CN204575541U - A kind of heavy metal ion quick detection test paper box of even colour developing - Google Patents
A kind of heavy metal ion quick detection test paper box of even colour developing Download PDFInfo
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- CN204575541U CN204575541U CN201520192735.9U CN201520192735U CN204575541U CN 204575541 U CN204575541 U CN 204575541U CN 201520192735 U CN201520192735 U CN 201520192735U CN 204575541 U CN204575541 U CN 204575541U
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- housing
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- sample liquid
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- liquid inlet
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Abstract
The utility model discloses a kind of heavy metal ion quick detection test paper box of even colour developing, comprise housing and the gland suitable with housing, described housing is the rectangular structure of open top, non-drying glue layer is provided with successively from the bottom up in housing, be fixed with the colour developing absorbent filter of urea and cresol red, water-soluble barrier paper and be fixed with the cellulose acetate membrane of urase, described gland water white transparency, gland is provided with sample liquid inlet hole, drainage trough is provided with bottom described gland, described drainage trough is positioned at sample liquid inlet hole both sides and is connected with sample liquid inlet hole, gland be crimped on be fixed with urase cellulose acetate membrane surface and connect and fix with housing.The utility model structure is simple, is easy to preserve and carry, and easy to use, detect fast, evenly develop the color, testing result is more accurate.
Description
Technical field
The utility model relates to heavy metal analysis technical field, especially relates to a kind of heavy metal ion quick detection test paper box of even colour developing.
Background technology
Heavy metal is one of important environmental contaminants of a class, can enrichment in vivo, and enters human body by channels such as air, potable water and foods, causes comprise carcinogenic, teratogenesis and mutagenesis etc. serious harm to health.Therefore, the detection of heavy metal, especially one of the quick detection focus becoming public attention of heavy-metal residual in agricultural product, food, potable water.
Traditional heavy metal detection method mainly contains atomic absorption spectrography (AAS), atomic emission spectrometry, atomic fluorescence spectrometry, anodic stripping voltammetry, chromatography of ions, spectrophotometric method etc., but all there is expensive equipment in major part, consuming time, operating cost is high, need the shortcomings such as professional operates, be difficult to the actual needs meeting field quick detection, be thus usually applied to all kinds of test in laboratory.Along with people are to the reinforcement of Consciousness of food security, those free of contamination green health food more and more welcomed by the peoples.Market is badly in need of a large amount of sxemiquantitative method for quick even qualitatively, sample does not generally need the pre-treatment through complexity, only need a few minutes just can go out testing result by more than ten minutes, which kind of scope the content whether containing a certain amount of object or object in preliminary judgement sample is roughly in.
The quick detection kit of current heavy metal ion on the market, normally liquid reagent, also test paper form is had, such as, the Chinese patent of Authorization Notice No. CN102776266B, authorized announcement date 2015.3.18 discloses a kind of heavy metal Hg rapid detection card, and this test card structure is followed successively by from the bottom to top: base plate, adsorbent sheet, epiphragma, described base plate is fixed with respectively the thin slice of the thin slice of at least one absorption developer, at least one absorption urase, thin slice does not overlap each other.The weak point of this test card is, enzyme, substrate and developer are separately fixed on two thin slices, need fluid drips during use on a thin slice, doubling makes thin slice 2 and thin slice 3 be stacked and contact with each other again, and pinch and do not put certain hour, then could develop the color, not only use very inconvenient, and can not ensure that two thin slices can fully contact, develop the color uneven and testing result error is larger.
Utility model content
The utility model is that the detection of heavy metal ion kit in order to solve prior art uses inconvenience, develop the color the uneven and problem that testing result error is larger, provide a kind of structure simple, easy to use, detect fast, even colour developing, the heavy metal ion quick detection test paper box of testing result evenly colour developing more accurately.
