CN103487433A - Cobalt ion test paper as well as preparation method and use method thereof - Google Patents
Cobalt ion test paper as well as preparation method and use method thereof Download PDFInfo
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- CN103487433A CN103487433A CN201310441416.2A CN201310441416A CN103487433A CN 103487433 A CN103487433 A CN 103487433A CN 201310441416 A CN201310441416 A CN 201310441416A CN 103487433 A CN103487433 A CN 103487433A
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Abstract
The invention discloses cobalt ion test paper as well as a preparation method and a use method thereof. The test paper is prepared by immersing filter paper in an immersion solution, taking out and drying; the immersion solution is prepared by dissolving 0.048-0.48 g of 5-Br-TADAP in 20 ml of absolute ethanol, uniformly mixing, adding 0.04-0.4 g of EDTA (ethylene diamine tetraacetic acid), uniformly mixing, and finally fixing the volume to 100 ml by distilled water. The test paper is simple to prepare, low in cost, convenient to use, free from environmental pollution, favorable for environmental protection and wide in test range, does not need to be operated by professionals and is especially suitable for quickly detecting the cobalt content on site.
Description
Technical field
The present invention relates to a kind of cobalt ions detection technique, relate in particular to a kind of 5-Br-TADAP of usining as cobalt ions Test paper of developer and preparation method thereof and using method.
Background technology
Cobalt is one of essential trace element of biosome, has important physiological action.It is the constituent of cobalamin, is the component of some enzyme or the cofactor of catalytic activity, has the effect of hematopoietic stimulation, and micro-metabolism has certain influence to some.
But excessive cobalt has certain harmfulness to human body and biology.Excess intake can cause that cobalt is poisoning, often show as flush, retrosternal pain, feel sick, vomiting, tinnitus and nerve deafness, also polycythemia can appear, severe one causes anoxic cyanosis, stupor even dead, as treated not in time, can directly or indirectly affect Growth of Intelligence in Children.
Therefore, the cobalt ions content detection is significant in fields such as commercial production, environment measuring, agriculture application, medical science, food securities.The detection method of cobalt content has spectrophotometric method, atomic absorption spectrography (AAS), polarography, high performance liquid chromatography, chemoluminescence method, plasma emission spectroscopy method etc. at present, these detection methods, not only require to have laboratory condition, and detection time is longer, expense is also higher, is unfavorable for realizing field quick detection.
Summary of the invention
In view of this, the purpose of this invention is to provide a kind of cobalt ions Test paper and preparation method thereof and using method, using 5-Br-TADAP as developer, this test paper is made simple, with low cost, easy to carry, can detect quickly and easily at the scene concentration of cobalt ions.
The preparation method of cobalt ions Test paper of the present invention specifically comprises the following steps:
A. 5-Br-TADAP0.048～0.48 gram is dissolved in 20 milliliters of absolute ethyl alcohols, after mixing, then add the EDTA of 0.04～0.4 gram, mix, finally with aquae destillata, be settled to 100 milliliters, the preparation maceration extract;
B. filter paper is immersed in the maceration extract of described step a preparation after infiltrating 1 minute after taking out drying and make the colour developing test paper.
Further, also comprise that step c is adhesively fixed described colour developing test paper on lamelliform plastic substrate;
Further, in described step b the drying means of filter paper at room temperature drying;
Further, it is pure that the purity of described 5-Br-TADAP, absolute ethyl alcohol and EDTA is analysis.
The cobalt ions Test paper that the preparation method of cobalt ions Test paper of the present invention makes, described Test paper comprises that employing filter paper infiltrates the rear colour developing test paper made after drying that takes out in the maceration extract be comprised of 5-Br-TADAP, EDTA, absolute ethyl alcohol and distilled water.
Further, described Test paper also comprises that, for fixing and carry the substrate of described colour developing test paper, described colour developing test paper is fixed in described substrate take out drying after infiltrating in described maceration extract after;
Further, described substrate is PVC or PET plastic tab;
Further, described colour developing test paper is adhesively fixed in substrate;
Further, at least one side of described substrate is along extending to colour developing test paper outside.
