CN101666754A - Metal ion identification method - Google Patents
Metal ion identification method Download PDFInfo
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- CN101666754A CN101666754A CN200810042441A CN200810042441A CN101666754A CN 101666754 A CN101666754 A CN 101666754A CN 200810042441 A CN200810042441 A CN 200810042441A CN 200810042441 A CN200810042441 A CN 200810042441A CN 101666754 A CN101666754 A CN 101666754A
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- metal ion
- test paper
- metal ions
- identification method
- color
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- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
Abstract
The invention relates to a metal ion identification method, which adopts metal ion identification test paper for identification, wherein the metal ion identification test paper contains a chromogenicreagent which performs a chemical reaction with corresponding metal ions; the chromogenic reagent performs color development after reacting with the corresponding metal ions; and the metal ions are identified according to the color and the shade of the color. Compared with the prior art, the metal ion identification method identifies the metal ions according to the way that chemical reactions of different metal ions on certain substances show certain color, has the advantages of simple, convenient and quick operation, quick identification, accurate results and the like, can be popularly used,and reduce the hazard of the metal ions.
Description
Technical field
The present invention relates to the ion authentication method, relate in particular to metal ion identification method.
Background technology
In chemistry and the association area thereof in order to guarantee to produce the accuracy with experimental result, need identify the content or the concentration of many ions, wherein the simplest, common authentication method detects by test paper exactly, such as being the known pH test paper of people, can be used for measuring the concentration and the Property of Acid and Alkali of Solution of hydrogen ion in the solution or hydroxide ion, easy to operate, result fast, accurately.
But existing test paper all is that hydrogen ion or hydroxide ion are identified, can not identify metallic ion.And metallic ion, as mercury, copper etc., if exist this class ion can human body be worked the mischief in the food, cosmetics, but existing technology but can't detect fast, easily, can't effectively eliminate the hidden danger of metallic ion to human body harm at any time.
Summary of the invention
Purpose of the present invention is exactly that a kind of simple to operate, result is provided in order to overcome the defective that above-mentioned prior art exists metal ion identification method accurately.
Purpose of the present invention can be achieved through the following technical solutions:
Metal ion identification method, it is characterized in that, this method adopts metallic ion evaluation test paper to identify, described metallic ion evaluation test paper contains the developer with respective metal ion chemically reactive, this developer and the colour developing of respective metal ionic reaction are identified metallic ion according to the color and the depth thereof.
Described metallic ion comprises Al
3+, Cu
2+, Cr
6+, Fe
2+Or Ni
2+
Described developer comprises pyrocatechol violet, four-(4-dimethylamino phenyl) Ye Lin, diphenylcarbazide, Phen or dimethylglyoxime.
Compared with prior art, metal ion identification method of the present invention presents certain color according to different metallic ions to the chemical reaction of some material to be identified, have advantages such as simple and convenient, that evaluation is quick, the result is accurate, can popularize use, reduce the harm of metallic ion.
Embodiment
The invention will be further described below in conjunction with specific embodiment.
Embodiment 1
A kind of Al
3+Authentication method, this method adopt metallic ion evaluation test paper to identify that described metallic ion identifies that test paper contains and Al
3+The pyrocatechol violet of chemically reactive, pyrocatechol violet and Al
3+Reaction solution, according to color and the depth thereof to Al
3+Identify.
Embodiment 2
A kind of Cu
2+Authentication method, this method adopt metallic ion evaluation test paper to identify that described metallic ion identifies that test paper contains and Cu
2+Four of chemically reactive-(4-dimethylamino phenyl) Ye Lin, four-(4-dimethylamino phenyl) Ye Lin and Cu
2Reaction solution, according to color and the depth thereof to Cu
2+Identify.
Embodiment 3
A kind of Cr
6+Authentication method, this method adopt metallic ion evaluation test paper to identify that described metallic ion identifies that test paper contains and Cr
6+The diphenylcarbazide of chemically reactive, diphenylcarbazide and Cr
6+Reaction solution, according to color and the depth thereof to Cr
6+Identify.
Embodiment 4
A kind of Fe
2+Authentication method, this method adopt metallic ion evaluation test paper to identify that described metallic ion identifies that test paper contains and Fe
2+The Phen of chemically reactive, Phen and Fe
2+Reaction shows orange red, according to color and the depth thereof to Fe
2+Identify.
Embodiment 5
A kind of Ni
2+F authentication method, this method adopt metallic ion evaluation test paper to identify that described metallic ion identifies that test paper contains and Ni
2+The dimethylglyoxime of chemically reactive, dimethylglyoxime and Ni
2+Reaction shows bright pink look, according to color and the depth thereof to Ni
2+Identify.
Claims (3)
1. metal ion identification method, it is characterized in that, this method adopts metallic ion evaluation test paper to identify, described metallic ion evaluation test paper contains the developer with respective metal ion chemically reactive, this developer and the colour developing of respective metal ionic reaction are identified metallic ion according to the color and the depth thereof.
2. metal ion identification method according to claim 1 is characterized in that described metallic ion comprises Al
3+, Cu
2+, Cr
6+, Fe
2+Or Ni
2+
3. metal ion identification method according to claim 1 is characterized in that, described developer comprises pyrocatechol violet, four-(4-dimethylamino phenyl) Ye Lin, diphenylcarbazide, Phen or dimethylglyoxime.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810042441A CN101666754A (en) | 2008-09-03 | 2008-09-03 | Metal ion identification method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810042441A CN101666754A (en) | 2008-09-03 | 2008-09-03 | Metal ion identification method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101666754A true CN101666754A (en) | 2010-03-10 |
Family
ID=41803467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810042441A Pending CN101666754A (en) | 2008-09-03 | 2008-09-03 | Metal ion identification method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101666754A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103278368A (en) * | 2013-06-21 | 2013-09-04 | 渤海大学 | Method for rapidly detecting copper ion in indicalamus leaves and instant pickles |
| CN103543143A (en) * | 2012-07-10 | 2014-01-29 | 东亚Dkk株式会社 | Chromium measurement reagent and method |
| CN104990917A (en) * | 2015-07-07 | 2015-10-21 | 王兆华 | Method for quantitatively analyzing steel surface rusting and corrosion degree |
| CN108132247A (en) * | 2016-12-01 | 2018-06-08 | 中国科学院大连化学物理研究所 | A kind of ferrous ion inspects paper and its preparation method and application soon |
-
2008
- 2008-09-03 CN CN200810042441A patent/CN101666754A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103543143A (en) * | 2012-07-10 | 2014-01-29 | 东亚Dkk株式会社 | Chromium measurement reagent and method |
| CN103543143B (en) * | 2012-07-10 | 2017-05-17 | 东亚Dkk株式会社 | Chromium measurement reagent and method |
| CN103278368A (en) * | 2013-06-21 | 2013-09-04 | 渤海大学 | Method for rapidly detecting copper ion in indicalamus leaves and instant pickles |
| CN103278368B (en) * | 2013-06-21 | 2016-01-20 | 渤海大学 | A kind of method of copper ion in quick detection rice-pudding leaf and i.e. pickles |
| CN104990917A (en) * | 2015-07-07 | 2015-10-21 | 王兆华 | Method for quantitatively analyzing steel surface rusting and corrosion degree |
| CN108132247A (en) * | 2016-12-01 | 2018-06-08 | 中国科学院大连化学物理研究所 | A kind of ferrous ion inspects paper and its preparation method and application soon |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20100310 |