To achieve these goals, the utility model is by the following technical solutions:
A kind of heavy metal ion quick detection test paper box of even colour developing, comprise housing and the gland suitable with housing, described housing is the rectangular structure of open top, non-drying glue layer is provided with successively from the bottom up in housing, be fixed with the colour developing absorbent filter of urea and cresol red, water-soluble barrier paper and be fixed with the cellulose acetate membrane of urase, described gland water white transparency, gland is provided with sample liquid inlet hole, drainage trough is provided with bottom described gland, described drainage trough is positioned at sample liquid inlet hole both sides and is connected with sample liquid inlet hole, gland be crimped on be fixed with urase cellulose acetate membrane surface and connect and fix with housing.Principle of the present utility model quantitatively detects heavy metal ion content in sample by urea inhibiting AChE, and the shell in the utility model can avoid the utility model that bending damage occurs, and is easy to carry and preservation; Non-drying glue layer plays the effect of sizing, avoids colour developing absorbent filter generation fold thus affects color developing effect; Water-soluble barrier paper is meet the ply of paper that the organic polymer that namely dissolves of water makes, effectively can prevent the urase in cellulose acetate membrane and the substrate contact in colored filter paper when not using and enzymatic reaction occurs, thus the false negative rate effectively reduced when using, when deployed, when moisture is immersed in this layer, water-soluble barrier paper dissolves, substrate reactions on urase in cellulose acetate membrane and colored filter paper layer, pH is raised, thus makes indicator discoloration, the colour developing of colour developing absorbent filter; Gland water white transparency, can directly observe, very convenient; Drainage trough is provided with bottom gland, drainage trough is positioned at sample liquid inlet hole both sides and is connected with sample liquid inlet hole, detection sample liquid in sample liquid inlet hole can spread to sample liquid inlet hole both sides fast along drainage trough, avoid detecting sample liquid and save bit by bit impact infiltration in sample liquid inlet hole, so not only make the enzymatic reaction response time shorter, and colour developing is also more even, be conducive to improving detection accuracy.
As preferably, be provided with and can take off waterproof paper outside described sample liquid inlet hole.Waterproof paper can be taken off play a protective role, outside moisture effectively can be stoped to contact with cellulose acetate membrane thus cause cellulose acetate membrane to lose efficacy, during use, opening and can take off waterproof paper.
As preferably, the end face of described gland surfaces and housing flushes.
As preferably, the end at described gland two ends is outwardly is formed with protuberance, and described inner walls is provided with the draw-in groove suitable with protuberance, and described gland is connected and fixed with housing with coordinating of draw-in groove by protuberance.
Therefore, the utility model has following beneficial effect:
(1) drainage trough is provided with bottom gland, drainage trough is positioned at sample liquid inlet hole both sides and is connected with sample liquid inlet hole, detection sample liquid in sample liquid inlet hole can spread to sample liquid inlet hole both sides fast along drainage trough, avoid detecting sample liquid and save bit by bit impact infiltration in sample liquid inlet hole, so not only make the enzymatic reaction response time shorter, and colour developing is also more even, be conducive to improving detection accuracy;
(2) structure is simple, is easy to preserve and carry, and very easy to use.
Accompanying drawing explanation
Fig. 1 is a kind of vertical view of the present utility model.
Fig. 2 is the longitudinal sectional view of Fig. 1 along A-A direction.
Fig. 3 is the partial enlarged drawing at B place in Fig. 1.
In figure: housing 1, gland 2, non-drying glue layer 3, colour developing absorbent filter 4, water-soluble barrier paper 5, cellulose acetate membrane 6, sample liquid inlet hole 7, drainage trough 8, can take off waterproof paper 9, protuberance 10.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
As Fig. 1, the heavy metal ion quick detection test paper box of a kind of even colour developing shown in Fig. 2, comprise housing 1 and the gland 2 suitable with housing, housing is the rectangular structure of open top, folded successively from the bottom up in housing have non-drying glue layer 3, be fixed with the colour developing absorbent filter 4 of urea and cresol red, water-soluble barrier paper 5 and be fixed with the cellulose acetate membrane 6 of urase, gland water white transparency, gland has sample liquid inlet hole 7, be stained with outside sample liquid inlet hole and can take off waterproof paper 9, drainage trough 8 is provided with bottom gland, drainage trough is positioned at sample liquid inlet hole both sides and is connected with sample liquid inlet hole, the end at gland two ends is outwardly is formed with protuberance 10 (see Fig. 3), inner walls is provided with the draw-in groove suitable with protuberance, gland be crimped on the cellulose acetate membrane surface that is fixed with urase and by protuberance and draw-in groove coordinate and housing connects and fixes, and the end face of gland surfaces and housing flushes.
