CN204462025U - A kind of nitrate, the dual-purpose test paper of nitrite - Google Patents
A kind of nitrate, the dual-purpose test paper of nitrite Download PDFInfo
- Publication number
- CN204462025U CN204462025U CN201520048752.5U CN201520048752U CN204462025U CN 204462025 U CN204462025 U CN 204462025U CN 201520048752 U CN201520048752 U CN 201520048752U CN 204462025 U CN204462025 U CN 204462025U
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- CN
- China
- Prior art keywords
- test paper
- colour developing
- substrate
- nitrite
- nitrate
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- Expired - Fee Related
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- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
The utility model discloses a kind of nitrate, the dual-purpose test paper of nitrite, comprise colour developing test paper fixing on substrate and substrate, it is characterized in that: described substrate is strip, described colour developing test paper is two and is separately fixed at the two ends of substrate upper surface, first colour developing test paper is for detecting nitrite, second colour developing test paper is for detecting nitrate, doubling index line is provided with in the middle part of substrate upper surface between the first colour developing test paper and the second colour developing test paper, the test paper that develops the color described in two is symmetrically distributed in the both sides of doubling index line, by described substrate after the doubling of doubling index line, the test paper that develops the color described in two can be fitted face to face.The utility model carries, easy to use, quick at the scene nitrite, nitrate can be tested simultaneously, produce, use cost is low, be particularly suitable for needing the occasion of often carrying out nitrate, nitrite detects to use.
Description
Technical field
The utility model relates to inspection technical field, specifically, relates to a kind of nitrate, the dual-purpose test paper of nitrite.
Background technology
Nitrate in the food such as soil, vegetables, nitrite can transform mutually, the World Health Organization (WHO) and FAO (Food and Agriculture Organization of the United Nation) regulation in 1973, the permission daily intaking amount ADI value of nitrate is 3.6mg/kg.d, the permission daily intaking amount ADI value of nitrite is 0.13mg/kg.d, nitrate, the nitrite pollution of China are serious, therefore, be necessary to detect the nitrate in soil, vegetables, food, nitrite.
Utilizing detection paper content of material, is one on-the-spot instant analysis method easily, because it is easy to carry, it is quick, easy and simple to handle to test, low price and being used widely.
At present, market there is the test strips that can detect nitrate, nitrite, utilized test paper and nitrate, the principle of nitrite reaction solution measured, be particularly suitable for on-the site analysis.The patent of invention " quick detection test paper of vegetables nitrite, nitrate and detection method thereof " of application number 0416663.6 discloses method for making and the detection method of test paper, but in first technology when detecting nitrate, need first in nitrate liquid to be measured, to add appropriate zinc powder, after nitrate reduction is become nitrite, detect by the detection method of nitrite again, the method weak point is, operation link is added at Test Field, and reductive agent zinc powder need be carried, do not reach Site Detection effect that is easy to carry, simple to operate, result fast and reliable.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of nitrate, nitrite dual-purpose test paper, and this test paper carries, easy to use, can detect nitrate, nitrite fast at the scene.
For solving above technical matters, the technical solution of the utility model is as follows:
A kind of nitrate, the dual-purpose test paper of nitrite, comprise colour developing test paper fixing on substrate and substrate, described substrate is strip, described colour developing test paper is two and is separately fixed at the two ends of substrate upper surface, first colour developing test paper is for detecting nitrite, second colour developing test paper is for detecting nitrate, doubling index line is provided with in the middle part of substrate upper surface between the first colour developing test paper and the second colour developing test paper, the test paper that develops the color described in two is symmetrically distributed in the both sides of doubling index line, by described substrate after the doubling of doubling index line, the test paper that develops the color described in two can be fitted face to face.
Further, described doubling index line is breakpoint line, and breakpoint line makes substrate to have tiny blind hole or through hole, leaves interval between blind hole or through hole.
Further, on the upper surface of described substrate, be printed on " 1 " near the first colour developing test paper place, be printed on " 2 " near the second colour developing test paper place.
Further, described substrate is PVC or PET sheet material, is being carved with " 1 " near the first colour developing test paper place point, is being carved with " 2 " near the second colour developing test paper place point.
