CN103320119A - Carbon steel corrosion inhibitor with fluorescence recognition function and applications thereof - Google Patents
Carbon steel corrosion inhibitor with fluorescence recognition function and applications thereof Download PDFInfo
- Publication number
- CN103320119A CN103320119A CN2013102196197A CN201310219619A CN103320119A CN 103320119 A CN103320119 A CN 103320119A CN 2013102196197 A CN2013102196197 A CN 2013102196197A CN 201310219619 A CN201310219619 A CN 201310219619A CN 103320119 A CN103320119 A CN 103320119A
- Authority
- CN
- China
- Prior art keywords
- carbon steel
- recognition function
- corrosion inhibitor
- steel corrosion
- rhodamine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
The invention discloses a carbon steel corrosion inhibitor with a fluorescence recognition function and applications thereof. The carbon steel corrosion inhibitor with a fluorescence recognition function is composed of two rhodamine amide groups which are connected via a flexible chain; the flexible chain is a saturated carbon chain with four C atoms; and the saturated carbon chain contains N atoms. The carbon steel corrosion inhibitor with a fluorescence recognition function can be used for detecting Fe<3+> ions and Cu<2+> ions in water treatments and chemical cleaning processes; the carbon steel corrosion inhibitor has high sensitivity to Fe<3+> ions in solutions, and has a fluorescence-emitting characteristic after selective combination with Fe<3+> ions; so the carbon steel corrosion inhibitor can be used as a corrosion inhibitor and a corrosion indicator at the same time, an 'over-cleaning phenomenon' of chemical cleaning processes is prevented, and corrosion and damage of equipment are prevented.
Description
Technical field
The present invention relates to a kind of carbon steel corrosion inhibitor with fluorescence recognition function, can be used for the inhibition of carbon steel and the fluorescent indicator that corrosion detects, detect Fe in water treatment and the Process of Chemical Cleaning
3+And Cu
2+Change in concentration.
Background technology
Metallic corrosion has brought huge financial loss and social danger, and inhibiter is a kind of protection against corrosion chemical, and it adds in the surrounding medium on a small quantity, just can physics or chemical action occur with the metallic surface, thereby reduce significantly corrosion of metal speed.The use of inhibiter does not need specific installation, does not need to change the character of hardware yet, has economical and effective, adaptable advantage, is widely used in each process of industrial production, becomes a kind of important anticorrosion technique means.In the fuel-burning power plant, the technological processs such as circulating water treatment and matting all need to adopt in a large number inhibiter.On the other hand, the safe operation that corrosion detects heat power equipment is very important, and the corrosion that some technology such as electrochemical measurement, acoustic emission, eddy current test technology all can be used for heat power equipment detects.But, but report less for the corrosion detection of corrosion inhibition for metal process.
Fluorometry has easy and simple to handle, and the advantages such as sensitivity height have been widely used in the aspects such as biomedicine, food analysis, environmental monitoring, water treatment.
Report was many with the method for fluorescence spectrometry iron ion in recent years, and these methods have higher susceptibility, and detection limit also constantly reduces, but theirs is water-soluble lower, and the experiment preparation process is also more loaded down with trivial details, and practical application has certain difficulty.Pidaparti and Augustyniak have reported respectively the corrosion failure that adopts fluorescent probe to detect aluminium alloy and iron alloy under the lacquer systems.Li Songmei etc. have applied for " a kind of sensitivity prediction coated material that contains the phenyl fluorone sensitive materials " (CN101149328A), it is characterized in that utilizing the variation of photoactive substance and the compound rear fluorescence property of metal ion in the coating, detect the generation of early stage corrosion under the coating.But the inhibiter with corrosion measuring ability that uses in solution system but has no report.The present invention has related generally to a kind of inhibiter with fluorescent emission function, can be in order to detect metallic corrosion situation in the Corrosion Inhibition.
Summary of the invention
The object of the invention is in order to solve in the inhibiter application art problem of the prior art, such as the pickling descaling of metal pickling rust cleaning, equipment etc., the metallic corrosion situation that can detect in real time, can prevent " equipment is crossed and washed " and cause the destruction etc. of equipment and propose a kind of carbon steel corrosion inhibitor with fluorescent emission function, the iron ion combination that this carbon steel corrosion inhibitor with fluorescent emission function can produce with corrosion of carbon steel, produce fluorescence, it when playing corrosion inhibition, the Fe in can synchronous detection solution
3+Concentration, thereby the extent of corrosion of detection hardware.