The using method of the cobalt ions Test paper that the preparation method of cobalt ions Test paper of the present invention makes, immerse described colour developing test paper containing taking out after 1～2 second in cobalt liquid to be measured; The colour developing test paper becomes aubergine; Again by this colour developing test paper and standard color card contrast; Realize the detection to cobalt content according to the depth of color.
The invention has the beneficial effects as follows: cobalt ions Test paper of the present invention and preparation method thereof and using method, this Test paper is made simple, with low cost, easy to use, free from environmental pollution, environmental; Test specification is wide, without professional's operation, be specially adapted to quick Site Detection cobalt content.
The accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is structural representation of the present invention.
Embodiment
Fig. 1 is structural representation of the present invention, as shown in the figure:
Embodiment 1: the preparation method of the cobalt ions Test paper of the present embodiment specifically comprises the following steps:
A. the 5-Br-TADAP0.048 gram is dissolved in 20 milliliters of absolute ethyl alcohols, after mixing, then add the EDTA of 0.04 gram, mix, finally with aquae destillata, be settled to 100 milliliters, the preparation maceration extract; 5-Br-TADAP is the bromo-2-thiazolylazo of 2-(5-)-the 5-diethylaminophenol;
B. filter paper is immersed in the maceration extract of described step a preparation after infiltrating 1 minute after taking out drying and make colour developing test paper 2, and the test paper 2 that will develop the color is stored in light tight dark place; This colour developing test paper 2 is usingd 5-Br-TADAP as developer, immerse colour developing test paper 2 in cobalt-carrying solution and become aubergine, increase along with cobalt concentration in liquid to be measured, aobvious color is progressively deepened as royal purple from light violet magenta, develop the color clear, obvious, by this colour developing test paper 2 and standard color card contrast can be realized to the detection to cobalt content according to the depth of color, be applicable to quick Site Detection cobalt content.
In the present embodiment, also comprise that step c is adhesively fixed described colour developing test paper 2 on lamelliform plastic substrate 1, putting into the packaging bag of lucifuge protection against the tide preserves, make a kind of test paper that detects cobalt, by substrate 1 be convenient to develop the color taking of test paper 2 and store and be beneficial to the chemical property that keeps colour developing test paper 2 is set.
In the present embodiment, in described step b, the drying means of filter paper, at room temperature drying, is made simple, with low cost.
In the present embodiment, it is pure that the purity of described 5-Br-TADAP, absolute ethyl alcohol and EDTA is analysis.
Embodiment 2: the preparation method of the cobalt ions Test paper of the present embodiment specifically comprises the following steps:
A. the 5-Br-TADAP0.48 gram is dissolved in 20 milliliters of absolute ethyl alcohols, after mixing, then add the EDTA of 0.4 gram, mix, finally with aquae destillata, be settled to 100 milliliters, the preparation maceration extract; 5-Br-TADAP is the bromo-2-thiazolylazo of 2-(5-)-the 5-diethylaminophenol;
B. filter paper is immersed in the maceration extract of described step a preparation after infiltrating 1 minute after taking out drying and make colour developing test paper 2, and the test paper 2 that will develop the color is stored in light tight dark place; This colour developing test paper 2 is usingd 5-Br-TADAP as developer, immerse colour developing test paper 2 in cobalt-carrying solution and become aubergine, increase along with cobalt concentration in liquid to be measured, aobvious color is progressively deepened as royal purple from light violet magenta, develop the color clear, obvious, by this colour developing test paper 2 and standard color card contrast can be realized to the detection to cobalt content according to the depth of color, be applicable to quick Site Detection cobalt content.
In the present embodiment, also comprise that step c is adhesively fixed described colour developing test paper 2 on lamelliform plastic substrate 1, putting into the packaging bag of lucifuge protection against the tide preserves, make a kind of test paper that detects cobalt, by substrate 1 be convenient to develop the color taking of test paper 2 and store and be beneficial to the chemical property that keeps colour developing test paper 2 is set.
In the present embodiment, in described step b, the drying means of filter paper, at room temperature drying, is made simple, with low cost.
In the present embodiment, it is pure that the purity of described 5-Br-TADAP, absolute ethyl alcohol and EDTA is analysis.
