CN106968105A - A kind of Sulfhydryl Cotton and its application - Google Patents
A kind of Sulfhydryl Cotton and its application Download PDFInfo
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- CN106968105A CN106968105A CN201710296995.4A CN201710296995A CN106968105A CN 106968105 A CN106968105 A CN 106968105A CN 201710296995 A CN201710296995 A CN 201710296995A CN 106968105 A CN106968105 A CN 106968105A
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- cotton
- sulfhydryl
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- dichloromethane
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M10/00—Physical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. ultrasonic, corona discharge, irradiation, electric currents, or magnetic fields; Physical treatment combined with treatment with chemical compounds or elements
- D06M10/04—Physical treatment combined with treatment with chemical compounds or elements
- D06M10/08—Organic compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/24—Naturally occurring macromolecular compounds, e.g. humic acids or their derivatives
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/286—Treatment of water, waste water, or sewage by sorption using natural organic sorbents or derivatives thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2220/00—Aspects relating to sorbent materials
- B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
- B01J2220/48—Sorbents characterised by the starting material used for their preparation
- B01J2220/4812—Sorbents characterised by the starting material used for their preparation the starting material being of organic character
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2220/00—Aspects relating to sorbent materials
- B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
- B01J2220/48—Sorbents characterised by the starting material used for their preparation
- B01J2220/4812—Sorbents characterised by the starting material used for their preparation the starting material being of organic character
- B01J2220/4825—Polysaccharides or cellulose materials, e.g. starch, chitin, sawdust, wood, straw, cotton
-
- 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
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
Abstract
The invention discloses a kind of Sulfhydryl Cotton, it, which is prepared by the following method, forms：Extracting degreasing cotton is added in brown bottle, is added dichloromethane submergence absorbent cotton, is subsequently cooled to room temperature；TGA and boron trifluoride ether solution are added, then ultrasonically treated 50 70min, obtains semi-finished product；Semi-finished product are taken out from brown bottle, is washed with dichloromethane 25 times, after natural air drying, obtains final Sulfhydryl Cotton.The preparation method of the Sulfhydryl Cotton is simple, is reacted at normal temperatures, and need not be dried in an oven, and the structure of cotton fiber is farthest protected, and sulfhydryl content is high, and adsorption capacity is good, while raw materials consumption is few, cost is low.The invention also discloses a kind of enrichment method of silver ion in water, step is few, and flow is simple, and bioaccumulation efficiency is high.
Description
Technical field
The present invention relates to a kind of Sulfhydryl Cotton technical field, more particularly to a kind of Sulfhydryl Cotton and its application.
Background technology
The end of Japanese scholars west in 1971 hero, holt coolie etc. are found that the use value of Sulfhydryl Cotton first.Sulfhydryl Cotton has
Excellent hydrophily, can concentrate many heavy metal cations and some nonmetallic ions.It is either domestic or external, sulfydryl
Cotton has been widely used in the detection of alkyl mercury.Since western last hero reports the basic preparation method of Sulfhydryl Cotton, some improvement
New method prepared by Sulfhydryl Cotton is reported in succession.Wherein, the report of the scholar such as Yu Mu Qing is a lot of.
But, these methods reported in succession do not break away from the constraint of the male conventional method in western end, they be primarily present with
Lower defect：
(1) reaction temperature is high (more than 37 DEG C), and this will destroy the structure of cotton fiber；
(2) reaction time is oversize (2-4 days)；
(3) Sulfhydryl Cotton need to put the sulfydryl that carries out in an oven in prolonged moisture drying, Sulfhydryl Cotton be easy to it is empty
Dioxygen oxidation in gas, causing the adsorption capacity of sulfhydryl cotton fiber reduces；
(4) raw materials consumption is more.
On the other hand, silver is a kind of noble metal, is widely used in material industry etc..Silver has chronic toxicity simultaneously, into people
Can be calm after body, cause lesion.It is enriched with material general active charcoal, cellulose, ion exchange material of silver ion in water etc..
But there is the deficiencies such as enrichment difficulty is big, bioaccumulation efficiency is low, material cost is high in these methods.