Know-why of the present invention
A kind of carbon steel corrosion inhibitor with fluorescent emission function, i.e. rhodamine inhibiter, itself and Fe
3+After the iron ion selective binding, has fluorescence emitting characteristics, the Fe in can rapid detection solution
3+Concentration, this kind rhodamine inhibiter in solution to Fe
3+Very high susceptibility is arranged, when playing corrosion inhibition, can on-the-spotly detect in real time the Fe that corrosion produces
3+Thereby, detect corrosion of metal situation in the Corrosion Inhibition.
Technical scheme of the present invention
A kind of carbon steel corrosion inhibitor with fluorescent emission function namely is formed by connecting by a flexible chain by two rhodamine amide groups;
Described flexible chain is that the quantity of C atom is 4 saturated carbon chains; Contain N atom, S atom or O atom etc. in the described saturated carbon chains, only be illustrated to contain the N atom in the saturated carbon chains in the embodiments of the invention, but do not limit the carbon steel corrosion inhibitor with fluorescent emission function that contains S atom or O atom in the described saturated carbon chains.
Above-mentioned a kind of preparation method with carbon steel corrosion inhibitor of fluorescence recognition function specifically comprises the steps:
(1), rhodamine B is dissolved in 1, in the 2-ethylene dichloride, then controlling drop rate is that 1-4ml/min drips thionyl chloride, dripping rear control temperature is 83-85 ℃ of heating reflux reaction 5h, be that the 3.3kPa underpressure distillation removes excessive 1 with the reaction solution of gained control vacuum tightness, 2-ethylene dichloride and sulfur oxychloride namely get the rhodamine acyl chlorides;
The rhodamine B that above-mentioned reaction is used and the amount of thionyl chloride, calculate in molar ratio, i.e. rhodamine B: thionyl chloride is 1:5.93;
Above-mentioned 1, the 2-ethylene dichloride is reaction solvent, its consumption be the rhodamine B quality 20-25 doubly;
(2), the rhodamine acyl chlorides that step (1) is obtained is dissolved in the acetonitrile, obtain rhodamine acyl chlorides acetonitrile solution, then the control drop rate is that 1-4ml/min is added drop-wise to rhodamine acyl chlorides acetonitrile solution in the diethylenetriamine acetonitrile solution under condition of ice bath, then controlling temperature and be 81-82 ℃, rotating speed is after reacting 12h under the 40-60r/min condition, the reaction solution control vacuum tightness 3.3kPa of gained is carried out underpressure distillation removal acetonitrile solvent, namely get the carbon steel corrosion inhibitor with fluorescence recognition function;
Used rhodamine acyl chlorides and the amount of diethylenetriamine in the above-mentioned reaction, calculate in molar ratio, i.e. the rhodamine acyl chlorides: diethylenetriamine is 1:4.4;
Above-mentioned acetonitrile solution is reaction solvent, and its consumption is 15-20 times of rhodamine acyl chlorides quality.
Above-mentioned a kind of carbon steel corrosion inhibitor with fluorescent emission function can be used for Fe in water treatment and the Process of Chemical Cleaning
3+And Cu
2+Detection.And because it has the fluorescent emission function, therefore can be used as the fluorescent indicator that corrosion or corrosion mitigating effect detect.
Above-mentioned a kind of carbon steel corrosion inhibitor with fluorescent emission function, good water solubility has corrosion inhibition to carbon steel in the aqueous solution.Can and Fe
3+, Cu
2+Select the shape combination, fluorescent emission occurs at the 575nm place, its fluorescent emission intensity is with Fe in the solution
3+Concentration increases and strengthens.Carbon steel corrosion inhibitor with fluorescence recognition function can detect Fe simultaneously
3+And Cu
2+Concentration.This carbon steel corrosion inhibitor with fluorescence recognition function can be used in the technological processs such as water treatment and matting.
Beneficial effect of the present invention
A kind of carbon steel corrosion inhibitor with fluorescence recognition function of the present invention has Fe owing to having adopted
3+The rhodamine group of iron ion recognition function, its good water solubility has corrosion inhibition to carbon steel in the aqueous solution.
