CN110482644A - A method of utilizing light aided nano silver forming process degradation xanthene fluorochrome - Google Patents
A method of utilizing light aided nano silver forming process degradation xanthene fluorochrome Download PDFInfo
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- 230000015556 catabolic process Effects 0.000 title claims abstract description 42
- 238000006731 degradation reaction Methods 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 38
- GJCOSYZMQJWQCA-UHFFFAOYSA-N 9H-xanthene Chemical compound C1=CC=C2CC3=CC=CC=C3OC2=C1 GJCOSYZMQJWQCA-UHFFFAOYSA-N 0.000 title claims abstract description 22
- QDLAGTHXVHQKRE-UHFFFAOYSA-N lichenxanthone Natural products COC1=CC(O)=C2C(=O)C3=C(C)C=C(OC)C=C3OC2=C1 QDLAGTHXVHQKRE-UHFFFAOYSA-N 0.000 title claims abstract description 22
- BFMYDTVEBKDAKJ-UHFFFAOYSA-L disodium;(2',7'-dibromo-3',6'-dioxido-3-oxospiro[2-benzofuran-1,9'-xanthene]-4'-yl)mercury;hydrate Chemical compound O.[Na+].[Na+].O1C(=O)C2=CC=CC=C2C21C1=CC(Br)=C([O-])C([Hg])=C1OC1=C2C=C(Br)C([O-])=C1 BFMYDTVEBKDAKJ-UHFFFAOYSA-L 0.000 title claims abstract description 21
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title abstract description 26
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000000126 substance Substances 0.000 claims abstract description 4
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims description 44
- VYXSBFYARXAAKO-WTKGSRSZSA-N chembl402140 Chemical compound Cl.C1=2C=C(C)C(NCC)=CC=2OC2=C\C(=N/CC)C(C)=CC2=C1C1=CC=CC=C1C(=O)OCC VYXSBFYARXAAKO-WTKGSRSZSA-N 0.000 claims description 29
- 229910001961 silver nitrate Inorganic materials 0.000 claims description 23
- PYWVYCXTNDRMGF-UHFFFAOYSA-N rhodamine B Chemical group [Cl-].C=12C=CC(=[N+](CC)CC)C=C2OC2=CC(N(CC)CC)=CC=C2C=1C1=CC=CC=C1C(O)=O PYWVYCXTNDRMGF-UHFFFAOYSA-N 0.000 claims description 11
- GNBHRKFJIUUOQI-UHFFFAOYSA-N fluorescein Chemical compound O1C(=O)C2=CC=CC=C2C21C1=CC=C(O)C=C1OC1=CC(O)=CC=C21 GNBHRKFJIUUOQI-UHFFFAOYSA-N 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- PQMOXTJVIYEOQL-UHFFFAOYSA-N Cumarin Natural products CC(C)=CCC1=C(O)C(C(=O)C(C)CC)=C(O)C2=C1OC(=O)C=C2CCC PQMOXTJVIYEOQL-UHFFFAOYSA-N 0.000 claims description 5
- FSOGIJPGPZWNGO-UHFFFAOYSA-N Meomammein Natural products CCC(C)C(=O)C1=C(O)C(CC=C(C)C)=C(O)C2=C1OC(=O)C=C2CCC FSOGIJPGPZWNGO-UHFFFAOYSA-N 0.000 claims description 5
- ZYGHJZDHTFUPRJ-UHFFFAOYSA-N coumarin Chemical compound C1=CC=C2OC(=O)C=CC2=C1 ZYGHJZDHTFUPRJ-UHFFFAOYSA-N 0.000 claims description 5
- SEACYXSIPDVVMV-UHFFFAOYSA-L eosin Y Chemical compound [Na+].[Na+].[O-]C(=O)C1=CC=CC=C1C1=C2C=C(Br)C(=O)C(Br)=C2OC2=C(Br)C([O-])=C(Br)C=C21 SEACYXSIPDVVMV-UHFFFAOYSA-L 0.000 claims description 5
- 229940043267 rhodamine b Drugs 0.000 claims description 5
- 239000011550 stock solution Substances 0.000 claims description 5
- 150000003732 xanthenes Chemical class 0.000 claims description 4
- 239000011259 mixed solution Substances 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims 1
- 230000001939 inductive effect Effects 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 239000000243 solution Substances 0.000 abstract description 53
- 238000005286 illumination Methods 0.000 abstract description 17
- 239000000975 dye Substances 0.000 abstract description 15
- 229910052709 silver Inorganic materials 0.000 abstract description 10
- 239000004332 silver Substances 0.000 abstract description 10
- 239000007864 aqueous solution Substances 0.000 abstract description 4
- 238000011065 in-situ storage Methods 0.000 abstract description 2
- 238000004140 cleaning Methods 0.000 abstract 1
- 239000007850 fluorescent dye Substances 0.000 description 16
- 238000002835 absorbance Methods 0.000 description 13
- 230000003287 optical effect Effects 0.000 description 8
- 239000002351 wastewater Substances 0.000 description 8
- 239000003643 water by type Substances 0.000 description 7
- 235000013339 cereals Nutrition 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 238000010791 quenching Methods 0.000 description 5
- 239000002105 nanoparticle Substances 0.000 description 4
- 230000000171 quenching effect Effects 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 238000000862 absorption spectrum Methods 0.000 description 3