The utility model is by contrasting color with its standard color comparison card used that matches, the roughly content of heavy metal ion in sample can be judged, concrete using method is: after opening the waterproof paper taken off in the utility model, separately get a suction pipe pipette samples (if needing when sample pH value is more than 7.5 with rare acid for adjusting pH to neutral) about 2 ~ 4mL, slowly instill sample liquid inlet hole, wait for that sample liquid is absorbed rear wait after 10 ~ 15 minutes completely, observe color of the present utility model and compare with standard color comparison card color, by the roughly content range of total heavy metal in comparison just known sample, in sample liquid, concentration of heavy metal ion should present yellow lower than detectability, higher than detectability then in aubergine, in sample liquid, concentration of heavy metal ion is higher then purplish red darker, detect very quick and convenient.
Claims (4)
1. the heavy metal ion quick detection test paper box evenly developed the color, it is characterized in that, comprise housing (1) and the gland suitable with housing (2), described housing is the rectangular structure of open top, non-drying glue layer (3) is provided with from the bottom up successively in housing, be fixed with the colour developing absorbent filter (4) of urea and cresol red, water-soluble barrier paper (5) and be fixed with the cellulose acetate membrane (6) of urase, described gland water white transparency, gland is provided with sample liquid inlet hole (7), drainage trough (8) is provided with bottom described gland, described drainage trough is positioned at sample liquid inlet hole both sides and is connected with sample liquid inlet hole, gland be crimped on be fixed with urase cellulose acetate membrane surface and connect and fix with housing.
2. the heavy metal ion quick detection test paper box of even colour developing according to claim 1, is characterized in that, is provided with and can takes off waterproof paper (9) outside described sample liquid inlet hole.
3. the heavy metal ion quick detection test paper box of even colour developing according to claim 1, it is characterized in that, the end face of described gland surfaces and housing flushes.
4. the heavy metal ion quick detection test paper box of even colour developing according to claim 1, it is characterized in that, the end at described gland two ends is outwardly is formed with protuberance (10), described inner walls is provided with the draw-in groove suitable with protuberance, and described gland is connected and fixed with housing with coordinating of draw-in groove by protuberance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520192735.9U CN204575541U (en) | 2015-03-31 | 2015-03-31 | A kind of heavy metal ion quick detection test paper box of even colour developing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520192735.9U CN204575541U (en) | 2015-03-31 | 2015-03-31 | A kind of heavy metal ion quick detection test paper box of even colour developing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204575541U true CN204575541U (en) | 2015-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520192735.9U Expired - Fee Related CN204575541U (en) | 2015-03-31 | 2015-03-31 | A kind of heavy metal ion quick detection test paper box of even colour developing |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109297867A (en) * | 2018-10-15 | 2019-02-01 | 成都理工大学 | A kind of contaminated area field quick detection pipe and detection method |
| CN113466220A (en) * | 2021-06-17 | 2021-10-01 | 南通鑫铭环保技术有限公司 | Heavy metal ion detection device in waste water |
| CN115028886A (en) * | 2022-06-21 | 2022-09-09 | 贺州学院 | Bisdemethoxycurcumin color development film for detecting lead ions, preparation method thereof and lead ion rapid detection method |
| CN115201186A (en) * | 2022-07-14 | 2022-10-18 | 天宇华宏(北京)医学科技股份有限公司 | Test strip for detecting uric acid in saliva and preparation method thereof |
-
2015
- 2015-03-31 CN CN201520192735.9U patent/CN204575541U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109297867A (en) * | 2018-10-15 | 2019-02-01 | 成都理工大学 | A kind of contaminated area field quick detection pipe and detection method |
| CN109297867B (en) * | 2018-10-15 | 2023-10-13 | 成都理工大学 | On-site rapid detection tube and detection method for polluted area |
| CN113466220A (en) * | 2021-06-17 | 2021-10-01 | 南通鑫铭环保技术有限公司 | Heavy metal ion detection device in waste water |
| CN113466220B (en) * | 2021-06-17 | 2023-12-12 | 西安福天宝环保科技有限公司 | Detection device for heavy metal ions in wastewater |
| CN115028886A (en) * | 2022-06-21 | 2022-09-09 | 贺州学院 | Bisdemethoxycurcumin color development film for detecting lead ions, preparation method thereof and lead ion rapid detection method |
| CN115028886B (en) * | 2022-06-21 | 2023-11-21 | 贺州学院 | Didemethoxycurcumin chromogenic film for detecting lead ions, preparation method thereof and rapid lead ion detection method |
| CN115201186A (en) * | 2022-07-14 | 2022-10-18 | 天宇华宏(北京)医学科技股份有限公司 | Test strip for detecting uric acid in saliva and preparation method thereof |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150819 Termination date: 20170331 |