CN203178189U - Multifunctional combined sampling system for atomic fluorescence spectrometer - Google Patents
Multifunctional combined sampling system for atomic fluorescence spectrometer Download PDFInfo
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- CN203178189U CN203178189U CN 201320100722 CN201320100722U CN203178189U CN 203178189 U CN203178189 U CN 203178189U CN 201320100722 CN201320100722 CN 201320100722 CN 201320100722 U CN201320100722 U CN 201320100722U CN 203178189 U CN203178189 U CN 203178189U
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Abstract
The utility model discloses a multifunctional combined sampling system for an atomic fluorescence spectrometer. The multifunctional combined sampling system comprises an interrupted peristaltic pump sampling device, an injection pump sampling device, a switching device, a four-way hybrid reaction module, a liquid storing device and a control system. A plurality of sampling modes can be switched conveniently through the control system, can be taken into account in a certain degree, and can be integrated on the same equipment. Under the interrupted peristaltic pump sampling mode, the injection pump part and a three-way valve part are out of work, the peristaltic pump part is capable of absorbing a sample (or carrier liquid) and a reducing agent simultaneously; and under the injection pump sampling work mode, the injection pump part and the three-way valve part are responsible for absorbing the sample (or the carrier liquid), the peristaltic pump part is used for absorbing the reducing agent in assistance, and therefore, the cost is effectively reduced and the efficiency is improved.
Description
Technical field
The utility model belongs to the precision instrumentation field, relates in particular to the multifunctional combined sampling system of a kind of atomic fluorescence spectrometer.
Background technology
Atomic fluorescence spectrometer is laboratory spectrometric instrument commonly used, sampling system is the important component part of atomic fluorescence spectrometer, and its sample introduction precision, sensitivity, serviceable life, stability etc. are the important indicators that influences atomic fluorescence spectrometer test effect and instrument use.
Input mode according to atomic fluorescence spectrometer can be divided into flow injection, and peristaltic pump intermittently flows and syringe pump sequential injection etc., and variety of way all possesses the relative merits of oneself.Wherein peristaltic pump intermittent current braking technique is with a long history, and technology maturation is stable, and the outstanding feature of this technology is to use the life-span long, and sample size is big, and is highly sensitive, but is subjected to peristaltic pump pulsation effect and the aging influence of pump line, and the sample introduction precision is not high relatively; Syringe pump sequential injection technology is widely used sampling technique just in recent years, uses syringe pump as sampling device, and the outstanding feature of this technology is sample introduction precision height, good reproducibility, but serviceable life is shorter relatively, and sample introduction speed is fast, reaction is violent, and sensitivity is relatively low.The complementary effect of two kinds of technology is obvious.
Present atomic fluorescence spectrometer all is to possess a certain input mode separately, and can't take into account multiple input mode, can not satisfy many-sided demand of user, therefore can increase operation cost and other fringe costs again if buy the atomic fluorescence spectrometer of many different sampling systems, be necessary to seek a kind of technological means that both advantages are got up of can possessing.
The utility model content
In view of this, need overcome in the above-mentioned defective of the prior art at least one.The utility model provides a kind of multifunctional combined sampling system for atomic fluorescence spectrometer, it is characterized in that, comprises
The interrupted sampling device of peristaltic pump, the interrupted sampling device of described peristaltic pump are used for drawing sample/carrier fluid and reductive agent under the interrupted sample introduction mode of operation of peristaltic pump;
Syringe pump sampling device, described syringe pump sampling device are used for drawing sample/carrier fluid under syringe pump sample introduction mode of operation, draw reductive agent by the interrupted sampling device of described peristaltic pump;
Switching device shifter, described switching device shifter are used for the interrupted sample introduction mode of operation of peristaltic pump and syringe pump sample introduction mode of operation are switched, and when the interrupted sampling device of described peristaltic pump is worked, cut off described syringe pump sampling device service aisle;
Four-way hybrid reaction module, sample, carrier fluid, reductive agent react in described four-way hybrid reaction module, described four-way hybrid reaction module and described switching device shifter and the interrupted sampling device of described peristaltic pump link, and carry out pipeline when being in the interrupted sample introduction mode of operation of peristaltic pump or syringe pump sample introduction mode of operation according to described multifunctional combined sampling system and switch;
Device for storing liquid, described device for storing liquid comprise peristaltic pump device for storing liquid and syringe pump device for storing liquid, and described syringe pump sampling device links by described syringe pump liquid storage ring and described switching device shifter; The interrupted sampling device of described peristaltic pump links by described peristaltic pump liquid storage ring and described four-way hybrid reaction module;
Control system, described control system are used for the interrupted sampling device of described peristaltic pump, described syringe pump sampling device, described switching device shifter are controlled.