- 238000002189 fluorescence spectrum Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000010453 quartz Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- OALHHIHQOFIMEF-UHFFFAOYSA-N 3',6'-dihydroxy-2',4',5',7'-tetraiodo-3h-spiro[2-benzofuran-1,9'-xanthene]-3-one Chemical compound O1C(=O)C2=CC=CC=C2C21C1=CC(I)=C(O)C(I)=C1OC1=C(I)C(O)=C(I)C=C21 OALHHIHQOFIMEF-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000000593 degrading effect Effects 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 244000170916 Paeonia officinalis Species 0.000 description 1
- 235000006484 Paeonia officinalis Nutrition 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000007857 degradation product Substances 0.000 description 1
- 238000002242 deionisation method Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- YQGOJNYOYNNSMM-UHFFFAOYSA-N eosin Chemical compound [Na+].OC(=O)C1=CC=CC=C1C1=C2C=C(Br)C(=O)C(Br)=C2OC2=C(Br)C(O)=C(Br)C=C21 YQGOJNYOYNNSMM-UHFFFAOYSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000009291 secondary effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 229910021642 ultra pure water Inorganic materials 0.000 description 1
- 239000012498 ultrapure water Substances 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 238000000870 ultraviolet spectroscopy Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/308—Dyes; Colorants; Fluorescent agents
Landscapes
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
The present invention relates to dyestuff degradations to be in field, the in particular to method of a kind of method and the forming process degradation xanthene fluorochrome using the Nano silver grain that Nano silver grain is prepared by light booster action In-Situ Cleaning.This method be exactly at room temperature, during the silver nano-grain that silver ion solution is formed for illumination 5 minutes under 395 nm ultraviolet lamps can xanthene fluorochrome in efficient degradation solution, the Nano silver grain of generation also can degradation of dye under light illumination.This method prepares easy clean, and any harmful chemical substance is not added in whole process, to not will cause secondary pollution to environment, the Nano silver grain of generation is reusable.In addition, this method also forms Nano silver grain under light illumination using silver ion and realizes this characteristic of enrichment of silver ion in aqueous solution and be used to recycle the silver-colored resource in environment.
Description
Technical field
The present invention is a kind of to utilize light aided nano silver forming process degradation xanthene class for fluorescent dye technical field of degrading
The method of fluorescent dye.
Background technique
Fluorescent dye waste water is a kind of with certain fluorescence intensity, has pungent smell, contains in waste water a large amount of
The waste water from dyestuff of benzene and its derivative with substituent groups such as amino, nitro and sulfonic groups, gas chromatography make wastewater biological
Toxicity enhancing.In addition, containing a large amount of recalcitrant substance in waste water, biodegradability is excessively poor.Meanwhile salt in such waste water
Divide content high, the microbial activity of conventional treatment mesophytization part is adversely affected, its processing difficulty is increased.It is comprehensive with
Upper factor, such waste water are difficult to obtain ideal effect using conventional process.Xanthene fluorescent dye is widely used leather system
Make industry, paper industry, leachate system, certain extraordinary marks and the industries such as military affairs are tracked, cell fluorescence coloring agent manufactures.This
A little industries can produce a large amount of fluorescent dye waste water, if do not dealt carefully with, big harm can be caused to human habitat.
In the present invention, during the silver nanoclusters generated under 395 nm ultraviolet lamps using silver nitrate and reacted fluorogenic dye, to xanthene
Fluorochrome solution carries out degradation and fluorescent quenching.