Further, described colour developing test paper and substrate are with wide, and the color development face of colour developing test paper is regularly arranged honeycomb structure.The utility model is on same substrate, be fixed with two kinds of colour developing test paper, and wherein the first colour developing test paper impregnated of chromogenic reagent hydrochloride naphthodiamide and sulfanilic acid, for detecting nitrite; Second colour developing test paper impregnated of reductive agent zinc powder solution, detecting nitrate, utilizing a test strips just can detect nitrite, nitrate so simultaneously for coordinating with the first colour developing test paper.Detect nitrite be by first colour developing examination 1 immerse in liquid to be measured, take out after and colorimetric card contrast colorimetric; Detecting nitrate is immerse in liquid to be measured by the second colour developing test paper, after taking-up, by substrate along the doubling of doubling index line, allow the first colour developing test paper and first colour developing test paper tight to pressing, be close together 30-60 second, open develop the color test paper and colorimetric card of rear use first and contrast colorimetric.
The beneficial effects of the utility model are: carry, easy to use, can test nitrite, nitrate fast at the scene simultaneously, produce, use cost is low, be particularly suitable for needing the occasion of often carrying out nitrate, nitrite detects to use.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Embodiment 1: as described in Figure 1, the utility model is a kind of nitrate, the dual-purpose test paper of nitrite, by substrate 3 and the first colour developing test paper 1, second colour developing test paper 2 forms, substrate 3 is 8 centimeter length, 0.4 centimetre wide, the PVC plastic thin slice of 0.25 millimeters thick, first colour developing test paper 1 and second develops the color test paper 2 with substrate with wide, size is 0.4 centimetre Ⅹ 0.6 centimetres, and use sticking double faced adhesive tape in the two ends of substrate 3 respectively, first colour developing test paper 1 is for detecting nitrite, second colour developing test paper 2 is for detecting nitrate, substrate 3 upper surface middle part between the first colour developing test paper 1 and the second colour developing test paper 2 is provided with doubling index line 4, first colour developing test paper 1 and the second colour developing test paper 2 are symmetrically distributed in the both sides of doubling index line 4, doubling index line 4 is breakpoint lines, breakpoint line makes substrate to have tiny blind hole, interval is left between blind hole, breakpoint line makes substrate 3 be easy to doubling.On the upper surface of substrate 3, be printed on " 1 " near the first colour developing test paper 1 place, be printed on " 2 " near the second colour developing test paper 2 place, stamp mark on colour developing test paper side, conveniently carry out colorimetric, prevent from surveying by mistake, by described substrate 3 after the doubling of doubling index line, two colour developing test paper can be fitted face to face.
Embodiment 2: as described in Figure 1, the present embodiment is a kind of nitrate, nitrite compound test paper, be made up of substrate 3 and the first colour developing test paper 1, second colour developing test paper 2, substrate 3 is 10 centimeter length, 0.6 centimetre wide, the PEC plastic tab of 0.28 millimeters thick, two colour developing test paper color development faces are regularly arranged honeycomb structures, the phase grounding connection arrangement of honeycomb structure each limit, honeycomb structure expands effective detection faces of colour developing test paper sorbing material color development face in unit volume.On the one hand, Test paper matrix and detection paper can be strengthened fill a prescription the compositeness of liquid in the process of preparation, promote the ability of colour developing test paper matrix absorption detection paper formula liquid, and then the sensitivity that raising test paper is tested; On the other hand, it, in the process detected, can expand the useful area that in unit volume, detection faces contacts with determinand to greatest extent, promotes the homogeneity detected, fast reaction speed.First colour developing test paper 1 and the second colour developing test paper 2 are with substrate 3 with wide, and the first colour developing test paper 1 and the second colour developing test paper 2 are of a size of 0.6 centimetre Ⅹ 0.6 centimetres, and use sticking double faced adhesive tape in the two ends of substrate respectively, for detecting nitrite and nitrate respectively.Substrate 3 upper surface middle part between the first colour developing test paper 1 and the second colour developing test paper 2 is provided with doubling index line 4, first colour developing test paper 1 and the second colour developing test paper 2 are symmetrically distributed in the both sides of doubling index line 4, doubling index line 4 is breakpoint lines, breakpoint line makes substrate to have tiny through hole, leave interval between through hole, breakpoint line makes substrate 3 be easy to doubling.On the upper surface of substrate 3, be printed on " 1 " near the first colour developing test paper 1 place, be printed on " 2 " near the second colour developing test paper 2 place.