According to described to prior art in the utility model background technology, input mode according to atomic fluorescence spectrometer can be divided into flow injection, peristaltic pump intermittently flows and syringe pump sequential injection etc., variety of way all possesses the relative merits of oneself, present atomic fluorescence spectrometer all is to possess a certain input mode separately, and can't take into account multiple input mode, many-sided demand of user can not be satisfied, operation cost and other fringe costs can be increased again if buy the atomic fluorescence spectrometer of many different sampling systems; And a kind of multifunctional combined sampling system for atomic fluorescence spectrometer that the utility model provides can switch several input modes easily by control system, and can to a certain degree take into account multiple input mode, simultaneously can be on an equipment integrated a plurality of input modes, under the interrupted sample introduction pattern of peristaltic pump, syringe pump parts, T-valve parts are not worked, and the peristaltic pump parts are drawn sample (or carrier fluid) and reductive agent simultaneously; Under syringe pump sample introduction mode of operation, syringe pump parts and T-valve parts are responsible for drawing sample (or carrier fluid), and therefore the auxiliary reductive agent of drawing of peristaltic pump parts effectively reduces cost and promote efficient.
The multifunctional combined sampling system that is used for atomic fluorescence spectrometer that the utility model provides can make system switch between two kinds of sample introduction patterns easily.
Under syringe pump sample introduction pattern, sample (or carrier fluid) is drawn by described syringe pump sampling device and is imported described four-way hybrid reaction module, and described peristaltic pump device for storing liquid does not participate in work.
The workflow of syringe pump sample introduction pattern is as follows:
1, syringe pump prepares to draw sample/carrier fluid.
Described syringe pump sampling device is in reset mode, and n.s. in the described syringe pump sampling device, described switching device shifter enter syringe pump sample introduction conducting state, is in cut-off state between described switching device shifter and the described four-way hybrid reaction module;
2, syringe pump is drawn carrier fluid successively--sample---carrier fluid.
Described syringe pump sampling device is drawn quantitative carrier fluid, craft or automatic switchover carrier fluid are sample, described syringe pump sampling device is further drawn quantitative sample, craft or automatic switchover sample are carrier fluid again, described syringe pump sampling device is further drawn quantitative carrier fluid, or repeatedly carry out above-mentioned suction process, the mixing material of--sample---carrier fluid that in described syringe pump device for storing liquid, forms carrier fluid;
3, syringe pump prepares to release sample, carrier fluid.
Described switching device shifter is in syringe pump sample introduction cut-off state, is in conducting state between described switching device shifter and the described four-way hybrid reaction module;
4, syringe pump is released sample, carrier fluid and peristaltic pump and is released reductive agent.
The mixing material of carrier fluid--sample---carrier fluid in the described syringe pump device for storing liquid is released in described syringe pump sampling device motion, and the reductive agent of the interrupted sampling device absorption of described peristaltic pump simultaneously imports in the described four-way hybrid reaction module;
5, hydride reaction.
Sample, carrier fluid, reductive agent meet and vigorous reaction in described four-way hybrid reaction module under the common promotion of described syringe pump sampling device and the interrupted sampling device of described peristaltic pump, produce hydride; Hydride enters subordinate's reactive system under the promotion of carrier gas, waste liquid is discharged from simultaneously;
6, repeated for 1 to 5 step, carry out sample test next time.
When entering the interrupted sample introduction pattern of peristaltic pump, be in cut-off state between described switching device shifter and the described four-way hybrid reaction module:
1, peristaltic pump is drawn sample.
The interrupted sampling device of described peristaltic pump is drawn sample and reductive agent, and the sample of absorption is stored in the described peristaltic pump device for storing liquid;
2, peristaltic pump is drawn carrier fluid, derives sample, carrier fluid, reductive agent simultaneously.
Switch sample is carrier fluid, and the interrupted sampling device of described peristaltic pump continues to draw carrier fluid, derives sample and reductive agent simultaneously and enters in the described four-way hybrid reaction module;
3, hydride reaction.