Summary of the invention
It is an object of the present invention to provide one kind using commercial silver nitrate as raw material, forms silver nanoparticle under 395 nm ultraviolet lights
Particle, to the method for rhodamine and fluoresceins dyestuff fast degradation.With the xanthenes class such as rhodamine, fluorescein and eosin Y
Fluorescent dye is raw material, and a certain amount of silver nitrate solution is added thereto, and research dyestuff is passed through at 395 nm ultraviolet lights (20 W)
Spend 5 minutes, generate silver nano-grain during degrade to fluorescent dye, degradation effect reach in two minutes 85% with
On.
A method of Nano silver grain being prepared using light secondary effect, and is applied to xanthene fluorochrome
Degradation.Including the aqueous solution containing silver ion is generating silver nanoparticle with 395 nm ultraviolet lights (20 W) irradiation after five minutes
Grain.
Specific step is as follows: configuration silver ion storing liquid is simultaneously protected from light storage；Then certain density silver ion is measured
Storing liquid is added in the aqueous solution containing xanthene fluorochrome, by the booster action of 395 nm ultraviolet lights in solution
Xanthene fluorochrome is degraded.
Specifically, taking the stock solution (0.001 mol/L) of 10 μ L rhodamine 6Gs to be added to 10 ml by taking rhodamine 6G as an example
In water, 40 μ L silver nitrate stock solutions (0.01 mol/L) are then added, 3 milliliters of above-mentioned mixed solutions is taken to be placed in 4 ml quartz
With the ultraviolet source irradiation of 395 nm in cuvette, solution was measured with ultraviolet-visible spectrometer and Fluorescence Spectrometer every 1 minute
Uv-visible absorption spectra and fluorescence spectrum, calculate the degradation efficiency of rhodamine 6G.
The concentration of the rhodamine B solution is 0.48 g/L；The concentration of rhodamine 6G solution is 0.46 g/L；Fluorescein is molten
The concentration of liquid is 0.33 g/L；The concentration of cumarin solution is 0.15 g/L；The concentration of eosin Y solution is 0.65 g/L.
The ratio between silver ion and the amount of substance of fluorescent dye in the solution are as follows: 40: 1；
Silver ion is added in the aqueous solution containing fluorescent dye, Nano silver grain, and benefit are prepared in situ under illumination condition
It is degraded with the process to the fluorescent dye in solution, utilizes the Yin Na of 0.05-0.22 μm of aqueous filter membrane recycling solution
Rice corpuscles, Nano silver grain are separated by ultrasound with aqueous filter membrane, into the dispersion liquid of Nano silver grain again after fluorescent dye
Illumination is calculated with the uv-visible absorption spectra and fluorescence spectrum of ultraviolet-visible spectrometer and Fluorescence Spectrometer measurement solution
The degradation efficiency of rhodamine 6G.
For the present invention using the xanthenes such as rhodamine and fluorescein fluorescent dye as target degradation product, research light auxiliary generates nitre
To fluorescent dye degradation property during sour silver nano-grain.Silver nitrate solution is through 395 nm ultraviolet lights, in forming process
In degrade to rhodamine and fluoresceins fluorescent dye.It can make dye colour recession, fluorescent quenching.Then with ultraviolet
Visible spectrophotometer measures its absorption spectrum, and calculates its degradation rate.The degradation rate Y of dyestuff is calculated according to the following formula:
Wherein: C is t time dye strength；C0For dyestuff initial concentration.
It is realized by following steps:
(1) 0.0170 g silver nitrate is dissolved in 10 ml water, solution is opened in dark place.
(2) 0.0048 g of rhodamine B, 0.0048 g of rhodamine 6G, 0.0033 g of fluorescein, cumarin 0.0015 are weighed
G, 0.0065 g of eosin Y is dissolved in respectively in 10 ml deionized waters.
(3) it takes each 10 μ L of dye solution to be dissolved in 10 ml deionized waters, matches then to 40 μ L are added in each sample bottle
The silver nitrate solution set.
(4) take 3 ml of mixed solution into 4 ml quartz cells, every 1 minute measurement UV-visible absorbance and fluorescence light
Spectrum.
The invention has the benefit that
1, method provided by the invention can be with the xanthene fluorochrome in efficient degradation solution；
2, the silver nano-grain generated can continue xanthene fluorochrome of degrading, and only degradation efficiency decreases；
3, Nano silver grain generated can be used as silver nanoparticle ion and be recycled.
