CN201464411U - Card type detector for fast detecting concentration of cyanides - Google Patents
Card type detector for fast detecting concentration of cyanides Download PDFInfo
- Publication number
- CN201464411U CN201464411U CN2009200345637U CN200920034563U CN201464411U CN 201464411 U CN201464411 U CN 201464411U CN 2009200345637 U CN2009200345637 U CN 2009200345637U CN 200920034563 U CN200920034563 U CN 200920034563U CN 201464411 U CN201464411 U CN 201464411U
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- cyanide
- fast detecting
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- instrument
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Abstract
The utility model discloses a card type detector for fast detecting the concentration of cyanides, which is characterized in that the card type detector comprises a bottom plate, a lower cover and an upper cover, wherein the bottom plate is movably arranged on a test panel of a dry type electrolyte analyzer, the lower cover is arranged on the bottom plate, the upper cover is arranged right above the lower cover in a buckling way, a plurality of test holes communicated at top and bottom are correspondingly formed on the lower cover and the upper cover, in addition, the number of the test holes is not less than three, inner cavities of any three test holes in the plurality of test holes are connected through a plurality of salt bridge distributed and arranged on the lower cover and/or the upper cover, and a graphite layer is respectively embedded on the inner walls of the three test holes. The utility model has the advantages of reasonable design, low cost, convenient use and operation, no detection place limitation, high detection speed and high detection precision, and can effectively solve various problems of the existing cyanide detectors and detecting methods.
Description
Technical field
The utility model belongs to concentration of cyanide detection technique field, especially relates to a kind of card form pick-up unit of fast detecting concentration of cyanide.
Background technology
At present, the prussiate pick-up unit and the related detecting method thereof of research are of a great variety both at home and abroad, as vapor-phase chromatography, the chromatography of ions, spectrophotometric method, electrode method etc., though the characteristics of above-mentioned various detection methods are not quite similar, but generally speaking, there are many problems in existing prussiate detection technique, and mainly show following five aspects: 1, detecting instrument costs an arm and a leg, cost is too high, is unfavorable for promoting on a large scale.Instrument probe (as ion-selective electrode) used when 2, detecting is reused, thereby can produce cross pollution.3, the detection method complex operation is wasted time and energy, and tediously long manually-operated meeting makes experimental result produce bigger error.4, detect the place all in the laboratory, can not carry out online detection in the open air.5, the test paper fast detection method can only provide qualitative results, can not satisfy the requirement of quantitative test.
The utility model content
Technical problem to be solved in the utility model is at above-mentioned deficiency of the prior art, a kind of card form pick-up unit of fast detecting concentration of cyanide is provided, it is simple in structure, cost is low, use is easy to operate, the detection place is not limit and it is accurate to detect effect, can effectively solve the existing existing various problems of prussiate pick-up unit.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of card form pick-up unit of fast detecting concentration of cyanide, it is characterized in that: comprise the base plate that is movably arranged on the dry type blomelicalbloodgasandelectrolrteanalyzers test panel, be installed in lower cover and the loam cake of spiral-lock directly over lower cover on the base plate, described lower cover and on cover that correspondence has a plurality of instrument connections that are communicated with up and down and the quantity of instrument connection is no less than three, between any three the instrument connection inner chambers in a plurality of instrument connections by a plurality of be laid in lower cover and/or on the salt bridge that covers connect; All be inlaid with one deck graphite linings on the inwall of described three instrument connections.
The quantity of described instrument connection is that four and four instrument connections are sphere of movements for the elephants shape and distribute.
Described instrument connection is a circular hole.
Described base plate is that square plate and its structure are all corresponding with the structure and the size of test panel with size.
Described lower cover and loam cake are installed on the first half of base plate.
Described test panel is provided with a plurality of hemisphere tinsels that are used for fixing base plate.
The utility model compared with prior art has the following advantages:
1, the card form pick-up unit that is adopted is simple in structure, good looking appearance, global design rationally and use easy and simple to handlely, the structure of card form pick-up unit is corresponding with the test panel structure of dry type blomelicalbloodgasandelectrolrteanalyzers simultaneously, thereby installs very convenient.
2, environmental protection, used card form pick-up unit is disposable operative installations, both can avoid the interference of conventional art sample room effectively, also can be used as the continuous supply market of medical disposable material, can form stable customer group.
3, detect the place and do not limit, both can carry out, also can detect in the open air in the laboratory.
