CN103487433B - 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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- CN103487433B CN103487433B CN201310441416.2A CN201310441416A CN103487433B CN 103487433 B CN103487433 B CN 103487433B CN 201310441416 A CN201310441416 A CN 201310441416A CN 103487433 B CN103487433 B CN 103487433B
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- test paper
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- cobalt ion
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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 ion detection technique, more particularly, to a kind of cobalt using 5-br-tadap as developer from
Sub- Test paper and preparation method thereof and using method.
Background technology
Cobalt is one of essential trace element of organism, has important physiological action.It is that the composition of vitamin b12 becomes
Point, it is the component of some enzymes or the cofactor of catalysis activity, there is the effect stimulating hemopoietic, and the generation to some trace element
Thank to certain impact.
But, excessive cobalt has certain hazardness to human body and biology.Excess intake can cause cobalt to be poisoned, and often shows as
Erubescence, retrosternal pain, Nausea and vomiting, tinnitus and nerve deafness, it may also occur that erythrocytosiss, severe one leads to
Anoxia cyanosis, stupor are even dead, and such as treatment not in time, can directly or indirectly affect Growth of Intelligence in Children.
Therefore, cobalt ion content detection is in field tools such as commercial production, environment measuring, agriculture application, medical science, food safetys
Significant.The detection method of cobalt content has spectrophotography, atomic absorption spectrography (AAS), polarography, high-efficient liquid phase color at present
Spectrometry, chemoluminescence method, plasma emlssion spectrometry etc., these detection methods, do not require nothing more than laboratory condition, Er Qiejian
The survey time is longer, and expense is also higher, is unfavorable for realizing field quick detection.
Content of the invention
In view of this, it is an object of the invention to provide a kind of cobalt ion Test paper and preparation method thereof and using method,
Using 5-br-tadap as developer, this reagent paper makes simply, with low cost, easy to carry, can at the scene quickly and easily
Detection concentration of cobalt ions.
The preparation method of the cobalt ion Test paper of the present invention, specifically includes following steps:
A. 5-br-tadap0.048～0.48 gram is dissolved in 20 milliliters of dehydrated alcohol, after mix homogeneously, add 0.04
～0.4 gram of edta, mix homogeneously, finally it is settled to 100 milliliters with aquae destillata, prepare impregnation liquid；
B. filter paper is immersed taking-up after infiltrating 1 minute in the impregnation liquid that described step a is prepared and colour developing reagent paper is obtained after being dried.
Further, also include step c. described colour developing reagent paper is bonded and fixed on lamelliform plastic substrate；
Further, in described step b, the drying meanss of filter paper are to dry at room temperature；
Further, the purity of described 5-br-tadap, dehydrated alcohol and edta be analysis pure.
The cobalt ion Test paper that the preparation method of the cobalt ion Test paper of the present invention is obtained, described Test paper includes
Take out after being infiltrated in the impregnation liquid being made up of 5-br-tadap, edta, dehydrated alcohol and distilled water using filter paper and make after being dried
The colour developing reagent paper obtaining.
Further, described Test paper also includes the substrate for fixing and carrying described colour developing reagent paper, described colour developing examination
Paper takes out after infiltrating in described impregnation liquid after being dried and is fixed on described substrate；
Further, described substrate is pvc or pet plastic tab；
Further, described colour developing reagent paper is bonded and fixed to substrate；
Further, at least side edge of described substrate extends to outside colour developing reagent paper.
The using method of the cobalt ion Test paper that the preparation method of the cobalt ion Test paper of the present invention is obtained, will be described
Take out after 1～2 second in colour developing reagent paper immersion prepare liquid containing cobalt；Colour developing reagent paper is changed into aubergine；Again by this colour developing reagent paper and mark
Quasi- colour atla contrast；The depth according to color realizes the detection to cobalt content.
The invention has the beneficial effects as follows: cobalt ion Test paper of the present invention and preparation method thereof and using method, this inspection
Test paper making is simple, with low cost, easy to use, free from environmental pollution, environmental；Test scope is wide, without professional
Operation, is particularly well-suited to rapid field detection cobalt content.
Brief description
The invention will be further described with reference to the accompanying drawings and examples:
Fig. 1 is the structural representation of the present invention.
Specific embodiment
Fig. 1 is the structural representation of the present invention, as shown in the figure:
Embodiment 1: the preparation method of the cobalt ion Test paper of the present embodiment, specifically include following steps:
A. 5-br-tadap0.048 gram is dissolved in 20 milliliters of dehydrated alcohol, after mix homogeneously, add 0.04 gram
Edta, mix homogeneously, finally it is settled to 100 milliliters with aquae destillata, prepare impregnation liquid；5-br-tadap is 2-(5- bromo- 2- thiazole
Azo) -5- diethylaminophenol；
B. filter paper is immersed taking-up after infiltrating 1 minute in the impregnation liquid that described step a is prepared and colour developing reagent paper is obtained after being dried
2, and colour developing reagent paper 2 is stored in light tight dark place；, using 5-br-tadap as developer, immersion is molten containing cobalt for this colour developing reagent paper 2
In liquid, colour developing reagent paper 2 is changed into aubergine, with the increase of cobalt concentration in prepare liquid, the aobvious color of institute progressively deepen from light violet magenta be
Royal purple, colour developing is clear, obvious, right by can realize this colour developing reagent paper 2 and standard color card contrast according to the depth of color
The detection of cobalt content is it is adaptable to rapid field detects cobalt content.