The content of the invention
In order to overcome the deficiencies in the prior art, an object of the present invention is to provide a kind of Sulfhydryl Cotton, its preparation method
It is simple and convenient, reacted at normal temperatures, and need not be dried in an oven, the structure of cotton fiber obtains maximum journey
The protection of degree, sulfhydryl content is high, and adsorption capacity is good, while raw materials consumption is few, cost is low.
The second object of the present invention is the enrichment method for providing silver ion in a kind of water, and step is few, and flow is simple, enrichment
Efficiency high.
An object of the present invention adopts the following technical scheme that realization：
A kind of Sulfhydryl Cotton, it, which is prepared by the following method, forms：
Cooling step：Extracting degreasing cotton is added in brown bottle, adds dichloromethane, and cause the dichloromethane submergence institute
Absorbent cotton is stated, room temperature is subsequently cooled to；
Ultrasonic step：Add TGA and boron trifluoride ether solution, then ultrasonically treated 50-70min, obtain half into
Product；Wherein, the volume of the TGA is 0.033-0.14 times of the methylene chloride volume, and the BFEE is molten
The volume of liquid is 0.004-0.02 times of the methylene chloride volume；
Laundry air-dry step：The semi-finished product are taken out from the brown bottle, are washed 2-5 times with dichloromethane, natural wind
After dry, final Sulfhydryl Cotton is obtained.
Further, in the cooling step, take 1-3g absorbent cotton to be added in 500ml brown, wide-mouth bottle, add
50-150ml dichloromethane submerges the absorbent cotton, is subsequently cooled to room temperature.
Further, in the ultrasonic step, 5-7ml TGAs and 0.6-1ml boron trifluoride ether solutions are added,
Ultrasonically treated 60min, obtains semi-finished product in ultrasonic device.
Further, in the laundry air-dry step：The semi-finished product are taken out from the brown bottle, 20ml is used successively
Dichloromethane is washed 3 times, after natural air drying, obtains final Sulfhydryl Cotton.
Further, the Sulfhydryl Cotton, which is prepared by the following method, forms：
Cooling step：Take 2g absorbent cotton to be added in 500ml brown, wide-mouth bottle, add 100ml dichloromethane submergence institute
Absorbent cotton is stated, room temperature is subsequently cooled to；
Ultrasonic step：6ml TGAs and 0.8ml boron trifluoride ether solutions are added, then ultrasonically treated 60min, is obtained
To semi-finished product；
Laundry air-dry step：The semi-finished product are taken out from brown, wide-mouth bottle, are washed with 20ml dichloromethane 3 times,
After natural air drying, final Sulfhydryl Cotton is obtained.
Further, the Sulfhydryl Cotton, which is prepared by the following method, forms：
Cooling step：Take 1g absorbent cotton to be added in 500ml brown, wide-mouth bottle, add the submergence of 50ml dichloromethane described
Absorbent cotton, is subsequently cooled to room temperature；
Ultrasonic step：5ml TGAs and 0.6ml boron trifluoride ether solutions are added, then ultrasonically treated 60min, is obtained
To semi-finished product；
Laundry air-dry step：The semi-finished product are taken out from brown, wide-mouth bottle, are washed with 20ml dichloromethane 3 times,
After natural air drying, final Sulfhydryl Cotton is obtained.
Further, the Sulfhydryl Cotton, which is prepared by the following method, forms：
Cooling step：Take 3g absorbent cotton to be added in 500ml brown, wide-mouth bottle, add 150ml dichloromethane submergence institute
Absorbent cotton is stated, room temperature is subsequently cooled to；
Ultrasonic step：7ml TGAs and 1ml boron trifluoride ether solutions are added, then ultrasonically treated 60min, is obtained
Semi-finished product；
Laundry air-dry step：The semi-finished product are taken out from brown, wide-mouth bottle, are washed with 20ml dichloromethane 3 times,
After natural air drying, final Sulfhydryl Cotton is obtained.
The second object of the present invention adopts the following technical scheme that realization：
The enrichment method of silver ion in a kind of water, including：
Oscillation step：Take 10-20ml water sample to be measured to be added in 100ml centrifuge tubes, then add 0.1-0.2g mercaptos
Base cotton, then vibrates 50-70min on the oscillator；
Centrifugation step：After vibration terminates, with 3800-4200r/min speed centrifugal treating 4-6min on centrifuge, i.e.,
Into.