4, the detection speed that is adopted is very fast and accuracy of detection is high, strong to concentration of cyanide response sensitivity and system's antijamming capability in the water body, easy to use, be convenient to open-air fast detecting, can be convenient by the dry type blomelicalbloodgasandelectrolrteanalyzers, read the concentration of cyanide solution to be measured fast and directly. in the actual mechanical process, treat that unlatching of dry type blomelicalbloodgasandelectrolrteanalyzers and preheated one-section are after the time, the card form pick-up unit is installed in the detection panel and cyanide solution to be measured is splashed into instrument connection, after pushing dry type blomelicalbloodgasandelectrolrteanalyzers feeler switch and data stabilization to be tested afterwards again, can read the concentration of tested cyanide solution. because the dry type blomelicalbloodgasandelectrolrteanalyzers detects the current potential of tested cyanide solution by potential electrode and contrast electrode and after the corresponding e-c of carrying out transforms (being converted into solution concentration from current potential) automatically in the testing process, can read the concentration of tested cyanide solution, thereby use operation very easy, detection speed is corresponding also very fast.
5, qualitative results can not only be provided, and the requirement of quantitative test can be satisfied.Draw through experimental analysis: the suitableeest addition of the prepared sensitive membrane of the utility model is 30ul, detects and is limited to 0.00239mg/l, is better than document ion-selective electrode method, and the range of linearity is 1 * 10
-4～10mmol/L is to fluorine ion, chlorion, nitrate ion, sulphion plasma selectivity factor K
IjLess than 0.002; PH value is in the 5.5-8.0 scope, and current potential changes smaller or equal to ± 1mV with pH value; When cyanogen root concentration during more than or equal to 0.10mmol/L, the potential electrode response time is less than 15s, and cyanogen root concentration is during less than 0.10mmol/L, and the potential electrode response time is less than 20s; The coefficient of variation is 5.03%, illustrates that detection precision of the present utility model is good.
6, applied widely, the practical value height, promotion prospect is good, and the huge market demand has tangible social environment benefit and economic benefit.
In sum, the utility model is reasonable in design, cost is low, use is easy and simple to handle and detection speed is fast, accuracy of detection is high, can overcome existing prussiate pick-up unit and the existing various problems of detection method, its card form pick-up unit is easy to carry, cheap, check rapidly, degree of accuracy is high, can detect the cyanide ion of 0.00239mg/L in the water body, be lower than the national drinking water standard of 0.05mg/L, for relevant quality testing department provides a kind of convenient, accurate detection method, also can promote on a large scale, its application prospect is very wide.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is the external structure synoptic diagram of the utility model card form pick-up unit.
Fig. 2 is the structural representation of the utility model card form pick-up unit.
Fig. 3 is the right view of this Fig. 2.
Fig. 4 is the structural representation of the used dry type blomelicalbloodgasandelectrolrteanalyzers of the utility model test panel.
Fig. 5 carries out the method flow diagram that concentration of cyanide detects for adopting the utility model.
Description of reference numerals:
The 1-base plate; The 2-lower cover; The 3-loam cake;
The 4-test panel; The 5-instrument connection; The 6-salt bridge;
The 7-graphite linings; 8-hemisphere tinsel.
Embodiment
As Fig. 1, Fig. 2 and shown in Figure 3, the utility model comprises the base plate 1 that is movably arranged on the dry type blomelicalbloodgasandelectrolrteanalyzers test panel 4, is installed in lower cover 2 and the loam cake 3 of spiral-lock directly over lower cover 2 on the base plate 1, correspondingly on described lower cover 2 and the loam cake 3 have a plurality of instrument connections 5 that are communicated with up and down and the quantity of instrument connection 5 is no less than three, connect by a plurality of salt bridges 6 that are laid on lower cover 2 and/or the loam cake 3 between any three instrument connection 5 inner chambers in a plurality of instrument connections 5, all be inlaid with one deck graphite linings 7 on the inwall of described three instrument connections 5.
In the present embodiment, the quantity of described instrument connection 5 is that four and four instrument connections 5 are sphere of movements for the elephants shape and distribute, the structure that described instrument connection 5 is circular hole and four instrument connections is all identical with size, described base plate 1 is that square plate and its structure are all corresponding with the structure and the size of test panel 4 with size, described lower cover 2 and loam cake 3 are installed on the first half of base plate 1. and loam cake 3 thick 2mm, lower cover 2 thick 4mm, the degree of depth of instrument connection 5 is 6mm, the distance of center circle of adjacent two instrument connections 5 is 10mm, can in any three instrument connections 5, inlay one deck graphite linings 7 as required in the practice, the quantity that is associated with salt bridge 6 and salt bridge 6 in described any three instrument connections 5 between adjacent two instrument connections 5 is two, and described salt bridge 6 is laid in the loam cake 3 and is correspondingly provided with the mounting hole of installing for salt bridge 6 on the described loam cake 3; Base plate 1 length is 40mm, and wide is that 24mm and its thickness are 1mm.
In conjunction with Fig. 4, described test panel 4 is provided with a plurality of hemisphere tinsels 8 that are used for fixing base plate 1.In the present embodiment, the quantity of described hemisphere tinsel 8 is that 4 and 4 hemisphere tinsels 8 are corresponding with the center of circle of described four instrument connections 5 respectively, and the diameter of hemisphere tinsel 8 is 1mm.Described test panel 4 length are 30mm, and wide is that 26mm and interior groove width are 21mm.
