CN104535679B - A kind ofly be suitable for being enclosed in the chromatography of ions device using in glove box - Google Patents
A kind ofly be suitable for being enclosed in the chromatography of ions device using in glove box Download PDFInfo
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- CN104535679B CN104535679B CN201410815438.5A CN201410815438A CN104535679B CN 104535679 B CN104535679 B CN 104535679B CN 201410815438 A CN201410815438 A CN 201410815438A CN 104535679 B CN104535679 B CN 104535679B
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Abstract
The invention belongs to technical field of analytical chemistry, disclose a kind of chromatography of ions device using in glove box that is suitable for being enclosed in. This device comprises leacheate induction system, sampling system, piece-rate system, TVS, detector, signal amplifier, data handling system and circuit control system, and wherein sampling system, piece-rate system, TVS, detector, signal amplifier are positioned in glove box; Leacheate induction system, circuit control system and data handling system are positioned at outside glove box, leacheate induction system is connected with sampling system by feed liquid feed-line, and the conductivity signal of detector output is connected with data handling system by data wire after signal amplifier amplifies. That this device has advantages of is simple to operate, volume is small and exquisite, can be placed in glove box and can realize radioactive sample ions content Accurate Analysis.
Description
Technical field
The invention belongs to technical field of analytical chemistry, be specifically related to a kind of be suitable for being enclosed in glove box, use fromSub-chromatogram arrangement.
Background technology
Ion chromatograph is as the conventional analytical instrument of sample analysis, its mensuration have in radioactive sample fromOn sub-content, also there is generally application, especially in the mensuration for radioactive sample anions, have otherThe effect that analytical method cannot replace.
Ion chromatograph is compact overall structure, and it comprises leacheate induction system, sampling system, separationSystem, detection system, inhibition system and circuit control system etc. Because commercial ion chromatograph volume is excessive,Between each system, connect closely, circuit control etc. is integrated in inside instrument more, and the circuit in chromatograph etc. is easily subject toThe corrosion of aerosol and acidity in glove box and damaging, instrument cannot bear aerosol and acid in glove box on the wholeSpend and burn into damage, while therefore carrying out radioactive sample analysis, can not directly ion chromatograph be placed into glovesIn case. At present, utilize ion chromatograph analyze the method for radioactive sample be place it in vent cabinet orThe measurement operation of the enterprising line correlation sample of operating desk in laboratory, be first by radioactive sample to be determined at handIn casing, carry out after pretreatment, reduce the radioactivity of sample, then sample after treatment is migrated out from glove boxCome, use chromatography of ions to measure. This method of operating is complex operation step, the reality that also easily causes consuming time not onlyTest the pollution of chamber, increased the suffered dose of radiation of operating personnel. And a lot of highly radioactive samples are through pretreatmentCan not drop to the radioactive level that migrates out glove box, therefore such sample can not use ion chromatography,And use other chemical analysis method more complicated and consuming time.
Therefore, be badly in need of now a kind ofly can being arranged on the ion of analyzing the horizontal solution example of high radioactivity in glove boxChromatogram arrangement, while making to analyze radioactive sample easily and fast and can effectively avoid laboratory environment pollute.
Summary of the invention
(1) goal of the invention
According to the existing problem of prior art, the invention provides a kind of simple to operate, volume is small and exquisite, can putIn glove box and can realize the chromatography of ions device to radioactive sample ions content Accurate Analysis.
(2) technical scheme
In order to solve the existing problem of prior art, the present invention is achieved by the following technical solutions:
Be suitable for being enclosed in the chromatography of ions device using in glove box, this device comprises leacheate delivery systemSystem, sampling system, piece-rate system, TVS, detector, signal amplifier, data handling system and circuitControl system, wherein sampling system, piece-rate system, TVS, detector and signal amplifier are positioned over glovesIn case; Leacheate induction system, circuit control system and data handling system are positioned at outside glove box, and leacheate is defeatedSend system to be connected with sampling system by feed liquid feed-line, the conductivity signal of detector output is put through signalAfter amplifying, large device is connected with data handling system by data wire.
Preferably, described piece-rate system, TVS, detector, signal amplifier are all fixed on a L-typeOn support, wherein TVS, detector, signal amplifier are arranged in accordance with the order from top to bottom and are positioned at oneIn integral box, this integral box casing is fixed on the vertical edge of L-type support.
Preferably, described sampling system is fixed on a tilted supporter, the two ends of this tilted supporter respectively with L-typeThe vertical edge of support is fixedly connected with horizontal sides; Sampling system comprise sampling injector, injection port, six-way valve andQuantitatively ring; Wherein said six-way valve respectively with the injection port of leacheate entrance, sampling system, quantitatively ring and separateThe splitter of system is connected; Described sampling injector is delivered to testing sample solution by quantitative ring and pipelinePiece-rate system.
Preferably, described piece-rate system comprises chromatography column, and it is fixed on the upper end of L-type support vertical edge;Chromatography column is connected with TVS by pipeline.