Detailed description of the invention
Fig. 1 is to obtain silver nano-grain by transmission electron microscope observation；
Fig. 2 m- absorbance curve when being ultraviolet light aided nano silver forming process degradation rhodamine 6G；
Fig. 3 is not illumination silver ion and is not added the when m- absorbance curve that silver ion influences solution rhodamine 6G degradation；Wherein,
(a) rhodamine 6G degradation situation under the conditions of not illumination；(b) rhodamine 6G degradation situation under the conditions of silver ion is not added.
Fig. 4 is influence of the silver nitrate solution of different equivalents to degradation rhodamine 6G；Wherein, (a) same time difference is worked as
Measuring silver nitrate solution influences absorbance；(b) the when m- absorbance curve of different equivalent silver nitrate solutions degradation rhodamine 6Gs；
Fig. 5 is influence of the pH to ultraviolet light aided nano silver forming process degradation rhodamine 6G；
Fig. 6 be pH=7 under the conditions of, to different fluorescent dyes carry out degradation results；
Fig. 7 be rhodamine 6G and ultraviolet light aided nano silver forming process degradation rhodamine 6G respectively natural light, ultraviolet light,
Photo under white light；Wherein, (a) natural light, (b) ultraviolet light, (c) white light.
Specific embodiment
Embodiment 1 generates the experiment of silver nitrate nano particle
(1) compound concentration is the silver nitrate solution of 1.7 g/L, and the solution prepared is placed in dark place.
(2) the 40 configured silver nitrate solutions of μ L is taken to be dissolved in 10 ml ultrapure waters, with 395 nm ultraviolet light edge with it is transparent
Vial keeps 4 cm to irradiate at room temperature 5 minutes.
(3) silver nano-grain is obtained by transmission electron microscope observation such as Fig. 1.
The measurement of 2 ultraviolet degradation rhodamine 6G time of embodiment
(1) compound concentration is the rhodamine 6G solution of 0.48 g/L, and the solution prepared is placed in dark place.
(2) it takes 10 microlitres of configured rhodamine 6G solution to be dissolved in 10 ml ultrapure waters, 3 ml solution is taken to move into 4 ml stones
Ying Chizhong measures its UV, visible light optical absorbance；It takes the 40 configured silver nitrates of μ L are molten to be added in rhodamine 6G solution again, surveys
Measure its UV, visible light optical absorbance；4 cm are kept to be irradiated with 395 nm ultraviolet light edge and the quartz cell equipped with sample, every 1
Minute measures its absorbance, is maintained at room temperature.
(3) effect picture obtained by being exactly as shown in Figure 2.
It 3 not illumination silver ion of embodiment and silver ion is not added whether degrades rhodamine 6G
Measure the UV, visible light optical absorbance of rhodamine 6G dilute solution in embodiment 2；By silver nitrate configured in embodiment 1
The suction of its ultraviolet-visible was measured in the dilute solution for the rhodamine 6G that solution takes 40 μ L to be added in embodiment 2 every 1 minute
Luminosity, then non-degradable rhodamine 6G is as shown in Figure 3a for not illumination；When silver ion is not added, only dye solution is put
It sets under 20 W, 395 nm ultraviolet lights, its UV, visible light optical absorbance was measured every one minute, rhodamine 6G fall has very much
Limit.As shown in Figure 3b.
The silver nitrate solution degradation rhodamine 6G of 4 illumination difference equivalent of embodiment
As shown in figure 4,5 μ L, 10 μ L, 20 μ L, 30 μ L, 40 μ are added in diluted rhodamine 6G solution into embodiment 2
L, 50 μ L, 70 μ L, configured silver nitrate solution in 100 μ L embodiments 1, are irradiated 3 minutes with 395 nm ultraviolet lamps,
Measure its UV, visible light optical absorbance as shown in fig. 4 a.5 μ L, 10 μ L, 20 are added under equal conditions into rhodamine 6G solution
μ L, 25 μ L, 30 μ L, 40 μ L, 50 μ L silver nitrate stock solutions, are irradiated 3 minutes with 395 nm ultraviolet lamps, measure its fluorescence
Spectrum is as shown in Figure 4 b.
The solution system of 5 illumination difference pH of embodiment
As shown in figure 5, the 10 μ L of rhodamine 6G solution in Example 2 is dissolved in pH=3,4,5,6,7,8,9,10,11,12 respectively
40 μ L of silver nitrate solution is added in each sample system in ultra-pure water solution, then in Example 1, is divided with 395 nm ultraviolet lightings 3
Clock measures its UV, visible light optical absorbance.Under acid condition, degradation effect can be more preferable, when pH is in 11 and 12 under alkaline condition
Between have apparent difference.As shown in Figure 5.