Further, a kind of carbon steel corrosion inhibitor with fluorescence recognition function of the present invention, and Fe
3+After selecting the shape combination, have the fluorescent emission function, fluorescent emission occurs at the 575nm place, its fluorescent emission intensity is with Fe in the solution
3+Concentration increases and strengthens.Namely utilize a kind of carbon steel corrosion inhibitor with fluorescence recognition function of the present invention can detect in real time the effect of Corrosion Inhibition.
Further, a kind of carbon steel corrosion inhibitor with fluorescence recognition function of the present invention is owing to when playing corrosion inhibition, can detect simultaneously the Fe in the solution
3+And Cu
2+Concentration, thereby can detect corrosion of metal speed.
Further, therefore a kind of carbon steel corrosion inhibitor with fluorescence recognition function of the present invention owing to can detect corrosion of metal degree in the Process of Chemical Cleaning, can prevent that " cross and wash phenomenon " occurs, and avoided the corrosion damage of equipment.
Description of drawings
Fig. 1, a kind of structural formula schematic diagram with carbon steel corrosion inhibitor of fluorescence recognition function of the present invention;
Fig. 2, the electrochemical impedance spectroscopy of 20# steel electrode in the 3%NaCl aqueous solution that contains, do not contain the carbon steel corrosion inhibitor with fluorescence recognition function;
Fig. 3, the electrochemical tests of 20# steel electrode in the 3%NaCl aqueous solution that contains, do not contain the carbon steel corrosion inhibitor with fluorescence recognition function;
There is different concns Fe in the carbon steel corrosion inhibitor that Fig. 4 a, 100 μ M have the fluorescence recognition function in the 3%NaCl aqueous solution
3+The fluorescent emission situation;
Fig. 4 b, Fe
3+Concentration and fluorescence intensity linear relationship chart;
Fig. 5,100 μ M contain, do not contain there is the different concns metal ion in the carbon steel corrosion inhibitor with fluorescence recognition function in the 3%NaCl aqueous solution fluorescent emission situation;
The variation relation of Fig. 6,20# steel fluorescence intensity of test piece weight loss and solution in containing 100 μ M and contain, do not contain the 3%NaCl aqueous solution weightless test of the carbon steel corrosion inhibitor with fluorescence recognition function.
Embodiment
Also by reference to the accompanying drawings the present invention is further set forth below by specific embodiment, but do not limit the present invention.
A kind of corrosion inhibition with carbon steel corrosion inhibitor of fluorescence recognition function of the present invention is estimated by electrochemistry experiment;
A kind of electrochemical impedance spectroscopy and electrochemical tests with carbon steel corrosion inhibitor of fluorescence recognition function of the present invention measured by Solartron 1287 electrochemical workstations and 1260 spectrum analyzers, concrete grammar is seen: Materials Chemistry and Physics, 2012,133:981-98;
A kind of fluorescent emission situation with carbon steel corrosion inhibitor of fluorescence recognition function of the present invention is measured by Shimadzu RF one 5301PC spectrophotofluorometer, and concrete grammar is seen: Chinese corrosion and protection journal, and 2012,32(2): 163-167.
The compound that does not below specify all is commercially available material.
Embodiment 1
A kind of carbon steel corrosion inhibitor with fluorescence recognition function namely is formed by connecting by a flexible chain by two rhodamine amide groups;
Described flexible chain is that the quantity of C atom is 4 saturated carbon chains;
Described saturated carbon chains contains the N atom, and its structural formula is-CH
2-CH
2-N-CH
2-CH
2-;
The structural formula of above-mentioned a kind of carbon steel corrosion inhibitor with fluorescence recognition function as shown in Figure 1.