Preferably, described leacheate induction system is connected with six-way valve by leacheate entrance, leacheate entrance positionIn a side of the nearly six-way valve of L-type support level edge joint.
Preferably, the upper end of described L-type support vertical edge is equipped with data transmission joint, and conductivity signal passes throughThis data transmission joint is to data handling system signal transmission.
Preferably, described L-type support is fixed on a stainless steel base.
Preferably, the material of described base and L-type support is stainless steel.
(3) beneficial effect
Chromatography of ions device provided by the invention is divided into two parts, wherein by leacheate induction system and data processingSystem is placed in outside glove box, and remainder is positioned at glove box, and part in glove box is separately fixed atOn a L-type support and a tilted supporter. This device has following beneficial effect:
(1) feed liquid transport portion and data processing section are arranged on outside glove box, have reduced glove box as far as possibleThe volume of interior chromatography of ions device part, is convenient to operate chromatography of ions device in the glove box of narrow space.Also, while having avoided analyzing the sample of radioactive sample or higher acidity, acid or the radioactivity gas of sample volatilization are molten simultaneouslyThe impact that glue produces circuit control system.
(2) be positioned at the part-structure compactness of glove box, reduce sample introduction dead volume as far as possible. By sampling system,Piece-rate system, TVS, detector, signal amplifier are fixed on two supports, and structure is very compact, to the greatest extentAmount has reduced dead volume. Especially TVS, detector, signal amplifier are all arranged in an integral box,In making structure compacter, can also increase its service life.
(3), for ease of operating, data wire transfer connector and leacheate entrance are laid respectively to L in glove boxThe upper end of the vertical edge of type support and horizontal sides.
Brief description of the drawings
Fig. 1 is chromatography of ions device front elevational schematic provided by the invention; Wherein 1 is splitter; The 2nd, sample introductionSyringe; The 3rd, injection port; The 4th, six-way valve handle; The 5th, leacheate entrance; The 6th, base; The 7th, data passDefeated joint; The 8th, integral box.
Fig. 2 is chromatography of ions device schematic side view provided by the invention, and wherein 9 is L-type supports, the 10th,Tilted supporter.
Detailed description of the invention
Below in conjunction with specific embodiment and Figure of description, the present invention is further elaborated.
Embodiment 1
Be suitable for being enclosed in the chromatography of ions device using in glove box, as depicted in figs. 1 and 2, this deviceComprise leacheate induction system, sampling system, piece-rate system, TVS, detector, signal amplifier, numberAccording to treatment system and circuit control system, wherein sampling system, piece-rate system, TVS, detector are and sampleProduct have the part of direct contact, are positioned in glove box; Leacheate induction system, circuit control system and numberBe positioned at outside glove box according to treatment system, leacheate induction system is connected with sampling system by feed liquid feed-lineConnect, the conductivity signal of detector output after signal amplifier amplifies by data wire and data handling system phaseConnect, wherein signal amplifier is positioned at the rear end of glove box internal detector.
It is stainless that described piece-rate system, TVS, detector, signal amplifier are all fixed on a materialOn L-type support 9, wherein TVS, detector, signal amplifier are arranged and position in accordance with the order from top to bottomIn an integral box, this integral box casing is fixed on the vertical edge of L-type support 9.
Described sampling system is fixed on a tilted supporter 10, and prop up with L-type respectively at the two ends of this tilted supporter 10The vertical edge of frame is fixedly connected with horizontal sides; Sampling system comprises sampling injector 2, injection port 3, six-way valveAnd quantitatively encircle; Wherein said six-way valve respectively with the injection port 3 of leacheate entrance 5, sampling system, quantitatively ringAnd the splitter 1 of piece-rate system is connected; Described sampling injector is by quantitatively ring and pipeline are molten by testing sampleLiquid is delivered to piece-rate system.
Described piece-rate system comprises chromatography column, and it is fixed on the upper end of L-type support 9 vertical edges; ChromatogramSplitter is connected with TVS by pipeline.
Described leacheate induction system is connected with six-way valve by leacheate entrance 5, and leacheate entrance 5 is positioned at LOne side of the nearly six-way valve of type support level edge joint.
The upper end of described L-type support vertical edge is equipped with data transmission joint 7, and conductivity signal connects by these dataHead is to data handling system signal transmission. Described L-type support is fixed on a base.
The chromatography of ions device that the application is provided is measured certain density MBP and the DBP aqueous solution, first willThe sensitivity of instrument is adjusted to 10 μ s, with the Cl of 0.50mg/L-Peak height be full scale, instrument operation 40min,Detect its baseline noise, baseline drift and minimum concentrations (100 μ L quantity tube), draw:
Baseline noise is 0.3%FS, and baseline drift is 2.0%FS, MBP2-、DBP-Minimum concentrationsBe respectively 0.33 μ mol/L and 0.29 μ mol/L. Then measuring appliance retention time and peak height, and calculate its standardDeviation, as table 1.
