macroporous resin use to the adsorption of gold

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New macroporous polymers for the selective adsorption of ...

New macroporous polymers with a functional group based on triisobutylphosphine sulphide are synthesized and characterized for the selective adsorption of gold and palladium.

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Application of a macroporous resin containing imidazoline ...

Application of a macroporous resin containing imidazoline groups to preconcentration and separation of gold, platinum and palladium prior to ICP-AES determination. Su ZX(1), Pu QS, Luo XY, Chang XJ, Zhan GY, Ren FZ. Author information: (1)Department of Chemistry, Lanzhou University, Lanzhou, 730000, People's Republic of China.

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Au–cysteine modified macroporous adsorption resin ...

The development of hydrophilic stationary phase for highly efficient and selective enrichment and identification of low-abundance glycopeptides from a complex biological sample is an important prerequisite in glycoproteomics research. Herein, a hydrophilic cysteine functionalized macroporous adsorption resin/gold n

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Method of extracting gold using macroporous resins

Although improved strong-base anionic ion-exchange resin, such as a commercially available resin XZ-91419 the Dow Chemical Company, are considered as an alternative to activated carbon in the extraction of gold using zenderoudi, their selectivity is still insufficient to eliminate the need for costly and cumbersome process separate elution.

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Efficient synthesis of camptothecin propargylamine ...

A novel macroporous adsorption resin-supported gold nanoparticle (MAR-AuNP) was first in situ prepared in water. The resulting MAR-AuNPs swell in water and were applied not only as an efficient adsorbent for hydrophobic CPT molecules, but also as a catalyst for the Mannich reaction of CPT, formaldehyde and amines with water as a solvent.

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Determination of the effective diffusion coefficient for ...

Jul 15, 1999  In some experiments the gold adsorbed in the resin was stripped with a 1.0 mol/dm 3 thiocyanate solution in order to verify the mass balance. The results were used to obtain the isotherm. The results were used to obtain the isotherm.

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Adsorption properties of macroporous adsorbent resins for ...

In this study, the adsorption/desorption characteristics of mulberry anthocyanins (MA) on five types of macroporous resins (XAD-7HP, AB-8, HP-20, D-101 and X-5) were evaluated, XAD-7HP and AB-8 showed higher adsorption/desorption capacities. On the basis of static adsorption

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Macroporous Resin Adsorption for Purification of ...

Dec 01, 2007  Nine kinds of macroporous res- ins with different properties were tested through static adsorption, and one macroporous resin labeled as DlOl was selected. The effect of several factors, such as the ratio of column height to diameter, initial concentration and pH, on both flavonoids yield and content were explored by dynamic adsorption to obtain reasonable conditions of ad- sorption and

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Use of macroporous adsorption resin for simultaneous ...

The macroporous adsorption resin DA 201-C is a non-polar adsorbent resin which has been used for desalting biological peptides as the resin-peptide hydrophobic interaction (Cheison, Wang, Xu ...

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Investigation on Adsorption Mechanism of Peptides with ...

Macroporous adsorption resins (MARs) have experienced rapid growth because of their unique properties and applications. Recently, it was discovered that a series of MARs with super-macroporous and diverse functional groups were synthesized to adsorb and enrich peptides; however, the detailed change mechanism of pore diameter and element composition and peptide adsorption mechanism

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Au–cysteine modified macroporous adsorption resin ...

The development of hydrophilic stationary phase for highly efficient and selective enrichment and identification of low-abundance glycopeptides from a complex biological sample is an important prerequisite in glycoproteomics research. Herein, a hydrophilic cysteine functionalized macroporous adsorption resin/gold n

More

Efficient synthesis of camptothecin propargylamine ...

A novel macroporous adsorption resin-supported gold nanoparticle (MAR-AuNP) was first in situ prepared in water. The resulting MAR-AuNPs swell in water and were applied not only as an efficient adsorbent for hydrophobic CPT molecules, but also as a catalyst for the Mannich reaction of CPT, formaldehyde and amines with water as a solvent.

More

Method of extracting gold using macroporous resins

FIELD: metallurgy. SUBSTANCE: proposed method comprises preparing leaching solution bearing gold, and gold sorption by macroporous resin containing alkyl amine functional groups in amount of 0.01-1.0 mmol/g and 3-12% of cross-links with water retaining capacity making, at least, 30%, and specific surface area varying from 400 to 1200 m 2 /g. After sorption, gold is eluted.

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DL301-II Resin-specific adsorption of gold--Bengbu Dongli ...

Highest use temperature℃ OH- 100 Cl- 40 . Expansion rate (OHˉ→Clˉ)% ≤15-20% . Operational flow speed m/h . 10-30 . Desorption : Resin adsorption of gold thiourea with 9% + 3% sulfuric acid analysis, analytical dosage of 6-8 times the bed volume, contact time with Resin for 2h or more.