Above-mentioned a kind of preparation method with carbon steel corrosion inhibitor of fluorescence recognition function specifically comprises the steps:
(1), the preparation of rhodamine acyl chlorides
With 1g rhodamine B (2.09 mmol), be dissolved in 1 of 20ml, in the 2-ethylene dichloride, slowly drip 0.9 mL thionyl chloride (12.4 mmol), reflux 5h, control vacuum tightness is that 3.3 kPa carry out underpressure distillation and remove excessively 1, and 2-ethylene dichloride and sulfur oxychloride namely obtain the rhodamine acyl chlorides;
The rhodamine B that above-mentioned reaction is used and the amount of thionyl chloride are 1mol:5.93mol by rhodamine B and thionyl chloride mol ratio;
Above-mentioned 1, the 2-ethylene dichloride is reaction solvent, its consumption be the rhodamine B quality 20-25 doubly;
(2), the rhodamine acyl chlorides that step (1) is obtained, be dissolved in and obtain rhodamine acyl chlorides acetonitrile solution in the 40mL acetonitrile, then the control drop rate is that 1-4ml/min slowly drops to rhodamine acyl chlorides acetonitrile solution in the 20ml acetonitrile solution that is dissolved with the 2ml diethylenetriamine under condition of ice bath, then controlling temperature and be 81-82 ℃, rotating speed is after reacting 12h under the 40-60r/min condition, the reaction solution control vacuum tightness 3.3kPa of gained is carried out underpressure distillation removal acetonitrile solvent, namely get the carbon steel corrosion inhibitor with fluorescence recognition function;
The rhodamine acyl chlorides that above-mentioned reaction is used and the amount of diethylenetriamine, calculate in molar ratio, i.e. the rhodamine acyl chlorides: diethylenetriamine is 1:4.4;
Above-mentioned acetonitrile is reaction solvent, and its consumption is 15-20 times of rhodamine acyl chlorides quality.
Application Example 1
It is 0.5cm that the 20# steel is made surperficial exposed area
2Working electrode.
20# steel working electrode is surveyed its electrochemical impedance spectroscopy and electrochemical tests behind the immersion 2h respectively in the 3%NaCl aqueous solution that contains and do not contain the carbon steel corrosion inhibitor with fluorescence recognition function, the result sees respectively Fig. 2 and shown in Figure 3.
Blank among Fig. 2 is not for containing the 3%NaCl aqueous solution of the carbon steel corrosion inhibitor with fluorescence recognition function; RB1 is the 3%NaCl aqueous solution that 100 μ M contain the carbon steel corrosion inhibitor with fluorescence recognition function; as can be seen from Figure 2; have the existence of carbon steel corrosion inhibitor of fluorescence recognition function so that the polarization resistance of 20# steel working electrode increases, show that it plays a protective role to the surface of carbon steel working electrode.
Blank among Fig. 3 is not for containing the 3%NaCl aqueous solution of the carbon steel corrosion inhibitor with fluorescence recognition function, inhibiter 1 is the 3%NaCl aqueous solution that 100 μ M contain the carbon steel corrosion inhibitor with fluorescence recognition function, as can be seen from Figure 3 corrosion potential is negative moves, corrosion electric current density reduces, show that the carbon steel corrosion inhibitor with fluorescence recognition function is inhibited to the corrosion of carbon steel, namely played the effect of inhibition.
Application Example 2
The employing excitation wavelength is 545nm, and the fluorescent emission wavelength scanning range is between the 560-630nm, carries out fluorescence spectrometry.
In the 3%NaCl aqueous solution of the carbon steel corrosion inhibitor with fluorescence recognition function that contains 100 μ M embodiment, 1 gained, exist concentration to be respectively 0 i.e. blank, 150 μ M, 250 μ M, 500 μ M concentration Fe among the figure
3+The fluorescent emission situation, the result can find out from Fig. 4 a shown in Fig. 4 a, have the carbon steel corrosion inhibitor of fluorescence recognition function at Fe
3+Exist in the situation, have the fluorescent emission function at the 575nm place, along with Fe
3+The increase of concentration, fluorescent emission intensity increases.
Fe
3+Iron concentration and fluorescence intensity linear relationship can be found out from Fig. 4 b, at Fe shown in Fig. 4 b
3+Concentration 30 μ M in the scope of 500 μ M, fluorescence intensity and Fe
3+There is good linear relationship in concentration, and this shows that the carbon steel corrosion inhibitor with fluorescence recognition function can be for detection of Fe in the solution
3+Concentration.
Application Example 3
Investigate other coexistent metallic ion to the impact of carbon steel corrosion inhibitor fluorescent emission function with fluorescence recognition function.Investigate simultaneously and have the carbon steel corrosion inhibitor of fluorescence recognition function to the cationic selectivity of different metal.