Sample, carrier fluid, reductive agent meet and vigorous reaction in described four-way hybrid reaction module under the promotion of the interrupted sampling device of described peristaltic pump, produce hydride; Hydride enters subordinate's reactive system under the promotion of carrier gas, waste liquid is discharged from simultaneously;
4, repeated for 1 to 3 step, carry out sample test next time.
In addition, also have following additional technical feature according to the disclosed multifunctional combined sampling system for atomic fluorescence spectrometer of the utility model:
Further, the interrupted sampling device of described peristaltic pump comprises peristaltic pump pump head, peristaltic pump motor.
Further, described peristaltic pump pump head comprises the peristaltic pump pump line, peristaltic pump card, peristaltic pump rotor; Described peristaltic pump rotor is done continuous rotating motion under the effect of peristaltic pump motor, under the squeezing action of peristaltic pump card, drive the peristaltic pump pump line and draw and derive sample or carrier fluid; The interrupted sampling device of described peristaltic pump is controlled by described control system.
Further, described syringe pump sampling device comprises syringe, and drive motor, described syringe are done the piston to-and-fro movement under the effect of drive motor; Described syringe pump sampling device is controlled by described control system.
Further, described switching device shifter is three-way valve device, and described three-way valve device possesses three valve ports, can switch any two UNICOMs in three valve ports, and another ends; Described three-way valve device comprises valve head, drive motor, and described valve head rotates under the drive of described drive motor.
Further, described device for storing liquid comprises the liquid storage ring, and described peristaltic pump device for storing liquid comprises peristaltic pump liquid storage ring, and described syringe pump device for storing liquid comprises syringe pump liquid storage ring.
Further, described control system comprises computer control system or single-chip computer control system or PLC control system.
The aspect that the utility model is additional and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Description of drawings
Above-mentioned and/or additional aspect of the present utility model and advantage are from obviously and easily understanding becoming the description of embodiment below in conjunction with accompanying drawing, wherein:
Fig. 1 is the utility model syringe pump sample introduction pattern diagram.
Fig. 2 is the interrupted sample introduction pattern diagram of the utility model peristaltic pump.
Wherein, 1-sample/carrier fluid, 2-reductive agent, 3-syringe pump sampling device, the interrupted sampling device of 4-peristaltic pump, 5-syringe pump device for storing liquid, the 6-switching device shifter, 61-switches valve port 1, and 62-switches valve port 2,63-switches valve port 3,7-four-way hybrid reaction module, 8-peristaltic pump device for storing liquid, 9-atomization system, the 10-Separate System of Water-jet, 11-bucket at useless night.
Embodiment
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein identical or similar label is represented identical or similar elements or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment that is described with reference to the drawings, only be used for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " on ", close the orientation of indications such as D score, " end ", " top ", " preceding ", " back ", " interior ", " outward ", " left side ", " right side " or position is based on orientation shown in the drawings or position relation, only be the utility model and simplification description for convenience of description, rather than indication or the hint device of indication or element must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model.
In description of the present utility model, need to prove, unless clear and definite regulation and restriction are arranged in addition, term " connection ", " connection ", " linking to each other ", " connection " should be done broad understanding, for example, can be fixedly connected, connecting integratedly, also can be to removably connect; It can be the connection of two element internals; Can be directly to link to each other, also can link to each other indirectly by intermediary, for the ordinary skill in the art, can concrete condition understand the concrete implication of above-mentioned term in the utility model.
Utility model design of the present utility model is as follows, as described in technical background, a kind of multifunctional combined sampling system for atomic fluorescence spectrometer that the utility model provides can switch several input modes easily by control system, and can to a certain degree take into account multiple input mode, simultaneously can be on an equipment integrated a plurality of input modes, under the interrupted sample introduction pattern of peristaltic pump, syringe pump parts, T-valve parts are not worked, and the peristaltic pump parts are drawn sample (or carrier fluid) and reductive agent simultaneously; Under syringe pump sample introduction mode of operation, syringe pump parts and T-valve parts are responsible for drawing sample (or carrier fluid), and therefore the auxiliary reductive agent of drawing of peristaltic pump parts effectively reduces cost and promote efficient.