Embodiment 3: the preparation method of the cobalt ions Test paper of the present embodiment specifically comprises the following steps:
A. the 5-Br-TADAP0.25 gram is dissolved in 20 milliliters of absolute ethyl alcohols, after mixing, then add the EDTA of 0.22 gram, mix, finally with aquae destillata, be settled to 100 milliliters, the preparation maceration extract; 5-Br-TADAP is the bromo-2-thiazolylazo of 2-(5-)-the 5-diethylaminophenol;
B. filter paper is immersed in the maceration extract of described step a preparation after infiltrating 1 minute after taking out drying and make colour developing test paper 2, and the test paper 2 that will develop the color is stored in light tight dark place; This colour developing test paper 2 is usingd 5-Br-TADAP as developer, immerse colour developing test paper 2 in cobalt-carrying solution and become aubergine, increase along with cobalt concentration in liquid to be measured, aobvious color is progressively deepened as royal purple from light violet magenta, develop the color clear, obvious, by this colour developing test paper 2 and standard color card contrast can be realized to the detection to cobalt content according to the depth of color, be applicable to quick Site Detection cobalt content.
In the present embodiment, also comprise that step c is adhesively fixed described colour developing test paper 2 on lamelliform plastic substrate 1, putting into the packaging bag of lucifuge protection against the tide preserves, make a kind of test paper that detects cobalt, by substrate 1 be convenient to develop the color taking of test paper 2 and store and be beneficial to the chemical property that keeps colour developing test paper 2 is set.
In the present embodiment, in described step b, the drying means of filter paper, at room temperature drying, is made simple, with low cost.
In the present embodiment, it is pure that the purity of described 5-Br-TADAP, absolute ethyl alcohol and EDTA is analysis.
Embodiment 4: the cobalt ions Test paper of the present embodiment, preparation method by embodiment 1, embodiment 2 or the described cobalt ions Test paper of embodiment 3 makes, described Test paper comprises that employing filter paper infiltrates the rear colour developing test paper 2 made after drying that takes out in the maceration extract be comprised of 5-Br-TADAP, EDTA, absolute ethyl alcohol and distilled water, described filter paper can be qualitative filter paper or quantitative filter paper, all can realize the object of the invention, using 5-Br-TADAP as developer, and while detecting cobalt ions, colour developing is clear, obvious.
In the present embodiment, described Test paper also comprises for fixing and carry the substrate 1 of described colour developing test paper 2, described colour developing test paper 2 is fixed in described substrate 1 take out drying after infiltrating in described maceration extract after, and colour developing test paper 2 parts of Test paper make take out drying after infiltrating in the maceration extract be comprised of 5-Br-TADAP, EDTA, absolute ethyl alcohol and distilled water after; By substrate 1 be convenient to develop the color taking of test paper 2 and store and be beneficial to the chemical property that keeps colour developing test paper 2 is set.
In the present embodiment, described substrate 1 is PVC or PET plastic tab, and material source is wide, with low cost, and PVC or PET plastic tab stable chemical performance are not fragile.
In the present embodiment, described colour developing test paper 2 is adhesively fixed in substrate 1, is convenient to manufacture.
In the present embodiment, at least one side of described substrate 1 is along extending to colour developing test paper 2 outsides, and its extension can be used for hand-held, rational in infrastructure, is convenient to the use of Test paper.
Embodiment 5, and the using method of the cobalt ions Test paper made by the preparation method of embodiment 1, embodiment 2 or the described cobalt ions Test paper of embodiment 3 immerses described colour developing test paper 2 containing taking out after 1～2 second in cobalt liquid to be measured; Colour developing test paper 2 becomes aubergine; Again by this colour developing test paper 2 and standard color card contrast; Realize the detection to cobalt content according to the depth of color; Colour developing test paper 2 show color and progressively deepen as royal purple from light violet magenta along with the increase of cobalt concentration in liquid to be measured, test specification is wide, without the professional, operate, and is specially adapted to quick Site Detection cobalt content.