In the 3%NaCl aqueous solution of the carbon steel corrosion inhibitor with fluorescence recognition function that contains 100 μ M embodiment, 1 gained, add respectively the Fe (NO of different concns
3)
3, FeSO
4, CuSO
4And Mn (CH
3COO)
2, investigation has the carbon steel corrosion inhibitor of fluorescence recognition function respectively at 500 μ M Fe
3++ 500 μ M Cu
2+, 500 μ M Fe
3++ 500 μ M Fe
2+, 500 μ MFe
3++ 500 μ MMn
2+, 500 μ M Fe
3+, 500 μ M Fe
2+, 500 μ MMn
2+Fluorescent emission situation under the existence condition, result as shown in Figure 5, as can be seen from Figure 5, at Fe
3+In the situation of other ion coexist, the fluorescence with carbon steel corrosion inhibitor of fluorescence recognition function does not have quencher, illustrates that the carbon steel corrosion inhibitor with fluorescence recognition function detects Fe
3+The interference of other ion is not coexisted.Carbon steel corrosion inhibitor with fluorescence recognition function is except to Fe
3+Have outside the fluorescence recognition function, to Cu
2+And Fe
2+Also have the fluorescence recognition function, therefore, the carbon steel corrosion inhibitor with fluorescence recognition function can be used for detecting simultaneously Fe
3+And Cu
2+, Cu
2+Be the harmful ion that is easy to cause steel corrosion, content of copper ion is an important requirement of Water of Power Plant chemical control in the control water-steam system.Carbon steel corrosion inhibitor with fluorescence recognition function can be used for detecting simultaneously Fe
3+And Cu
2+This characteristic is used in technological processs such as water treatment and matting for it has special positive effect.Above-mentioned 500 μ M Mn for Individual existence
2+Exist in the situation, this inhibiter does not have the fluorescent emission function, so Mn
2+Existence detects not impact for the corrosion of this inhibiter.
Application Example 4
The 20# steel test piece of 25mm * 50mm * 2mm is immersed in the 3%NaCl aqueous solution of the carbon steel corrosion inhibitor with fluorescence recognition function that contains 100 μ M embodiment, 1 gained, under 30 ℃, carry out the weightless test of 20# steel, measure the weight loss of test piece and the variation relation of the fluorescence intensity of the 3%NaCl aqueous solution of the carbon steel corrosion inhibitor with fluorescence recognition function that contains 100 μ M embodiment, 1 gained, the result as shown in Figure 6.
As can be seen from Figure 6, there is dependency in the weight loss of 20# steel with the fluorescence intensity of the 3%NaCl aqueous solution of the carbon steel corrosion inhibitor with fluorescence recognition function that contains 100 μ M embodiment, 1 gained.Along with the prolongation of soak time, the weight loss of test piece begins quick increase, slowly increases subsequently, and this corrosion product that shows beginning has certain provide protection for steel matrix.Meanwhile, the fluorescence intensity of the 3%NaCl aqueous solution that contains the carbon steel corrosion inhibitor with fluorescence recognition function of 100 μ M embodiment, 1 gained also presents beginning increases the process that slowly increases subsequently fast.The variation that this shows fluorescence intensity in the 3%NaCl aqueous solution of the carbon steel corrosion inhibitor with fluorescence recognition function that can be by containing 100 μ M embodiment, 1 gained detects the Fe in the solution
3+Change in concentration, and then the extent of corrosion of detection 20# steel.Therefore a kind of carbon steel corrosion inhibitor with fluorescence recognition function of the present invention can serve as the fluorescent indicator use of corrosion of carbon steel degree.
Foregoing only is the basic explanation of the present invention under conceiving, and according to any equivalent transformation that technical scheme of the present invention is done, all should belong to protection scope of the present invention.
Claims (7)
1. the carbon steel corrosion inhibitor with fluorescence recognition function is characterized in that described carbon steel corrosion inhibitor with fluorescence recognition function namely is formed by connecting by a flexible chain by two rhodamine amide groups;
Described flexible chain is that the quantity of C atom is 4 saturated carbon chains;
The structural formula of described carbon steel corrosion inhibitor with fluorescence recognition function is as follows:
2. a kind of carbon steel corrosion inhibitor with fluorescence recognition function as claimed in claim 1 is characterized in that containing in the described saturated carbon chains N atom, S atom or O atom.
3. a kind of carbon steel corrosion inhibitor with fluorescence recognition function as claimed in claim 2 is characterized in that the structural formula of described saturated carbon chains is-CH
2-CH
2-N-CH
2-CH
2-.