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Use of macroporous adsorption resin for simultaneous ...

The macroporous adsorption resin DA 201-C is a non-polar adsorbent resin which has been used for desalting biological peptides as the resin-peptide hydrophobic interaction (Cheison, Wang, Xu ...

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Adsorption/Desorption Characteristics and Separation of ...

Au–cysteine modified macroporous adsorption resin: preparation and highly selective enrichment and identification of N-linked glycopeptides from the complex biological sample. RSC Advances 2016 , 6 (114) , 113058-113065.

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Adsorbability Enhancement of Macroporous Resin by ...

In order to enhance the adsorption efficiency and economize the use of macroporous resin, we have treated it with the dielectric barrier discharge (DBD) plasma to improve its adsorbing capacity for phenol. The effects of operation conditions, for instance, applied voltage, treated time, and air flow rate on resin, were investigated by adsorption kinetics and isotherms.

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Adsorption of Trace Heavy Metals: Application of Surface ...

A Hypersol-Macronet polymer, MN-600, and a weakly acidic ion exchanger, C-104E containing mainly carboxylic functionality, have been characterized to evaluate their performance for trace heavy metal removal. Characterization of these polymers in the form of scanning electron micrographs, Brunauer−Emmett−Teller (BET) and Langmuir surface area measurements, Fourier transform infrared ...

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Ultrasonic-assisted modifications of macroporous resin to ...

Nov 03, 2019  The particle-size distribution curve and scanning electron microscopic images also revealed higher resin-surface roughness, peeling and the appearance of pores on the surface under ultrasonication.This is the first study to use ultrasonication to modify a cationic exchange resin for the improvement of Cy 3-gal purification from a fruit extract.

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ACCEPTED MANUSCRIPT OPEN ACCESS Adsorption potential

The surface area and pore size distribution of macroporous resin Amberlyst.15 were calculated under N 2 gas adsorption/desorption isotherm at 77K. The BET surface area of the adsorbent was estimated as 105.67m2/g with an average pore volume of 0.55 cc/g [30]. Similarly, from the plot

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AB-8 macroporous resin--Bengbu Dongli Chemical Co.,Ltd.

AB-8 macroporous resin . Product pictures: Use: For alkaloid extraction, organic extraction and separation of cephalosporins, Ivermectin, clindamycin phosphate has good adsorption. Specification standard: Indicator . Parameter . Implement stnadard: Q/DL022-2008. Appearance

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China Macroporous Adsorption Resin, Macroporous Adsorption ...

Sourcing Guide for Macroporous Adsorption Resin: As an online chemical database of China Chemicals and Chemical Suppliers, our website provides the chemical community with the most competitive promotion prices on the market by connecting chemical buyers directly with chemical manufacturers in China.

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Adsorption Purolite purolite

Adsorption Products. Purolite specialty adsorbents are solid copolymers with highly porous structures designed to adsorb and desorb a wide variety of complex molecules and structures in a range of environments. ... Polymethacrylic Macroporous, Adsorbent Resin, Non-Ionic form, Coarse Particle Size. Adsorption of patulin.

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Separation and Purification of Two Flavone Glucuronides ...

The performance and adsorption characteristics of eight macroporous resins including AB-8, HPD100, HPD450, HPD600, D100, D101, D141 and D160 had been evaluated. The results confirmed that D141 resin was preferred choice, which offered the best adsorption and desorption capacities for the two glucuronides among the tested resins.

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Efficient synthesis of camptothecin propargylamine ...

A novel macroporous adsorption resin-supported gold nanoparticle (MAR-AuNP) was first in situ prepared in water. The resulting MAR-AuNPs swell in water and were applied not only as an efficient adsorbent for hydrophobic CPT molecules, but also as a catalyst for the Mannich reaction of CPT, formaldehyde and amines with water as a solvent.

More

Au–cysteine modified macroporous adsorption resin ...

The development of hydrophilic stationary phase for highly efficient and selective enrichment and identification of low-abundance glycopeptides from a complex biological sample is an important prerequisite in glycoproteomics research. Herein, a hydrophilic cysteine functionalized macroporous adsorption resin/gold n

More

DL301-II Resin-specific adsorption of gold--Bengbu Dongli ...

Highest use temperature℃ OH- 100 Cl- 40 . Expansion rate (OHˉ→Clˉ)% ≤15-20% . Operational flow speed m/h . 10-30 . Desorption : Resin adsorption of gold thiourea with 9% + 3% sulfuric acid analysis, analytical dosage of 6-8 times the bed volume, contact time with Resin for 2h or more.

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Optimization of extraction and macroporous resin ...