In the present embodiment, also include step c. and described colour developing reagent paper 2 be bonded and fixed on lamelliform plastic substrate 1,
Put in the moistureproof packaging bag of lucifuge and preserve, that is, make a kind of reagent paper of detection cobalt, be easy to, by arranging substrate 1, the reagent paper 2 that develops the color
Take and store and beneficial to keep colour developing reagent paper 2 chemical property.
In the present embodiment, in described step b, the drying meanss of filter paper are to dry at room temperature, make simple, with low cost.
In the present embodiment, it is pure that the purity of described 5-br-tadap, dehydrated alcohol and edta is analysis.
Embodiment 2: the preparation method of the cobalt ion Test paper of the present embodiment, specifically include following steps:
A. 5-br-tadap0.48 gram is dissolved in 20 milliliters of dehydrated alcohol, after mix homogeneously, add 0.4 gram
Edta, mix homogeneously, finally it is settled to 100 milliliters with aquae destillata, prepare impregnation liquid；5-br-tadap is 2-(5- bromo- 2- thiazole
Azo) -5- diethylaminophenol；
B. filter paper is immersed taking-up after infiltrating 1 minute in the impregnation liquid that described step a is prepared and colour developing reagent paper is obtained after being dried
2, and colour developing reagent paper 2 is stored in light tight dark place；, using 5-br-tadap as developer, immersion is molten containing cobalt for this colour developing reagent paper 2
In liquid, colour developing reagent paper 2 is changed into aubergine, with the increase of cobalt concentration in prepare liquid, the aobvious color of institute progressively deepen from light violet magenta be
Royal purple, colour developing is clear, obvious, right by can realize this colour developing reagent paper 2 and standard color card contrast according to the depth of color
The detection of cobalt content is it is adaptable to rapid field detects cobalt content.
In the present embodiment, also include step c. and described colour developing reagent paper 2 be bonded and fixed on lamelliform plastic substrate 1,
Put in the moistureproof packaging bag of lucifuge and preserve, that is, make a kind of reagent paper of detection cobalt, be easy to, by arranging substrate 1, the reagent paper 2 that develops the color
Take and store and beneficial to keep colour developing reagent paper 2 chemical property.
In the present embodiment, in described step b, the drying meanss of filter paper are to dry at room temperature, make simple, with low cost.
In the present embodiment, it is pure that the purity of described 5-br-tadap, dehydrated alcohol and edta is analysis.
Embodiment 3: the preparation method of the cobalt ion Test paper of the present embodiment, specifically include following steps:
A. 5-br-tadap0.25 gram is dissolved in 20 milliliters of dehydrated alcohol, after mix homogeneously, add 0.22 gram
Edta, mix homogeneously, finally it is settled to 100 milliliters with aquae destillata, prepare impregnation liquid；5-br-tadap is 2-(5- bromo- 2- thiazole
Azo) -5- diethylaminophenol；
B. filter paper is immersed taking-up after infiltrating 1 minute in the impregnation liquid that described step a is prepared and colour developing reagent paper is obtained after being dried
2, and colour developing reagent paper 2 is stored in light tight dark place；, using 5-br-tadap as developer, immersion is molten containing cobalt for this colour developing reagent paper 2
In liquid, colour developing reagent paper 2 is changed into aubergine, with the increase of cobalt concentration in prepare liquid, the aobvious color of institute progressively deepen from light violet magenta be
Royal purple, colour developing is clear, obvious, right by can realize this colour developing reagent paper 2 and standard color card contrast according to the depth of color
The detection of cobalt content is it is adaptable to rapid field detects cobalt content.
In the present embodiment, also include step c. and described colour developing reagent paper 2 be bonded and fixed on lamelliform plastic substrate 1,
Put in the moistureproof packaging bag of lucifuge and preserve, that is, make a kind of reagent paper of detection cobalt, be easy to, by arranging substrate 1, the reagent paper 2 that develops the color
Take and store and beneficial to keep colour developing reagent paper 2 chemical property.
In the present embodiment, in described step b, the drying meanss of filter paper are to dry at room temperature, make simple, with low cost.
In the present embodiment, it is pure that the purity of described 5-br-tadap, dehydrated alcohol and edta is analysis.
Embodiment 4: the cobalt ion Test paper of the present embodiment, by embodiment 1, embodiment 2 or the cobalt described in embodiment 3 from
The preparation method of sub- Test paper is obtained, and described Test paper is included using filter paper by 5-br-tadap, edta, dehydrated alcohol
The colour developing reagent paper 2 being obtained after being dried is taken out, described filter paper can be qualitative filter paper after infiltrating in the impregnation liquid forming with distilled water
Or quantitative filter paper, all enable the object of the invention, using 5-br-tadap as developer, develop the color when detecting cobalt ion clear, bright
Aobvious.