Describe the multifunctional combined sampling system for atomic fluorescence spectrometer of the present utility model below with reference to accompanying drawings, wherein Fig. 1 is the utility model syringe pump sample introduction pattern diagram, and Fig. 2 is the interrupted sample introduction pattern diagram of the utility model peristaltic pump.
According to embodiment of the present utility model, as shown in Figure 1, 2, the multifunctional combined sampling system that is used for atomic fluorescence spectrometer that the utility model provides, comprise the interrupted sampling device 4 of peristaltic pump, the interrupted sampling device 4 of described peristaltic pump is used for drawing sample/carrier fluid and reductive agent under the interrupted sample introduction mode of operation of peristaltic pump; Syringe pump sampling device 3, described syringe pump sampling device 3 is used for drawing sample/carrier fluid under syringe pump sample introduction mode of operation, draws reductive agent by the interrupted sampling device 3 of described peristaltic pump; Switching device shifter 6, described switching device shifter 6 is used for the interrupted sample introduction mode of operation of peristaltic pump and syringe pump sample introduction mode of operation are switched, and when the interrupted sampling device 4 of described peristaltic pump is worked, cuts off described syringe pump sampling device 3 service aisles; Four-way hybrid reaction module 7, sample, carrier fluid, reductive agent react in described four-way hybrid reaction module 7, described four-way hybrid reaction module 7 links with described switching device shifter 6 and the interrupted sampling device 4 of described peristaltic pump, carries out pipeline when being in the interrupted sample introduction mode of operation of peristaltic pump or syringe pump sample introduction mode of operation according to described multifunctional combined sampling system and switches; Device for storing liquid 5,8, described device for storing liquid comprise peristaltic pump device for storing liquid 8 and syringe pump device for storing liquid 5, and described syringe pump sampling device 3 links with described switching device shifter 6 by described syringe pump liquid storage ring 5; The interrupted sampling device 4 of described peristaltic pump links with described four-way hybrid reaction module 7 by described peristaltic pump liquid storage ring 8; Control system, described control system are used for the interrupted sampling device 4 of described peristaltic pump, described syringe pump sampling device 3, described switching device shifter 6 are controlled.
According to embodiment of the present utility model, the multifunctional combined sampling system that is used for atomic fluorescence spectrometer can make system switch between two kinds of sample introduction patterns easily.
Under syringe pump sample introduction pattern, sample/carrier fluid 1 is drawn by described syringe pump sampling device 3 and is imported described four-way hybrid reaction module 7, and described peristaltic pump device for storing liquid 8 does not participate in work.
The workflow of syringe pump sample introduction pattern is as follows, as shown in Figure 1:
1, syringe pump prepares to draw sample/carrier fluid.
Described syringe pump sampling device 3 is in reset mode, n.s. in the described syringe pump sampling device 3, described switching device shifter 6 enters syringe pump sample introduction conducting state, namely switch valve port 1(61) and switch valve port 3(63) conducting, be in cut-off state between described switching device shifter 6 and the described four-way hybrid reaction module 7, namely switch valve port 2(62) end;
2, syringe pump is drawn carrier fluid successively--sample---carrier fluid.
Described syringe pump sampling device 3 is drawn quantitative carrier fluid, craft or automatic switchover carrier fluid are sample, described syringe pump sampling device 3 is further drawn quantitative sample, craft or automatic switchover sample are carrier fluid again, described syringe pump sampling device 3 is further drawn quantitative carrier fluid, or repeatedly carry out above-mentioned suction process, the mixing material of--sample---carrier fluid that in described syringe pump device for storing liquid 5, forms carrier fluid;
3, syringe pump prepares to release sample, carrier fluid.
Described switching device shifter 6 is in syringe pump sample introduction cut-off state, namely switches valve port 3(63) be in by, be in conducting state between described switching device shifter 6 and the described four-way hybrid reaction module 7, namely switch valve port 2(62) be in conducting;
4, syringe pump is released sample, carrier fluid and peristaltic pump and is released reductive agent.
The mixing material of carrier fluid--sample---carrier fluid in the described syringe pump device for storing liquid 5 is released in described syringe pump sampling device 3 motions, and the interrupted sampling device 4 absorption reductive agents of described peristaltic pump import in the described four-way hybrid reaction module 7 simultaneously;
5, hydride reaction.