Embodiment 6 degrades to different fluorescent dyes under the conditions of pH=7
0.0033 g fluorescein is weighed to be dissolved in 10 ml deionized waters；It weighs 0.0048 g rhodamine B and is dissolved in 10 ml deionizations
In water；10 microlitres of each preparation solution is taken to be dissolved in 10 ml deionized waters respectively；Weigh 0.0015 g of cumarin be dissolved in 10 ml go from
It in sub- water, weighs 0.0065 g of eosin Y and is dissolved in 10 ml deionized waters, then that 40 μ L silver nitrates are added into each sample bottle is molten
Liquid is irradiated different time with 395 nm ultraviolet lights, measures each sample UV, visible light optical absorbance, and degradation effect reaches 85%
Left and right.As shown in fig. 6, rhodamine 6G is become colorless by blood red；Rhodamine B becomes lightpink from peony；Cumarin is by red
Red becomes colorless；Eosin is known as brownish red and becomes colorless；Rhodamine-NH2Derivative is become colorless by orange.
7 rhodamine 6G of embodiment is under natural light, the degradation difference under ultraviolet light, under white light
The dye solution in the silver nitrate solution and 10 μ L embodiments 2 in 40 μ L embodiments 1 is pipetted into 10 ml water, 20
Illumination 3 minutes under 395 nm ultraviolet light of W, and in natural light, ultraviolet light observes that dye solution fades and glimmering under white light
Optical quenching particularly has apparent Tyndall phenomenon under white light.Respectively as shown in Fig. 7 a, b, c.Wherein the left side a is not to be added
The sample bottle of silver ion solution, non-discolouring after illumination, the right is to become Transparent color after the illumination of silver ion solution sample bottle is added；b
The left side is the sample bottle that silver ion solution is not added, and fluorescence does not quench after illumination, and the right is that silver ion solution sample bottle light is added
According to rear fluorescent quenching；The left side c is the sample bottle that silver ion solution is not added, does not generate Tyndall phenomenon under white light after illumination
And the right is that dye colour disappears and generates Tyndall phenomenon after the illumination of silver ion solution sample bottle is added.
Claims (7)
1. a kind of method using light aided nano silver forming process degradation xanthene fluorochrome, which is characterized in that including such as
Lower step:
To which photoinduction nano silver presoma is added in degradation system, nano silver is then generated by light inducible, it is auxiliary by light
Nano silver forming process is helped to degrade to the xanthene fluorochrome in degradation system.
2. a kind of side using light aided nano silver forming process degradation xanthene fluorochrome according to claim 1
Method, which is characterized in that photoinduction nano silver presoma is silver ion.
3. a kind of side using light aided nano silver forming process degradation xanthene fluorochrome according to claim 2
Method, which is characterized in that photoinduction nano silver presoma is silver nitrate.
4. a kind of side using light aided nano silver forming process degradation xanthene fluorochrome according to claim 3
Method, which is characterized in that the ratio between the amount of substance of silver ion and xanthene fluorochrome are as follows: 40: 1.
5. a kind of side using light aided nano silver forming process degradation xanthene fluorochrome according to claim 1
Method, which is characterized in that the xanthene fluorochrome is rhodamine B, rhodamine 6G, fluorescein, cumarin or eosin Y.
6. a kind of side using light aided nano silver forming process degradation xanthene fluorochrome according to claim 1
Method, which is characterized in that carry out light-induced reaction using 395 nm ultraviolet lights.
7. a kind of side using light aided nano silver forming process degradation xanthene fluorochrome according to claim 1
Method, which is characterized in that specific steps include: that the stock solution of the 0.001 mol/L xanthene fluorochrome of 10 μ L is taken to be added to 10
In ml water, the 0.01 mol/L silver nitrate stock solution of 40 μ L is then added, 3 milliliters of above-mentioned mixed solutions is taken to be placed in 4 ml stones
With the ultraviolet source irradiation of 395 nm in English cuvette, contaminated by the xanthene class fluorescence in the ultraviolet degradation system of 395 nm
Material.
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| CN111896507A (en) * | 2020-06-30 | 2020-11-06 | 陕西科技大学 | Method for specifically detecting silver ions in aqueous solution by using rhodamine compounds and application thereof |
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| CN108147495A (en) * | 2017-12-15 | 2018-06-12 | 蚌埠学院 | A kind of method for dyestuff degradation being made to fade using nitrate ion |
| CN109574133A (en) * | 2018-12-29 | 2019-04-05 | 重庆科技学院 | Organic wastewater light degradation method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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