Further, oscillation step：Take 10ml water sample to be measured to be added in 100ml centrifuge tubes, then add 0.1g
The Sulfhydryl Cotton, then vibrates 60min on the oscillator；
Centrifugation step：After vibration terminates, with 4000r/min speed centrifugal treating 5min on centrifuge,.
Further, oscillation step：Take 15ml water sample to be measured to be added in 100ml centrifuge tubes, then add 0.15g
The Sulfhydryl Cotton, then vibrates 50min on the oscillator；
Centrifugation step：After vibration terminates, with 4000r/min speed centrifugal treating 4min on centrifuge,.
Compared with prior art, the beneficial effects of the present invention are：
(1) Sulfhydryl Cotton provided by the present invention, its preparation method is simple and convenient, is reacted at normal temperatures, and adopt
Take the mode of natural air drying, it is not necessary to dried in an oven, the structure of cotton fiber is farthest protected, machinery is strong
Spend；Sulfhydryl content is high, and adsorption capacity is good, while raw materials consumption is few, cost is low.
(2) in water provided by the present invention silver ion enrichment method, step is few, and flow is simple, and bioaccumulation efficiency is high, even if
It is trace silver ion, can be also adsorbed in maximum efficiency.
Brief description of the drawings
Fig. 1 is the schematic diagram of Sulfhydryl Cotton provided by the present invention.
Embodiment
Below, with reference to accompanying drawing and embodiment, the present invention is described further, it is necessary to which explanation is, not
Under the premise of afoul, new implementation can be formed between various embodiments described below or between each technical characteristic in any combination
Example.
A kind of Sulfhydryl Cotton, it, which is prepared by the following method, forms：
Cooling step：Extracting degreasing cotton is added in brown bottle, adds dichloromethane, and cause dichloromethane submergence degreasing
Cotton, is subsequently cooled to room temperature；
Ultrasonic step：Add TGA and boron trifluoride ether solution, then ultrasonically treated 50-70min, obtain half into
Product；Wherein, the volume of TGA is 0.033-0.14 times of methylene chloride volume, and the volume of boron trifluoride ether solution is two
0.004-0.02 times of chloromethanes volume；
Laundry air-dry step：Semi-finished product are taken out from brown bottle, are washed 2-5 times with dichloromethane, after natural air drying, are obtained
Final Sulfhydryl Cotton.
As further embodiment, in cooling step, 1-3g absorbent cotton is taken to be added to 500ml brown, wide-mouth bottle
In, 50-150ml dichloromethane submergence absorbent cotton is added, room temperature is subsequently cooled to.
As further embodiment, in ultrasonic step, 5-7ml TGAs and 0.6-1ml boron trifluorides are added
Diethyl ether solution, ultrasonically treated 60min, obtains semi-finished product in ultrasonic device.
As further embodiment, in laundry air-dry step：Semi-finished product are taken out from brown bottle, 20ml is used successively
Dichloromethane is washed 3 times, after natural air drying, obtains final Sulfhydryl Cotton.
Sulfhydryl Cotton provided by the present invention, its preparation method is simple and convenient, is reacted at normal temperatures, and takes certainly
The mode so air-dried, it is not necessary to dried in an oven, the structure of cotton fiber is farthest protected, mechanical strength
It is good；Sulfhydryl content is high, and adsorption capacity is good, while raw materials consumption is few, cost is low.
The enrichment method of silver ion in a kind of water, including：
Oscillation step：Take 10-20ml water sample to be measured to be added in 100ml centrifuge tubes, then add 0.1-0.2g mercaptos
Base cotton, then vibrates 50-70min on the oscillator；
Centrifugation step：After vibration terminates, with 3800-4200r/min speed centrifugal treating 4-6min on centrifuge, i.e.,
Into.
The enrichment method of silver ion in water provided by the present invention, step is few, and flow is simple, and bioaccumulation efficiency is high, even
Trace silver ion, can also be adsorbed in maximum efficiency.
Specific embodiment of the present invention when following, the raw material used in the following embodiments, equipment etc. remove special limit
It can be obtained outside fixed by buying pattern.