Jan 19, 2021  The crude extract was further purified by AB‐8 macroporous resin. The optimum adsorption conditions were: sample concentration of 3.5 mg/ml, pH of 5, and adsorption flow rate of 1.5 ml/min. The optimum desorption conditions were: ethanol concentration of 70%, and desorption flow rate of 1.0 ml/min. After purification, the content of total ...

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A facile macroporous resin-based method for separation of ...

In order to separate these two groups of bioactive pigments, a facile macroporous resin-based method was developed. The weak-polar resin CAD-40 was selected from the seven tested macroporous resins as it revealed better properties for the adsorption and desorption of the YMPs and OMPs.

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Adsorption potential of macroporous Amberlyst-15 for Cd(II ...

The macroporous ion exchange resins are unique and most suitable for the adsorption of heavy metal ions due to their porous three-dimensional structures and large specific surface areas. In the current investigation, a macroporous sulphonic acid cation exchange resin Amberlyst-15 was implemented for the adsorption of Cd (II) using batch ...

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Adsorption of Trace Heavy Metals: Application of Surface ...

A Hypersol-Macronet polymer, MN-600, and a weakly acidic ion exchanger, C-104E containing mainly carboxylic functionality, have been characterized to evaluate their performance for trace heavy metal removal. Characterization of these polymers in the form of scanning electron micrographs, Brunauer−Emmett−Teller (BET) and Langmuir surface area measurements, Fourier transform infrared ...

More

AB-8 macroporous resin--Bengbu Dongli Chemical Co.,Ltd.

AB-8 macroporous resin . Product pictures: Use: For alkaloid extraction, organic extraction and separation of cephalosporins, Ivermectin, clindamycin phosphate has good adsorption. Specification standard: Indicator . Parameter . Implement stnadard: Q/DL022-2008. Appearance

More

ACCEPTED MANUSCRIPT OPEN ACCESS Adsorption potential

The surface area and pore size distribution of macroporous resin Amberlyst.15 were calculated under N 2 gas adsorption/desorption isotherm at 77K. The BET surface area of the adsorbent was estimated as 105.67m2/g with an average pore volume of 0.55 cc/g [30]. Similarly, from the plot

More

Separation and Purification of Two Flavone Glucuronides ...

The performance and adsorption characteristics of eight macroporous resins including AB-8, HPD100, HPD450, HPD600, D100, D101, D141 and D160 had been evaluated. The results confirmed that D141 resin was preferred choice, which offered the best adsorption and desorption capacities for the two glucuronides among the tested resins.

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Purolite

The resin has no affinity for the neutral gold-thiourea complex and the gold reports to the eluate stream. P — NR3+Au(CN)2- + 2TU + 2 H2SO4 --> P — NR3+HSO4- + Au(TU)2+HSO4- + 2HCN A disadvantage of the use of SBA resins for gold cyanide recovery is the fact that thiourea is a suspected carcinogen, resulting in reluctance by new operations ...

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DFT study on hydrogen-bonding adsorption mechanism of ...

The adsorption mechanism of a series of macroporous adsorption resins (p-(CH3NH)PhL (L = NH2, OH, COOH)) with rutin have been investigated using density functional theory calculations at B3LYP/6-31G(d,p) level of theory. Solvent effects on these species were explored using calculations that included a polarizable continuum model for the aqueous solvent.

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China Polar Crosslinked Polystyrene Macroporous Polymeric ...

China Polar Crosslinked Polystyrene Macroporous Polymeric Adsorbent for Adsorption of Organic Substances, Find details about China Synthetic Adsorbent, Macroporous Adsorbent from Polar Crosslinked Polystyrene Macroporous Polymeric Adsorbent for Adsorption of Organic Substances - Xi′an QingYun Water Treatment Tech. Co., Ltd.

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Scorzonera austriaca with Macroporous Resins

resin (g). 2.1. Screening of Macroporous Resin A 1.40 mgmL 1crude flavonoid extract solutionfrom Scorzonera austriaca was used as the test sample. Adsorption and desorption properties of five macroporous resins for total flavonoids were investigated. The results, shown in Table1, indicated that among the five resins, the D4020

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Supporting Information Resin-Supported Gold Nanoparticles ...

Derivatives in Water Catalyzed by Macroporous Adsorption Resin-Supported Gold Nanoparticles Xiao-Bo Zhao†, Wei Ha†, Kan Jiang, Juan Chen, Jun-Li Yang, Yan-Ping Shi* Key Laboratory of Chemistry of Northwestern Plant Resources of CAS and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical

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DL301-II Resin-specific adsorption of gold--Bengbu Dongli ...