Sample, carrier fluid, reductive agent meet and vigorous reaction in described four-way hybrid reaction module 7 under the common promotion of described syringe pump sampling device 3 and the interrupted sampling device 4 of described peristaltic pump, produce hydride; Hydride enters subordinate's reactive system 10 under the promotion of carrier gas, simultaneously waste liquid is discharged from and enters bucket 11 at useless night;
6, repeated for 1 to 5 step, carry out sample test next time.
When entering the interrupted sample introduction pattern of peristaltic pump, be in cut-off state between described switching device shifter 6 and the described four-way hybrid reaction module 7, namely switch valve port 2(62) be in and end, as shown in Figure 2:
1, peristaltic pump is drawn sample.
The interrupted sampling device 4 of described peristaltic pump is drawn sample and reductive agent, and the sample of absorption is stored in the described peristaltic pump device for storing liquid 8;
2, peristaltic pump is drawn carrier fluid, derives sample, carrier fluid, reductive agent simultaneously.
Switch sample is carrier fluid, and the interrupted sampling device 4 of described peristaltic pump continues to draw carrier fluid, derives sample and reductive agent simultaneously and enters in the described four-way hybrid reaction module 7;
3, hydride reaction.
Sample, carrier fluid, reductive agent meet and vigorous reaction in described four-way hybrid reaction module 7 under the promotion of the interrupted sampling device 4 of described peristaltic pump, produce hydride; Hydride enters subordinate's reactive system 10 under the promotion of carrier gas, simultaneously waste liquid is discharged from and enters bucket 11 at useless night;
4, repeated for 1 to 3 step, carry out sample test next time.
According to an embodiment of the present utility model, the interrupted sampling device 4 of described peristaltic pump comprises peristaltic pump pump head, peristaltic pump motor.
According to an embodiment of the present utility model, described peristaltic pump pump head comprises the peristaltic pump pump line, peristaltic pump card, peristaltic pump rotor; Described peristaltic pump rotor is done continuous rotating motion under the effect of peristaltic pump motor, under the squeezing action of peristaltic pump card, drive the peristaltic pump pump line and draw and derive sample or carrier fluid; The interrupted sampling device of described peristaltic pump is controlled by described control system.
According to an embodiment of the present utility model, described syringe pump sampling device 3 comprises syringe, and drive motor, described syringe are done the piston to-and-fro movement under the effect of drive motor; Described syringe pump sampling device is controlled by described control system.
According to an embodiment of the present utility model, described switching device shifter 6 is three-way valve device, and described three-way valve device possesses three valve ports, can switch any two UNICOMs in three valve ports, and another ends; Described three-way valve device comprises valve head, drive motor, and described valve head rotates under the drive of described drive motor.
According to an embodiment of the present utility model,, described device for storing liquid 5,8 comprises the liquid storage ring, and described peristaltic pump device for storing liquid 8 comprises peristaltic pump liquid storage ring, and described syringe pump device for storing liquid 5 comprises syringe pump liquid storage ring.
According to an embodiment of the present utility model,, described control system comprises computer control system or single-chip computer control system or PLC control system.
Although with reference to a plurality of illustrative examples of the present utility model embodiment of the present utility model is described in detail, but it must be understood that, those skilled in the art can design multiple other improvement and embodiment, and these improve and embodiment will drop within the spirit and scope of the utility model principle.Particularly, within the scope of aforementioned open, accompanying drawing and claim, can make rational modification and improvement aspect the layout of parts and/or subordinate composite configuration, and can not break away from spirit of the present utility model.Except modification and the improvement of parts and/or layout aspect, its scope is limited by claims and equivalent thereof.
Claims (7)
1. a multifunctional combined sampling system that is used for atomic fluorescence spectrometer is characterized in that, comprises
The interrupted sampling device of peristaltic pump, the interrupted sampling device of described peristaltic pump are used for drawing sample/carrier fluid and reductive agent under the interrupted sample introduction mode of operation of peristaltic pump;
Syringe pump sampling device, described syringe pump sampling device are used for drawing sample/carrier fluid under syringe pump sample introduction mode of operation, draw reductive agent by the interrupted sampling device of described peristaltic pump;
Switching device shifter, described switching device shifter are used for the interrupted sample introduction mode of operation of peristaltic pump and syringe pump sample introduction mode of operation are switched, and when the interrupted sampling device of described peristaltic pump is worked, cut off described syringe pump sampling device service aisle;
Four-way hybrid reaction module, sample, carrier fluid, reductive agent react in described four-way hybrid reaction module, described four-way hybrid reaction module and described switching device shifter and the interrupted sampling device of described peristaltic pump link, and carry out pipeline when being in the interrupted sample introduction mode of operation of peristaltic pump or syringe pump sample introduction mode of operation according to described multifunctional combined sampling system and switch;
Device for storing liquid, described device for storing liquid comprise peristaltic pump device for storing liquid and syringe pump device for storing liquid, and described syringe pump sampling device links by described syringe pump liquid storage ring and described switching device shifter; The interrupted sampling device of described peristaltic pump links by described peristaltic pump liquid storage ring and described four-way hybrid reaction module;
Control system, described control system are used for the interrupted sampling device of described peristaltic pump, described syringe pump sampling device, described switching device shifter are controlled.