4. a kind of preparation method with carbon steel corrosion inhibitor of fluorescence recognition function as claimed in claim 3 is characterized in that comprising the steps:
(1), rhodamine B is dissolved in 1, in the 2-ethylene dichloride, then controlling drop rate is that 1-4 ml/min drips thionyl chloride, dripping rear control temperature is 83-85 ℃ of heating reflux reaction 5h, be that the 3.3kPa underpressure distillation removes excessive 1 with the reaction solution of gained control vacuum tightness, 2-ethylene dichloride and sulfur oxychloride namely get the rhodamine acyl chlorides;
The rhodamine B that above-mentioned reaction is used and the amount of thionyl chloride, calculate in molar ratio, i.e. rhodamine B: thionyl chloride is 1:5.93;
(2), the rhodamine acyl chlorides that step (1) is obtained is dissolved in the acetonitrile, obtain rhodamine acyl chlorides acetonitrile solution, then the control drop rate is that 1-4ml/min is added drop-wise to rhodamine acyl chlorides acetonitrile solution in the diethylenetriamine acetonitrile solution under condition of ice bath, then controlling temperature and be 81-82 ℃, rotating speed is after reacting 12h under the 40-60r/min condition, the reaction solution control vacuum tightness 3.3kPa of gained is carried out underpressure distillation removal acetonitrile solvent, namely get the carbon steel corrosion inhibitor with fluorescence recognition function;
Used rhodamine acyl chlorides and the amount of diethylenetriamine in the above-mentioned reaction, calculate in molar ratio, i.e. the rhodamine acyl chlorides: diethylenetriamine is 1:4.4.
5. a kind of preparation method with carbon steel corrosion inhibitor of fluorescence recognition function as claimed in claim 4 is characterized in that 1 described in the step (1), and the 2-ethylene dichloride is reaction solvent, and its consumption is 20-25 times of rhodamine B quality;
Acetonitrile described in the step (2) is reaction solvent, and its consumption is 15-20 times of rhodamine acyl chlorides quality.
6. be used for water treatment and Process of Chemical Cleaning Fe such as claim 1,2 or 3 described a kind of carbon steel corrosion inhibitors with fluorescence recognition function
3+And Cu
2+Detection.
7. the fluorescent indicator that is used for corrosion of carbon steel or corrosion mitigating effect detection such as claim 1,2 or 3 described a kind of carbon steel corrosion inhibitors with fluorescence recognition function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102196197A CN103320119A (en) | 2013-06-05 | 2013-06-05 | Carbon steel corrosion inhibitor with fluorescence recognition function and applications thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102196197A CN103320119A (en) | 2013-06-05 | 2013-06-05 | Carbon steel corrosion inhibitor with fluorescence recognition function and applications thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103320119A true CN103320119A (en) | 2013-09-25 |
Family
ID=49189172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013102196197A Pending CN103320119A (en) | 2013-06-05 | 2013-06-05 | Carbon steel corrosion inhibitor with fluorescence recognition function and applications thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103320119A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104449675A (en) * | 2014-12-04 | 2015-03-25 | 南京理工大学 | Cr<3+> sensor based on rhodamine B as well as preparation and application of Cr<3+> sensor |
| CN106188074A (en) * | 2016-07-06 | 2016-12-07 | 常州工程职业技术学院 | One class water-soluble iron ion fluorescence probe and preparation method thereof |
| CN107021967A (en) * | 2017-05-12 | 2017-08-08 | 南京理工大学 | Fe based on rhodamine B3+Fluorescent optical sensor, preparation method and application |
| CN115028591A (en) * | 2022-06-17 | 2022-09-09 | 内江金鸿曲轴有限公司 | Anthraquinone compound and application thereof |
-
2013
- 2013-06-05 CN CN2013102196197A patent/CN103320119A/en active Pending
Non-Patent Citations (2)
| Title |
|---|
| DU, YANYAN等: "Determination of iron(III) based on the fluorescence quenching of rhodamine B derivative", 《TALANTA》 * |
| XIANG, YU等: "A New Rhodamine-Based Chemosensor Exhibiting Selective FeIII-Amplified Fluorescence", 《ORGANIC LETTERS》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104449675A (en) * | 2014-12-04 | 2015-03-25 | 南京理工大学 | Cr<3+> sensor based on rhodamine B as well as preparation and application of Cr<3+> sensor |