In conjunction with Fig. 5, adopt the utility model to carry out the method that concentration of cyanide detects, may further comprise the steps:
In conjunction with Fig. 5, the method that a kind of card form pick-up unit that utilizes described fast detecting concentration of cyanide of the present invention detects may further comprise the steps:
101, preparation sensitive membrane liquid: the potassium ferricyanide that will take by weighing and PVC powder join in the reagent bottle earlier, after in described reagent bottle, adding mass concentration afterwards again and be 99% tetrahydrofuran, cover the loam cake of described reagent bottle and will fully shake up by the mixed solution that the potassium ferricyanide, PVC powder and tetrahydrofuran are formed; The mass ratio of the described potassium ferricyanide and PVC powder is 4～5: 8～10, and the volume that adds tetrahydrofuran in per 0.020～0.025g potassium ferricyanide is 5～6ml.
102, splash into the sensitive membrane liquid for preparing in the step 101 respectively after dripping full whole instrument connection 5 to described three instrument connections 5, instrument connection 5 is put in leaves standstill the sensitive membrane that on graphite linings 7, is covered in the dust-free device and parch, just finish the electrode modification of graphite linings 7.In this step, it is 60 ± 10min that described electrode hole is put in the time of leaving standstill in the dust-free device simultaneously together with described potential electrode.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; everyly any simple modification that above embodiment did, change and equivalent structure are changed, all still belong in the protection domain of technical solutions of the utility model according to the utility model technical spirit.
Claims (6)
1. the card form pick-up unit of a fast detecting concentration of cyanide, it is characterized in that: comprise the base plate (1) that is movably arranged on the dry type blomelicalbloodgasandelectrolrteanalyzers test panel (4), be installed in lower cover (2) and the loam cake (3) of spiral-lock directly over lower cover (2) on the base plate (1), the last correspondence of described lower cover (2) and loam cake (3) has a plurality of instrument connections (5) that are communicated with up and down and the quantity of instrument connection (5) is no less than three, connects by a plurality of salt bridges (6) that are laid on lower cover (2) and/or the loam cake (3) between any three instrument connections (5) inner chamber in a plurality of instrument connections (5); All be inlaid with one deck graphite linings (7) on the inwall of described three instrument connections (5).
2. according to the card form pick-up unit and the detection method thereof of the described a kind of fast detecting concentration of cyanide of claim 1, it is characterized in that: the quantity of described instrument connection (5) is that four and four instrument connections (5) are sphere of movements for the elephants shape and distribute.
3. according to the card form pick-up unit of claim 1 or 2 described a kind of fast detecting concentration of cyanide, it is characterized in that: described instrument connection (5) is a circular hole.
4. according to the card form pick-up unit of claim 1 or 2 described a kind of fast detecting concentration of cyanide, it is characterized in that: described base plate (1) is that square plate and its structure are all corresponding with the structure and the size of test panel (4) with size.
5. according to the card form pick-up unit of claim 1 or 2 described a kind of fast detecting concentration of cyanide, it is characterized in that: described lower cover (2) and loam cake (3) are installed on the first half of base plate (1).
6. according to the card form pick-up unit of claim 1 or 2 described a kind of fast detecting concentration of cyanide, it is characterized in that: described test panel (4) is provided with a plurality of hemisphere tinsels (8) that are used for fixing base plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200345637U CN201464411U (en) | 2009-09-17 | 2009-09-17 | Card type detector for fast detecting concentration of cyanides |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200345637U CN201464411U (en) | 2009-09-17 | 2009-09-17 | Card type detector for fast detecting concentration of cyanides |
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| Publication Number | Publication Date |
|---|---|
| CN201464411U true CN201464411U (en) | 2010-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200345637U Expired - Fee Related CN201464411U (en) | 2009-09-17 | 2009-09-17 | Card type detector for fast detecting concentration of cyanides |
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| Country | Link |
|---|---|
| CN (1) | CN201464411U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101650333B (en) * | 2009-09-17 | 2013-09-18 | 长安大学 | Card type detection device for rapidly detecting concentration of cyanide and detection method thereof |
| CN103884852A (en) * | 2014-02-28 | 2014-06-25 | 中国农业大学 | Full-automatic dry electrolyte analyzer and analysis method thereof |
-
2009
- 2009-09-17 CN CN2009200345637U patent/CN201464411U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101650333B (en) * | 2009-09-17 | 2013-09-18 | 长安大学 | Card type detection device for rapidly detecting concentration of cyanide and detection method thereof |
| CN103884852A (en) * | 2014-02-28 | 2014-06-25 | 中国农业大学 | Full-automatic dry electrolyte analyzer and analysis method thereof |
| CN103884852B (en) * | 2014-02-28 | 2015-04-15 | 中国农业大学 | Full-automatic dry electrolyte analyzer and analysis method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100512 Termination date: 20100917 |