Embodiment 1：
A kind of Sulfhydryl Cotton, it, which is prepared by the following method, forms：2g absorbent cotton is taken to be added to 500ml brown, wide-mouth bottle
In, 100ml dichloromethane submergence absorbent cotton is added, room temperature is subsequently cooled to；Add 6ml TGAs and 0.8ml boron trifluorides
Diethyl ether solution, then ultrasonically treated 60min, obtains semi-finished product；Semi-finished product are taken out from brown, wide-mouth bottle, 20ml dichloromethane is used
Washing 3 times, after natural air drying, as shown in figure 1, being the Sulfhydryl Cotton finally given.
Embodiment 2：
A kind of Sulfhydryl Cotton, it, which is prepared by the following method, forms：1g absorbent cotton is taken to be added to 500ml brown, wide-mouth bottle
In, 50ml dichloromethane submergence absorbent cotton is added, room temperature is subsequently cooled to；Add 5ml TGAs and 0.6ml boron trifluoride second
Ethereal solution, then ultrasonically treated 60min, obtains semi-finished product；Semi-finished product are taken out from brown, wide-mouth bottle, are washed with 20ml dichloromethane
Wash 3 times, after natural air drying, obtain final Sulfhydryl Cotton.
Embodiment 3：
A kind of Sulfhydryl Cotton, it, which is prepared by the following method, forms：3g absorbent cotton is taken to be added to 500ml brown, wide-mouth bottle
In, 150ml dichloromethane submergence absorbent cotton is added, room temperature is subsequently cooled to；Add 7ml TGAs and 1ml boron trifluoride second
Ethereal solution, then ultrasonically treated 60min, obtains semi-finished product；Semi-finished product are taken out from brown, wide-mouth bottle, are washed with 20ml dichloromethane
Wash 3 times, after natural air drying, obtain final Sulfhydryl Cotton.
Effect assessment and performance detection：
The Sulfhydryl Cotton that Example 1-3 is obtained is enriched with to the silver ion in water sample to be measured (containing trace silver ion),
And the silver ion content in the water sample before mark-on and after mark-on is determined using atomic absorption spectrophotometer, and calculating adds respectively
Mark the rate of recovery.
The design parameter that atomic absorption spectrophotometer is determined is as follows：
Wavelength：328.1nm；Lamp current：4.0mA；Slit width：1.3nm；
Gas flow：2.2L/min；Combustion air current amount：15.0L/min；Flame combustion height：7.5mm；
Combustion-supporting atmospheric pressure：160KPa.
The calculation of recovery of standard addition is as follows：
Recovery of standard addition=(mark-on Specimen Determination concentration-Specimen Determination concentration) ÷ spiked levels × 100%.
1. the enrichment method of silver ion in a kind of water, takes 10mL water sample to be added in 100mL centrifuge tubes, add
The Sulfhydryl Cotton that 0.1g embodiments 1 are obtained, vibrates 60min on the oscillator；After having vibrated, with 4000r/min's on centrifuge
Speed centrifuges 5min；Supernatant liquor is taken, silver ion content is determined with atomic absorption spectrophotometer, sample silver ion measure is obtained
Concentration.
Mark-on reclaims are determined：Another 10mL water samples, add silver ion titer so that the concentration of silver ion is 0.5mg/
L；Then the Sulfhydryl Cotton that 0.1g embodiments 1 are obtained is added, 60min is vibrated on the oscillator；After having vibrated, on centrifuge with
4000r/min speed centrifugation 5min；Supernatant liquor is taken, silver ion content is determined with atomic absorption spectrophotometer, is added
Mark sample silver ion and determine concentration.
It is computed, the Sulfhydryl Cotton obtained with embodiment 1 is enriched with to underwater trace silver ion, and the rate of recovery is 92%, table
High efficiency enrichment can be carried out to the silver ion in water sample by understanding the Sulfhydryl Cotton of embodiment 1.
2. the enrichment method of silver ion in a kind of water, takes 15mL water sample to be added in 100mL centrifuge tubes, add
The Sulfhydryl Cotton that 0.15g embodiments 2 are obtained, vibrates 50min on the oscillator；After having vibrated, with 4000r/min's on centrifuge
Speed centrifuges 4min；Supernatant liquor is taken, silver ion content is determined with atomic absorption spectrophotometer, sample silver ion measure is obtained
Concentration.