| CN104449675B (en) * | 2014-12-04 | 2016-09-21 | 南京理工大学 | A kind of Cr based on rhodamine B3+sensor, prepare and apply |
| CN106188074A (en) * | 2016-07-06 | 2016-12-07 | 常州工程职业技术学院 | One class water-soluble iron ion fluorescence probe and preparation method thereof |
| CN106188074B (en) * | 2016-07-06 | 2018-01-16 | 常州工程职业技术学院 | A kind of water-soluble iron ion fluorescence probe and preparation method thereof |
| CN107021967A (en) * | 2017-05-12 | 2017-08-08 | 南京理工大学 | Fe based on rhodamine B3+Fluorescent optical sensor, preparation method and application |
| CN115028591A (en) * | 2022-06-17 | 2022-09-09 | 内江金鸿曲轴有限公司 | Anthraquinone compound and application thereof |
| CN115028591B (en) * | 2022-06-17 | 2024-05-28 | 内江金鸿曲轴有限公司 | Anthraquinone compound and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Mistry et al. | Experimental and quantum chemical studies on corrosion inhibition performance of quinoline derivatives for MS in 1N HCl | |
| Hegazy et al. | Electrochemical studies on the inhibition behavior of copper corrosion in pickling acid using quaternary ammonium salts | |
| Lin et al. | Corrosion characteristics of nickel, copper, and stainless steel in a Lewis neutral chloroaluminate ionic liquid | |
| CN103320119A (en) | Carbon steel corrosion inhibitor with fluorescence recognition function and applications thereof | |
| Elgendy et al. | Understanding the adsorption performance of two glycine derivatives as novel and environmentally safe anti-corrosion agents for copper in chloride solutions: Experimental, DFT, and MC studies | |
| Amin | A newly synthesized glycine derivative to control uniform and pitting corrosion processes of Al induced by SCN− anions–Chemical, electrochemical and morphological studies | |
| Slepski et al. | Simultaneous impedance and volumetric studies and additionally potentiodynamic polarization measurements of molasses as a carbon steel corrosion inhibitor in 1M hydrochloric acid solution | |
| Mobin et al. | Inhibition of mild steel corrosion using L-tryptophan and synergistic surfactant additives | |
| Kim et al. | Effect of manganese on the corrosion behavior of low carbon steel in 10 wt.% sulfuric acid | |
| CN105386066A (en) | Carbon steel pickling solution and use thereof | |
| CN101818349B (en) | Application of 1-myristyl-3-methylimidazolium chloride ionic liquid serving as steel corrosion inhibitor | |
| Ghanyl et al. | The inhibitive effect of some amino acids on the corrosion behaviour of 316L stainless steel in sulfuric acid solution | |
| Da Silva et al. | Isatin-Derived Compounds as Carbon Steel Corrosion Inhibitors in Highly Saline Media | |
| Fouda et al. | Role of some benzohydrazide derivatives as corrosion inhibitors for carbon steel in HCl solution | |
| Solmaz et al. | Citric acid as natural corrosion inhibitor for aluminium protection | |
| CN105568297A (en) | Environment-friendly carbon steel pickling inhibitor and application thereof | |
| Avdeev et al. | Effect of IFKhAN-92 inhibitor on scale removal during sulfuric acid pickling of steel | |
| CN104289402B (en) | There is the preparation method of the brass super hydrophobic surface of corrosion resisting property | |
| Zaharieva et al. | Corrosion of aluminium and aluminium alloy in ethylene glycol–water mixtures | |
| Fouda et al. | Eco-friendly impact of rosmarinus officinalis as corrosion inhibitor for carbon steel in hydrochloric acid solutions | |
| Fouda et al. | Electrochemical adsorption properties and inhibition of zinc corrosion by two chromones in sulfuric acid solutions | |
| CN112778202B (en) | Benzyl pyrazole ionic liquid compound and preparation method and application thereof | |
| CN103388152A (en) | Copper-based material pickling liquor with corrosion inhibition effect | |
| Liu et al. | THE INHIBITORY EFFECT OF SOME BIPYRIDINE DERIVATIVES ON THE CORROSION BEHAVIOR OF N 80 CARBON STEEL IN SULPHURIC ACID SOLUTIONS | |
| Walia et al. | Corrosion inhibition of pure nickel by some phosphonium compounds in acid medium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130925 |
|
| RJ01 | Rejection of invention patent application after publication |