Table 1MBP2-And DBP2-The repetition measurement result of measurement
By above test, draw the pertinent instruments stable performance of the rear ion chromatograph of sealing, can be at glovesIn case, directly carry out ion analysis test job.
Claims (6)
1. be suitable for being enclosed in the chromatography of ions device using in glove box, it is characterized in that, this device comprisesLeacheate induction system, sampling system, piece-rate system, TVS, detector, signal amplifier, data placeReason system and circuit control system, wherein sampling system, piece-rate system, TVS, detector and signal amplifyDevice is positioned in glove box; Leacheate induction system, circuit control system and data handling system are positioned at glove boxOutward, leacheate induction system is connected with sampling system by feed liquid feed-line, the electrical conductivity of detector outputSignal is connected with data handling system by data wire after signal amplifier amplifies;
Described piece-rate system, TVS, detector, signal amplifier are all fixed on a L-type support,Wherein TVS, detector, signal amplifier are arranged in accordance with the order from top to bottom and are positioned at an integral box,This integral box casing is fixed on the vertical edge of L-type support.
2. a kind of chromatography of ions device using in glove box that is suitable for being enclosed according to claim 1, itsBe characterised in that, described sampling system is fixed on a tilted supporter, and prop up with L-type respectively at the two ends of this tilted supporterThe vertical edge of frame is fixedly connected with horizontal sides; Sampling system comprises sampling injector, injection port, six-way valve and fixedAmount ring; Wherein said six-way valve respectively with the injection port of leacheate entrance, sampling system, quantitatively ring and segregative lineThe splitter of system is connected; Described sampling injector is delivered to testing sample solution point by quantitative ring and pipelineFrom system.
3. a kind of chromatography of ions device using in glove box that is suitable for being enclosed according to claim 1, itsBe characterised in that, described piece-rate system comprises chromatography column, and it is fixed on the upper end of L-type support vertical edge;Chromatography column is connected with TVS by pipeline.
4. a kind of chromatography of ions device using in glove box that is suitable for being enclosed according to claim 1, itsBe characterised in that, described leacheate induction system is connected with six-way valve by leacheate entrance, and leacheate entrance is positioned atOne side of the nearly six-way valve of L-type support level edge joint.
5. a kind of chromatography of ions device using in glove box that is suitable for being enclosed according to claim 1, itsBe characterised in that, the upper end of described L-type support vertical edge is equipped with data transmission joint, and conductivity signal is by being somebody's turn to doData transmission joint is to data handling system signal transmission.
6. a kind of chromatography of ions device using in glove box that is suitable for being enclosed according to claim 1, itsBe characterised in that, described L-type support is fixed on a stainless steel base.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410815438.5A CN104535679B (en) | 2014-12-23 | 2014-12-23 | A kind ofly be suitable for being enclosed in the chromatography of ions device using in glove box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410815438.5A CN104535679B (en) | 2014-12-23 | 2014-12-23 | A kind ofly be suitable for being enclosed in the chromatography of ions device using in glove box |
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| CN104535679A CN104535679A (en) | 2015-04-22 |
| CN104535679B true CN104535679B (en) | 2016-05-04 |
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| CN107970458A (en) * | 2018-01-03 | 2018-05-01 | 山东省肿瘤防治研究院（山东省肿瘤医院） | A kind of positron emitting tracer Fully automated synthesis module based on 18F-BF3 marks |
| CN109557231A (en) * | 2018-12-29 | 2019-04-02 | 中国原子能科学研究院 | A kind of closed headspace gas chromatography device suitable for radioactive sample analysis |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201016967Y (en) * | 2007-02-15 | 2008-02-06 | 青岛盛瀚色谱技术有限公司 | Ion chromatograph |
| CN203148907U (en) * | 2013-02-04 | 2013-08-21 | 北京历元电子仪器有限公司 | Portable ion chromatograph |
| CN103728246A (en) * | 2013-12-18 | 2014-04-16 | 中国原子能科学研究院 | Seal type measuring device for glove box |
| CN204302248U (en) * | 2014-12-23 | 2015-04-29 | 中国原子能科学研究院 | A kind of being suitable for is enclosed in the ion chromatography apparatus used in glove box |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5267491B2 (en) * | 2010-03-15 | 2013-08-21 | 三菱化学株式会社 | Sugar chain separation method, sample analysis method, liquid chromatography apparatus, sugar chain analysis method and sugar chain analysis apparatus |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201016967Y (en) * | 2007-02-15 | 2008-02-06 | 青岛盛瀚色谱技术有限公司 | Ion chromatograph |
| CN203148907U (en) * | 2013-02-04 | 2013-08-21 | 北京历元电子仪器有限公司 | Portable ion chromatograph |
| CN103728246A (en) * | 2013-12-18 | 2014-04-16 | 中国原子能科学研究院 | Seal type measuring device for glove box |
| CN204302248U (en) * | 2014-12-23 | 2015-04-29 | 中国原子能科学研究院 | A kind of being suitable for is enclosed in the ion chromatography apparatus used in glove box |
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