes place hydride, and sample injection time is 182 seconds, starts induction stirring instrument 7 then; Controlling the first micro-measurement pump 3 again, to add pH with every millisecond of flow velocity of 1.1 microlitres be that 6.0 acetic acid-sodium acetate buffer solution to hydride bottle takes place after 6,91 seconds, and controlling the second micro-measurement pump 2, to add weight concentration with 52 microliters per second flow velocitys be 3%NaBH
4Hydroborating reagent, sample injection time are 58 seconds; To extract pin 14 by the through hole on the rubber plug of hydride generation bottle 6 then and penetrate, extract after 10 minutes, stop induction stirring; The solution that hydride takes place in the bottle 6 is discharged by the 3rd peristaltic pump 9, and the flow velocity that the 3rd peristaltic pump 9 is set is every millisecond of 5.5 microlitre, after 201 seconds, finishes the operation of hydride extraction and discharge opeing.
3. control second peristaltic pump 13 by control unit and in bottle 6 takes place hydride, inject pure water with every millisecond of flow velocity of 6.5 microlitres, start induction stirring instrument 7 after 60 seconds, continue 117 seconds laggard liquid measures of feed liquor and reach set amount, control unit begins discharge opeing when controlling the 3rd peristaltic pump 9 with every millisecond of flow velocity of 5.5 microlitres, when discharge opeing after 140 seconds, control induction stirring instrument 7 stops to stir, and continues discharge opeing and stops the 3rd peristaltic pump 9 after 70 seconds, finish and clean action, system standby.
To sum up, adopt the utility model can make the hydride generation fully automated of seawater organotin, solved the manual operation poor reproducibility, and problem time-consuming, effort; Can fit into to navigate with gas chromatograph and carry use, can reach original position, real-time, online assay determination, can satisfy the needs that various maritime patrol department carries out the navigation monitoring the seawater organotin.
Claims (3)
1. automatic hydride generating system that is used for organotin headspace solid-phase microextraction, it is characterized in that, comprise that bottle (6), the first micro-measurement pump (3), the second micro-measurement pump (2), first peristaltic pump (12), second peristaltic pump (13) and the 3rd peristaltic pump (9) take place for control unit (1), hydride; The corresponding output end of described control unit (1) connects the control end of the first micro-measurement pump (3), the second micro-measurement pump (2), first peristaltic pump (12), second peristaltic pump (13) and the 3rd peristaltic pump (9) respectively; The import of the described first micro-measurement pump (3), the second micro-measurement pump (2), first peristaltic pump (12) and second peristaltic pump (13) is communicated with buffered soln bottle (4), hydroborating reagent bottle (5), testing sample bottle (11) and pure water bottle (10) by pipeline respectively, and the outlet of the described first micro-measurement pump (3), the second micro-measurement pump (2), first peristaltic pump (12) and second peristaltic pump (13) is communicated with 4 Link Ports that bottle (6) takes place described hydride by pipeline respectively; Bottle Link Port and the discharge opeing bottle (8) of (6) bottom takes place by pipeline and hydride respectively and is communicated with in the import of described the 3rd peristaltic pump (9) and outlet.
2. the automatic hydride generating system that is used for organotin headspace solid-phase microextraction according to claim 1 is characterized in that also comprising the induction stirring instrument (7) that is arranged on hydride generation bottle (6) bottom; The corresponding output end of described control unit (1) connects the control end of induction stirring instrument (7).
3. the automatic hydride generating system that is used for organotin headspace solid-phase microextraction according to claim 2 is characterized in that the bottleneck of described hydride generation bottle (6) is provided with rubber plug, and described rubber plug is provided with the through hole that is used for pricking extraction pin (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202733201U CN201753260U (en) | 2010-07-28 | 2010-07-28 | Automatic hydride generating system for organic tin head-space solid-phase micro-extraction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202733201U CN201753260U (en) | 2010-07-28 | 2010-07-28 | Automatic hydride generating system for organic tin head-space solid-phase micro-extraction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201753260U true CN201753260U (en) | 2011-03-02 |
Family
ID=43620991
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202733201U Expired - Lifetime CN201753260U (en) | 2010-07-28 | 2010-07-28 | Automatic hydride generating system for organic tin head-space solid-phase micro-extraction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201753260U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101913562A (en) * | 2010-07-28 | 2010-12-15 | 河北科技大学 | Automatic hydride generating system used for organotin headspace solid-phase microextraction |
| CN101936963A (en) * | 2010-07-28 | 2011-01-05 | 河北科技大学 | Automatic test instrument for organic tin |
-
2010
- 2010-07-28 CN CN2010202733201U patent/CN201753260U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101913562A (en) * | 2010-07-28 | 2010-12-15 | 河北科技大学 | Automatic hydride generating system used for organotin headspace solid-phase microextraction |
| CN101936963A (en) * | 2010-07-28 | 2011-01-05 | 河北科技大学 | Automatic test instrument for organic tin |
| CN101936963B (en) * | 2010-07-28 | 2012-10-03 | 河北科技大学 | Automatic test instrument for organic tin |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110302 Effective date of abandoning: 20120711 |