Detection method: detecting nitrite is that the first colour developing test paper 1 is immersed in liquid to be measured 1-2 second, after taking-up, contrast with colorimetric card and detect content of nitrite, along with the increase of nitrite liquid concentration to be measured, the first colour developing test paper 1 color becomes royal purple from light violet magenta; Detecting nitrate is that the second colour developing test paper 2 is immersed in liquid to be measured 1-2 second, after taking-up, from doubling index line 4 place's doubling, colour developing test paper 1 and 2 is allowed to compress, be close together 30-60 second, open develop the color test paper 1 of rear use first contrast with colorimetric card, along with the increase of nitrate liquid concentration to be measured, first test paper 1 color that develops the color becomes royal purple from light violet magenta.
Above; be only the utility model preferably embodiment, but protection domain of the present utility model is not limited thereto, all within spirit of the present utility model and principle; any amendment of doing, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. a nitrate, the dual-purpose test paper of nitrite, comprise colour developing test paper fixing on substrate and substrate, it is characterized in that: described substrate is strip, described colour developing test paper is two and is separately fixed at the two ends of substrate upper surface, first colour developing test paper is for detecting nitrite, second colour developing test paper is for detecting nitrate, doubling index line is provided with in the middle part of substrate upper surface between the first colour developing test paper and the second colour developing test paper, the test paper that develops the color described in two is symmetrically distributed in the both sides of doubling index line, by described substrate after the doubling of doubling index line, the test paper that develops the color described in two can be fitted face to face.
2. a kind of nitrate according to claim 1, the dual-purpose test paper of nitrite, it is characterized in that: described doubling index line is breakpoint line, breakpoint line makes substrate to have tiny blind hole or through hole, leaves interval between blind hole or through hole.
3. a kind of nitrate according to claim 1, the dual-purpose test paper of nitrite, is characterized in that: on the upper surface of described substrate, is being printed on " 1 " near the first colour developing test paper place, is being printed on " 2 " near the second colour developing test paper place.
4. a kind of nitrate according to claim 2, the dual-purpose test paper of nitrite, is characterized in that: described substrate is PVC or PET sheet material, is being carved with " 1 " near the first colour developing test paper place point, is being carved with " 2 " near the second colour developing test paper place point.
5., according to Claims 1-4 arbitrary described a kind of nitrate, the dual-purpose test paper of nitrite, it is characterized in that: described colour developing test paper and substrate with wide, the color development face of the test paper that develops the color be regularly arranged honeycomb structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520048752.5U CN204462025U (en) | 2015-01-23 | 2015-01-23 | A kind of nitrate, the dual-purpose test paper of nitrite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520048752.5U CN204462025U (en) | 2015-01-23 | 2015-01-23 | A kind of nitrate, the dual-purpose test paper of nitrite |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204462025U true CN204462025U (en) | 2015-07-08 |
Family
ID=53668894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520048752.5U Expired - Fee Related CN204462025U (en) | 2015-01-23 | 2015-01-23 | A kind of nitrate, the dual-purpose test paper of nitrite |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204462025U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105651770A (en) * | 2016-01-08 | 2016-06-08 | 昆明泊银科技有限公司 | Double-folding type formaldehyde test paper and formaldehyde detection method |
| RU169694U1 (en) * | 2016-10-20 | 2017-03-28 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Тверской государственный университет" | Nitrate test paper |
-
2015
- 2015-01-23 CN CN201520048752.5U patent/CN204462025U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105651770A (en) * | 2016-01-08 | 2016-06-08 | 昆明泊银科技有限公司 | Double-folding type formaldehyde test paper and formaldehyde detection method |
| RU169694U1 (en) * | 2016-10-20 | 2017-03-28 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Тверской государственный университет" | Nitrate test paper |
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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: 20150708 Termination date: 20180123 |