Finally explanation is, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although with reference to preferred embodiment, the present invention is had been described in detail, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not breaking away from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (10)
1. the preparation method of a cobalt ions Test paper is characterized in that: specifically comprise the following steps:
A. 5-Br-TADAP0.048～0.48 gram is dissolved in 20 milliliters of absolute ethyl alcohols, after mixing, then add the EDTA of 0.04～0.4 gram, mix, finally with aquae destillata, be settled to 100 milliliters, the preparation maceration extract;
B. filter paper is immersed in the maceration extract of described step a preparation after infiltrating 1 minute after taking out drying and make the colour developing test paper.
2. the preparation method of cobalt ions Test paper according to claim 1, is characterized in that: also comprise that step c is adhesively fixed described colour developing test paper on lamelliform plastic substrate.
3. the preparation method of cobalt ions Test paper according to claim 2, it is characterized in that: in described step b, the drying means of filter paper is at room temperature drying.
4. the preparation method of cobalt ions Test paper according to claim 1 is characterized in that: the purity of described 5-Br-TADAP, absolute ethyl alcohol and EDTA be analyze pure.
5. the cobalt ions Test paper made by the preparation method of the described cobalt ions Test paper of the arbitrary claim of claim 1 to 4 is characterized in that: described Test paper comprises and adopts filter paper to infiltrate the colour developing test paper made after taking-up drying afterwards in the maceration extract is comprised of 5-Br-TADAP, EDTA, absolute ethyl alcohol and distilled water.
6. cobalt ions Test paper according to claim 5 is characterized in that: described Test paper also comprises that described colour developing test paper is fixed in described substrate take out drying after infiltrating in described maceration extract after for fixing and carry the substrate of described colour developing test paper.
7. cobalt ions Test paper according to claim 6, it is characterized in that: described substrate is PVC or PET plastic tab.
8. cobalt ions Test paper according to claim 7, it is characterized in that: described colour developing test paper is adhesively fixed in substrate.
9. cobalt ions Test paper according to claim 8 is characterized in that: at least one side of described substrate is along extending to colour developing test paper outside.
10. the using method of the cobalt ions Test paper that in a claim 1 to 4, the preparation method of the described cobalt ions Test paper of arbitrary claim makes is characterized in that: described colour developing test paper is immersed containing taking out after 1～2 second in cobalt liquid to be measured; The colour developing test paper becomes aubergine; Again by this colour developing test paper and standard color card contrast; Realize the detection to cobalt content according to the depth of color.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104792781A (en) * | 2015-04-30 | 2015-07-22 | 张舒捷 | Detection test strip for Barium ion in drinking water and water source and detection method thereof |
| CN109030476A (en) * | 2018-07-20 | 2018-12-18 | 安徽原上草节能环保科技有限公司 | Preparation method, detection paper tube and the detection method of detection paper tube for cobalt ions |
| CN109187516A (en) * | 2018-07-11 | 2019-01-11 | 沈阳理工大学 | A kind of test paper and measuring method measuring cobalt concentration |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108827957A (en) * | 2018-08-22 | 2018-11-16 | 重庆巨能建设集团路桥工程有限公司 | The method for detecting salt content in salinized soil |
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| CN101545867A (en) * | 2009-03-25 | 2009-09-30 | 云南清洁能源科技有限公司 | Copper ion test paper and method for preparing same |
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| JP2010160113A (en) * | 2009-01-09 | 2010-07-22 | Sumitomo Electric Ind Ltd | Reagent and test material and method for detecting cobalt |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104792781A (en) * | 2015-04-30 | 2015-07-22 | 张舒捷 | Detection test strip for Barium ion in drinking water and water source and detection method thereof |
| CN104792781B (en) * | 2015-04-30 | 2015-11-18 | 张舒捷 | Barium ion test strip and detection method in a kind of potable water and water source |
| CN109187516A (en) * | 2018-07-11 | 2019-01-11 | 沈阳理工大学 | A kind of test paper and measuring method measuring cobalt concentration |
| CN109030476A (en) * | 2018-07-20 | 2018-12-18 | 安徽原上草节能环保科技有限公司 | Preparation method, detection paper tube and the detection method of detection paper tube for cobalt ions |
| CN109030476B (en) * | 2018-07-20 | 2020-09-01 | 安徽原上草节能环保科技有限公司 | Preparation method of detection paper tube for cobalt ions, detection paper tube and detection method |
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