Mark-on reclaims are determined：Another 15mL water samples, add silver ion titer so that the concentration of silver ion is 0.5mg/
L；Then the Sulfhydryl Cotton that 0.15g embodiments 2 are obtained is added, 50min is vibrated on the oscillator；After having vibrated, on centrifuge with
4000r/min speed centrifugation 4min；Supernatant liquor is taken, silver ion content is determined with atomic absorption spectrophotometer, is added
Mark sample silver ion and determine concentration.
It is computed, the Sulfhydryl Cotton obtained with embodiment 2 is enriched with to underwater trace silver ion, and the rate of recovery is 90%, table
High efficiency enrichment can be carried out to the silver ion in water sample by understanding the Sulfhydryl Cotton of embodiment 2.
3. the enrichment method of silver ion in a kind of water, takes 20mL water sample to be added in 100mL centrifuge tubes, add
The Sulfhydryl Cotton that 0.2g embodiments 3 are obtained, vibrates 70min on the oscillator；After having vibrated, with 4000r/min's on centrifuge
Speed centrifuges 6min；Supernatant liquor is taken, silver ion content is determined with atomic absorption spectrophotometer, sample silver ion measure is obtained
Concentration.
Mark-on reclaims are determined：Another 20mL water samples, add silver ion titer so that the concentration of silver ion is 0.5mg/
L；Then the Sulfhydryl Cotton that 0.2g embodiments 3 are obtained is added, 70min is vibrated on the oscillator；After having vibrated, on centrifuge with
4000r/min speed centrifugation 6min；Supernatant liquor is taken, silver ion content is determined with atomic absorption spectrophotometer, is added
Mark sample silver ion and determine concentration.
It is computed, the Sulfhydryl Cotton obtained with embodiment 3 is enriched with to underwater trace silver ion, and the rate of recovery is 95%, table
High efficiency enrichment can be carried out to the silver ion in water sample by understanding the Sulfhydryl Cotton of embodiment 3.
Above-mentioned embodiment is only the preferred embodiment of the present invention, it is impossible to limit the scope of protection of the invention with this,
The change and replacement for any unsubstantiality that those skilled in the art is done on the basis of the present invention belong to institute of the present invention
Claimed scope.
Claims (10)
1. a kind of Sulfhydryl Cotton, it is characterised in that the Sulfhydryl Cotton, which is prepared by the following method, to be formed：
Cooling step：Extracting degreasing cotton is added in brown bottle, adds dichloromethane, and make it that the dichloromethane submergence is described de-
Fat cotton, is subsequently cooled to room temperature；
Ultrasonic step：TGA and boron trifluoride ether solution are added, then ultrasonically treated 50-70min, obtains semi-finished product；
Wherein, the volume of the TGA is 0.033-0.14 times of the methylene chloride volume, the boron trifluoride ether solution
Volume be 0.004-0.02 times of the methylene chloride volume；
Laundry air-dry step：The semi-finished product are taken out from the brown bottle, are washed 2-5 times with dichloromethane, after natural air drying,
Obtain final Sulfhydryl Cotton.
2. Sulfhydryl Cotton as claimed in claim 1, it is characterised in that：In the cooling step, 1-3g absorbent cotton is taken to be added to
In 500ml brown, wide-mouth bottle, add 50-150ml dichloromethane and submerge the absorbent cotton, be subsequently cooled to room temperature.
3. Sulfhydryl Cotton as claimed in claim 1, it is characterised in that：In the ultrasonic step, add 5-7ml TGAs and
0.6-1ml boron trifluoride ether solutions, ultrasonically treated 60min, obtains semi-finished product in ultrasonic device.
4. Sulfhydryl Cotton as claimed in claim 1, it is characterised in that：In the laundry air-dry step：From the brown bottle
The semi-finished product are taken out, is washed 3 times, after natural air drying with 20ml dichloromethane successively, obtains final Sulfhydryl Cotton.
5. Sulfhydryl Cotton as claimed in claim 1, it is characterised in that the Sulfhydryl Cotton, which is prepared by the following method, to be formed：
Cooling step：Take 2g absorbent cotton to be added in 500ml brown, wide-mouth bottle, add the submergence of 100ml dichloromethane described de-
Fat cotton, is subsequently cooled to room temperature；
Ultrasonic step：6ml TGAs and 0.8ml boron trifluoride ether solutions are added, then ultrasonically treated 60min, obtain half
Finished product；
Laundry air-dry step：The semi-finished product are taken out from brown, wide-mouth bottle, are washed with 20ml dichloromethane 3 times, it is natural
After air-drying, final Sulfhydryl Cotton is obtained.