2. the multifunctional combined sampling system for atomic fluorescence spectrometer according to claim 1 is characterized in that, the interrupted sampling device of described peristaltic pump comprises peristaltic pump pump head, peristaltic pump motor.
3. the multifunctional combined sampling system for atomic fluorescence spectrometer according to claim 2 is characterized in that, described peristaltic pump pump head comprises the peristaltic pump pump line, peristaltic pump card, peristaltic pump rotor; Described peristaltic pump rotor is done continuous rotating motion under the effect of peristaltic pump motor, under the squeezing action of peristaltic pump card, drive the peristaltic pump pump line and draw and derive sample or carrier fluid; The interrupted sampling device of described peristaltic pump is controlled by described control system.
4. the multifunctional combined sampling system for atomic fluorescence spectrometer according to claim 1 is characterized in that, described syringe pump sampling device comprises syringe, and drive motor, described syringe are done the piston to-and-fro movement under the effect of drive motor; Described syringe pump sampling device is controlled by described control system.
5. the multifunctional combined sampling system for atomic fluorescence spectrometer according to claim 1, it is characterized in that described switching device shifter is three-way valve device, described three-way valve device possesses three valve ports, can switch any two UNICOMs in three valve ports, another ends; Described three-way valve device comprises valve head, drive motor, and described valve head rotates under the drive of described drive motor.
6. the multifunctional combined sampling system for atomic fluorescence spectrometer according to claim 1, it is characterized in that, described device for storing liquid comprises the liquid storage ring, and described peristaltic pump device for storing liquid comprises peristaltic pump liquid storage ring, and described syringe pump device for storing liquid comprises syringe pump liquid storage ring.
7. the multifunctional combined sampling system for atomic fluorescence spectrometer according to claim 1 is characterized in that, described control system comprises computer control system or single-chip computer control system or PLC control system.
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| CN 201320100722 CN203178189U (en) | 2013-03-05 | 2013-03-05 | Multifunctional combined sampling system for atomic fluorescence spectrometer |
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| CN 201320100722 CN203178189U (en) | 2013-03-05 | 2013-03-05 | Multifunctional combined sampling system for atomic fluorescence spectrometer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103364378A (en) * | 2013-03-05 | 2013-10-23 | 江苏天瑞仪器股份有限公司 | Multifunctional joint sampling system for atomic fluorescence spectrometer |
| CN107561050A (en) * | 2017-10-18 | 2018-01-09 | 蓝靖 | Portable low-temp plasma automic fluorescence surveys arsenic analytical equipment |
| CN108107029A (en) * | 2017-12-14 | 2018-06-01 | 浙江微兰环境科技有限公司 | A kind of detection method of water quality total mercury |
-
2013
- 2013-03-05 CN CN 201320100722 patent/CN203178189U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103364378A (en) * | 2013-03-05 | 2013-10-23 | 江苏天瑞仪器股份有限公司 | Multifunctional joint sampling system for atomic fluorescence spectrometer |
| CN103364378B (en) * | 2013-03-05 | 2016-04-20 | 江苏天瑞仪器股份有限公司 | A kind of multifunctional combined sampling system for atomic fluorescence spectrometer |
| CN107561050A (en) * | 2017-10-18 | 2018-01-09 | 蓝靖 | Portable low-temp plasma automic fluorescence surveys arsenic analytical equipment |
| CN108107029A (en) * | 2017-12-14 | 2018-06-01 | 浙江微兰环境科技有限公司 | A kind of detection method of water quality total mercury |
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Granted publication date: 20130904 Effective date of abandoning: 20160420 |
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