Highest use temperature℃ OH- 100 Cl- 40 . Expansion rate (OHˉ→Clˉ)% ≤15-20% . Operational flow speed m/h . 10-30 . Desorption : Resin adsorption of gold thiourea with 9% + 3% sulfuric acid analysis, analytical dosage of 6-8 times the bed volume, contact time with Resin for 2h or more.

More

Adsorption potential of macroporous Amberlyst-15 for Cd(II ...

The macroporous ion exchange resins are unique and most suitable for the adsorption of heavy metal ions due to their porous three-dimensional structures and large specific surface areas. In the current investigation, a macroporous sulphonic acid cation exchange resin Amberlyst-15 was implemented for the adsorption of Cd (II) using batch ...

More

(PDF) Comparative studies on the adsorption of Au(III ...

The results in Fig. 4 indicate that the gold adsorption increased with an increasing resin dose. With an increase in resin dose from 0.1 to 3.0 g, the gold adsorption increased from 51.8%, 63.4% and 62.9% to 94.3%, 98.7% and 99.6% for Amberlite XAD-7HP, Bonlite BA304 and

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Scorzonera austriaca with Macroporous Resins

resin (g). 2.1. Screening of Macroporous Resin A 1.40 mgmL 1crude flavonoid extract solutionfrom Scorzonera austriaca was used as the test sample. Adsorption and desorption properties of five macroporous resins for total flavonoids were investigated. The results, shown in Table1, indicated that among the five resins, the D4020

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Macroporous resin Article about macroporous resin by The ...

The macroporous resins NKA-11 was used for chromatography of the crude extract L The macroporous resin NKA-11 is a kind of cross-linked polystyrene with polarity. Isolation of adenosine, iso-sinensetin and dimethylguanosine with antioxidant and HIV-1 protease inhibiting activities from fruiting bodies of Cordyceps militaris

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DFT study on hydrogen-bonding adsorption mechanism of ...

The adsorption mechanism of a series of macroporous adsorption resins (p-(CH3NH)PhL (L = NH2, OH, COOH)) with rutin have been investigated using density functional theory calculations at B3LYP/6-31G(d,p) level of theory. Solvent effects on these species were explored using calculations that included a polarizable continuum model for the aqueous solvent.

More

Use of Macroporous Adsorption Resin for Simultaneous ...

Whey protein isolate,WPI,was hydrolyzed using Protease N“ Amano” G(IUB 3.4.24.28)in a batch reactor at 55℃ and pH7.0 according to the pH-stat procedure.Ash was removed by adsorbing the hydrolysates onto macroporous adsorption resins(MAR).Desorption was achieved by washing with 20%,40% and 75% alcohol(V/V)respectively and three fractions:HS20,HS40 and HS75 corresponding to the alcohol ...

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ACCEPTED MANUSCRIPT OPEN ACCESS Adsorption potential

The surface area and pore size distribution of macroporous resin Amberlyst.15 were calculated under N 2 gas adsorption/desorption isotherm at 77K. The BET surface area of the adsorbent was estimated as 105.67m2/g with an average pore volume of 0.55 cc/g [30]. Similarly, from the plot

More

Comparative experimental investigation on gas adsorption ...

Abstract: A comparative experimental investigation on purification of benzene by adsorption-microwave desorption and adsorption-thermal desorption was conducted with adsorbents of macroporous resin and activated carbon fibers, respectively. The result shows that, in spite of its less adsorption capacity, the macroporous resin has a steeper adsorption breakthrough curve than activated carbon ...

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China Macroporous Adsorption Resin Suppliers ...

Macroporous adsorption resin is a type of polymer adsorption resin that does not contain exchange groups and has a large pore structure. It has a good macroporous network structure and a large specific surface area. It can adsorb organics in aqueous solutions through physical adsorption.

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Adsorption behaviors of iodide anion on silver loaded ...

Abstract: A macroporous silica-based silver loaded adsorbent was synthesized by grafting the silver complexes of thiourea (Ag(tu) 3 NO 3) into a silica-based copolymer support (SiO 2-P).The adsorbent was used to uptake iodide anions (I –) by batch and column techniques.The kinetic and saturated adsorption experiments were carried out by varying the shaking times and initial concentration of ...

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AmberChrom™ CG300M - DuPont

AmberChrom™ CG300M Chromatography Resin is a macroporous, adsorbent resin designed for use in capture and purification steps of downstream processing of synthetic oligonucleotides and polypeptides, such as insulin.

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Aldex CRA Macroporous Strong Base Anion Exchange Resin ...

Aldex CRA is a strongly basic, type 1 anion built on a macroporous, cross-linked acrylic polymer matrix having quaternary ammonium functionality. The porous structure allows more efficient removal of large organic molecules using both adsorption and ion exchange properties to capture those contaminants. The acrylic polymer matrix allows for excellent adsorption and desorption of natural ...

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