In the present embodiment, described Test paper also includes the substrate 1 for fixing and carrying described colour developing reagent paper 2, described
Colour developing reagent paper 2 takes out after infiltrating in described impregnation liquid after being dried and is fixed on described substrate 1, i.e. the colour developing reagent paper 2 of Test paper
Part is taken out after infiltrating in the impregnation liquid being made up of 5-br-tadap, edta, dehydrated alcohol and distilled water after being dried and is obtained；Logical
Cross setting substrate 1 be easy to develop the color reagent paper 2 take and store and beneficial to keep colour developing reagent paper 2 chemical property.
In the present embodiment, described substrate 1 is pvc or pet plastic tab, and material source is wide, and with low cost, pvc or pet moulds
Material thin slice stable chemical performance, is hardly damaged.
In the present embodiment, described colour developing reagent paper 2 is bonded and fixed to substrate 1, is easy to manufacture.
In the present embodiment, at least side edge of described substrate 1 extends to outside colour developing reagent paper 2, and its extension can use
In hand-held, rational in infrastructure, it is easy to the use of Test paper.
Embodiment 5, is obtained by the preparation method of embodiment 1, embodiment 2 or the cobalt ion Test paper described in embodiment 3
Cobalt ion Test paper using method, by described colour developing reagent paper 2 immerse after 1～2 second in prepare liquid containing cobalt take out；Colour developing
Reagent paper 2 is changed into aubergine；Again by this colour developing reagent paper 2 and standard color card contrast；The depth according to color realizes the inspection to cobalt content
Survey；Colour developing the shown color of reagent paper 2 is progressively deepened as royal purple, test from light violet magenta with the increase of cobalt concentration in prepare liquid
Scope is wide, without professional's operation, be particularly well-suited to rapid field detection cobalt content.
Finally illustrate, above example only in order to technical scheme to be described and unrestricted, although with reference to relatively
Good embodiment has been described in detail to the present invention, it will be understood by those within the art that, can be to the skill of the present invention
Art scheme is modified or equivalent, the objective without deviating from technical solution of the present invention and scope, and it all should be covered at this
In the middle of the right of invention.
Claims (6)
1. a kind of preparation method of cobalt ion Test paper it is characterised in that: specifically include following steps:
A. 5-br-tadap0.048～0.48 gram is dissolved in 20 milliliters of dehydrated alcohol, after mix homogeneously, add 0.04～
0.4 gram of edta, mix homogeneously, finally it is settled to 100 milliliters with aquae destillata, prepare impregnation liquid；
B. filter paper is immersed taking-up after infiltrating 1 minute in the impregnation liquid that described step a is prepared and colour developing reagent paper is obtained after being dried；To show
Color reagent paper is stored in light tight dark place；
C. described colour developing reagent paper is bonded and fixed on lamelliform plastic substrate.
2. cobalt ion Test paper according to claim 1 preparation method it is characterised in that: filter paper in described step b
Drying meanss be dry at room temperature.
3. cobalt ion Test paper according to claim 1 preparation method it is characterised in that: described 5-br-tadap,
It is pure that the purity of dehydrated alcohol and edta is analysis.
4. the cobalt ion Test paper described in a kind of any claim by claims 1 to 3 preparation method be obtained cobalt from
Sub- Test paper it is characterised in that: described Test paper include using filter paper by 5-br-tadap, edta, dehydrated alcohol and
The colour developing reagent paper being obtained after being dried is taken out after infiltrating in the impregnation liquid of distilled water composition.
5. cobalt ion Test paper according to claim 4 it is characterised in that: described substrate be pvc or pet plastics thin
Piece.
6. cobalt ion Test paper according to claim 5 it is characterised in that: at least side edge of described substrate extends
To colour developing reagent paper.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310441416.2A CN103487433B (en) | 2013-09-25 | 2013-09-25 | Cobalt ion test paper as well as preparation method and use method thereof |
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| CN201310441416.2A CN103487433B (en) | 2013-09-25 | 2013-09-25 | Cobalt ion test paper as well as preparation method and use method thereof |
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| CN103487433A CN103487433A (en) | 2014-01-01 |
| CN103487433B true CN103487433B (en) | 2017-01-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109187516B (en) * | 2018-07-11 | 2021-07-30 | 沈阳理工大学 | Test paper for determining cobalt concentration and determination method |
| 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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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010160113A (en) * | 2009-01-09 | 2010-07-22 | Sumitomo Electric Ind Ltd | Reagent and test material and method for detecting cobalt |
| CN101545867B (en) * | 2009-03-25 | 2011-11-09 | 昆明泊银科技有限公司 | Copper ion test paper and method for preparing same |
| CN102419326B (en) * | 2011-08-18 | 2013-07-17 | 昆明泊银科技有限公司 | Preparation method of test paper for detecting hexavalent chromium ions |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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