6. Sulfhydryl Cotton as claimed in claim 1, it is characterised in that the Sulfhydryl Cotton, which is prepared by the following method, to be formed：
Cooling step：Take 1g absorbent cotton to be added in 500ml brown, wide-mouth bottle, add 50ml dichloromethane and submerge the degreasing
Cotton, is subsequently cooled to room temperature；
Ultrasonic step：5ml TGAs and 0.6ml boron trifluoride ether solutions are added, then ultrasonically treated 60min, obtain half
Finished product；
Laundry air-dry step：The semi-finished product are taken out from brown, wide-mouth bottle, are washed with 20ml dichloromethane 3 times, it is natural
After air-drying, final Sulfhydryl Cotton is obtained.
7. Sulfhydryl Cotton as claimed in claim 1, it is characterised in that the Sulfhydryl Cotton, which is prepared by the following method, to be formed：
Cooling step：Take 3g absorbent cotton to be added in 500ml brown, wide-mouth bottle, add the submergence of 150ml dichloromethane described de-
Fat cotton, is subsequently cooled to room temperature；
Ultrasonic step：Add 7ml TGAs and 1ml boron trifluoride ether solutions, then ultrasonically treated 60min, obtain half into
Product；
Laundry air-dry step：The semi-finished product are taken out from brown, wide-mouth bottle, are washed with 20ml dichloromethane 3 times, it is natural
After air-drying, final Sulfhydryl Cotton is obtained.
8. the enrichment method of silver ion in a kind of water, it is characterised in that including：
Oscillation step：10-20ml water sample to be measured is taken to be added in 100ml centrifuge tubes, then adding 0.1-0.2g rights will
The Sulfhydryl Cotton described in any one of 1-7 is sought, 50-70min is then vibrated on the oscillator；
Centrifugation step：After vibration terminates, with 3800-4200r/min speed centrifugal treating 4-6min on centrifuge,.
9. the enrichment method of silver ion in water as claimed in claim 8, it is characterised in that：
Oscillation step：10ml water sample to be measured is taken to be added in 100ml centrifuge tubes, then Sulfhydryl Cotton described in addition 0.1g, connects
And vibrate 60min on the oscillator；
Centrifugation step：After vibration terminates, with 4000r/min speed centrifugal treating 5min on centrifuge,.
10. the enrichment method of silver ion in water as claimed in claim 8, it is characterised in that：
Oscillation step：15ml water sample to be measured is taken to be added in 100ml centrifuge tubes, then Sulfhydryl Cotton described in addition 0.15g, connects
And vibrate 50min on the oscillator；
Centrifugation step：After vibration terminates, with 4000r/min speed centrifugal treating 4min on centrifuge,.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710296995.4A CN106968105A (en) | 2017-04-28 | 2017-04-28 | A kind of Sulfhydryl Cotton and its application |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710296995.4A CN106968105A (en) | 2017-04-28 | 2017-04-28 | A kind of Sulfhydryl Cotton and its application |
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| CN106968105A true CN106968105A (en) | 2017-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710296995.4A Pending CN106968105A (en) | 2017-04-28 | 2017-04-28 | A kind of Sulfhydryl Cotton and its application |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108311112A (en) * | 2018-03-16 | 2018-07-24 | 嘉兴学院 | Surface sulfhydrylation carbon fiber production method based on lower temperature plasma technology |
| CN111545178A (en) * | 2020-04-15 | 2020-08-18 | 济南大学 | Preparation method of biological adsorbent for separating sodium cyclamate |
| CN111545167A (en) * | 2020-04-13 | 2020-08-18 | 南昌航空大学 | Method for preparing silver ion selective adsorbent by using pasture |
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| CN1546778A (en) * | 2003-12-02 | 2004-11-17 | 中国科学院东北地理与农业生态研究所 | Method for preparing mercapto cotton |
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| CN111545167A (en) * | 2020-04-13 | 2020-08-18 | 南昌航空大学 | Method for preparing silver ion selective adsorbent by using pasture |
| CN111545178A (en) * | 2020-04-15 | 2020-08-18 | 济南大学 | Preparation method of biological adsorbent for separating sodium cyclamate |
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