Preconcentration and sol-gel based separations for inorganic ion determination by Janaki Seneviratne

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Subjects:

  • Trace elements -- Analysis,
  • Chemistry, Inorganic

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Statementby Janaki Seneviratne
The Physical Object
Paginationxiv, 224 leaves ;
Number of Pages224
ID Numbers
Open LibraryOL18127474M

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Hybrid organic/inorganic sol-gel materials containing an encapsulated crown ether ligand were found to selectively remove +/- % of Sr2+ from a. A novel Pb(II) ion-imprinted mesoporous sorbent (IIMS) was synthesized by a surface imprinting technique combined with a sol-gel process and characterized by FT-IR and N2 adsorption-desorption.

Compared to the non-imprinted mesoporous sorbent (NIMS), the IIMS had a higher adsorption capacity and selectivity for Pb(II). The maximum static adsorption Cited by: However, except a few reports [14, 15], no 56 serious attempt has so far been made to investigate the use of rice 57 husk (RH) as the source of lignin to combine with silica for the 58 production.

Madrakian T, Afkhami A, Zolfigol MA, Solgi M () Separation, preconcentration and determination of silver ion from water samples using silica gel modified with 2,4,6-trimorpholino-1,3,5-triazin. J Hazard Mater CrossRef Google ScholarCited by: This review provides an overview of the most recent developments involving materials for solid-phase extraction applied to determine organic contaminants.

It mainly concerns polymer-based sorbents that include high-capacity, as well as selective sorbents, inorganic-based sorbents that include those prepared using sol-gel technology along with structured porous materials based Author: Núria Fontanals, Rosa M.

Marcé, Francesc Borrull. The synthesis of nano-scaled ion imprinted polymers was carried out according to the previous reports.Firstly, in order to prepare Ni 2 +:morin complex, mmol of solid morin was dissolved into 23 mL of ethanol-acetonitrile mixture () as porogen solvent and then treated it with mmol nickel nitrate, at room temperature with continuous stirring for 1 by: A novel time-based flow-injection–solid-phase extraction system (FI–SPE) coupled with flame atomic absorption spectrometry (FAAS) for automatic on-line preconcentration and determination of thallium was developed.

The efficiency of poly-tetrafluoroethylene (PTFE) turnings packed into a column as sorbent material was investigated for thallium : Viktoria Kazantzi, Aristeidis Anthemidis. 5 Introduction of g ermania based sol gel organic inorganic hybrid coatings for capillary microextraction and gas chromatography Solid phase microextraction (SPME) [ 32 ] is an effective approach to solvent free sampling and sample preparation for laboratory and field analyses.

Developed in by PAGE A device for on-line extraction and concentration of peptides from a dilute sample matrix prior to direct capillary electrophoretic analysis is described. The technique, termed solid phase extraction capillary electrophoresis (SPE-CE), can facilitate analysis of peptides in the low nanograms per milliliter range.

Peptides from a sample matrix are adsorbed on a reversed phase resin (C-8 or Cited by:   Fig. 1 shows the schematic mechanism of the preparation process of Cu(II) ion-imprinted polymer. First, 3 mmol ( g) Cu(NO 3) 2 was dissolved in 40 mL deionized water and then the solution was stirred continuously for 5 min.

Then 6 mmol AAPTMS was slowly added into the aqueous solution, which was then continuously stirred for another 2 by: A new modified silica gel doped with 5-(4-dimethylaminobenzylidene)-rhodanine was prepared for separation, preconcentration and determination of silver ion by atomic absorption spectrometry.

This new modified silica gel was used as an effective adsorbent for the solid phase extraction of Ag + from aqueous by: In this study, we report a simple procedure for applying molecular imprinting functional groups to the inner surfaces of the template-synthesized sol−gel nanotubes for chemical separation of estrone.

The silica nanotubes were synthesized within the pores of nanopore alumina template membranes using a sol−gel method by simultaneous hydrolysis of a silica monomer−imprinted Cited by: In this review, we describe four approaches to the materials synthesis of organized inorganic matter.

These include the use of self-assembled organic templates (transcriptive synthesis), cooperative assemblies of templates and building blocks (synergistic synthesis), spatially restricted reaction fields (morphosynthesis), and combinations of these approaches.

Synthesis of inorganic membrane by sol–gel process: by A. Larbot, N. Agoudjil and S. Kermadi the sol–gel process is appropriate to elaborate thin and porous layers with controllable porosity on a wide range of chemically resistant macroporous substrates. The synthesis of gel is based on hydrolysis–condensation reactions indirectly to.

CME presents significant interest in environmental, pharmaceutical, petrochemical, biomedical, agricultural, food, flavor, and a host of other important areas.

Sol-gel CME utilizes advanced ma terial properties of organic-inorganic hybrid sol-gel polymers to perform efficient extraction and enrichment of target analytes from a variety of matr ices. This comprehensive three-volume handbook brings together a review of the current state together with the latest developments in sol-gel technology to put forward new ideas.

The first volume, dedicated to synthesis and shaping, gives an in-depth overview of the wet-chemical processes that constitute the core of the sol-gel method and presents the.

Shehzada Muhammad Sajid Jillani, Saheed A. Ganiyu and Khalid Alhooshani, Development of a SBSE-HPLC method using sol-gel based germania coated twister for the analysis of 4-chloronaphthol in biological and water samples, Arabian Journal of Chemistry, /, ().Cited by: New Polymeric Composite Materials, Chapter 5 quantity.

Add to cart Preparation and characterization of 5-sulphosalicylic acid doped tetraethoxysilane composite ion-exchange material by sol–gel method. Synthesis and structural characterization of a new chiral porous hybrid organic–inorganic material based zirconium phosphates and.

The updated second edition of the popular Inorganic Materials Chemistry Desk Reference remains a valuable resource in the preparation of solid-state inorganic materials by chemical processing techniques.

It also expands upon new chemical precursors available to materials scientists, the applications. Current Analytical Chemistry publishes expert reviews and original research articles on all the most recent advances in analytical chemistry.

All aspects of the field are represented including analytical methodology, techniques and instrumentation in both fundamental and applied areas of the field. The journal is essential to all involved in analytical chemistry and applied areas. The book, "The Chemistry of the Actinide Elements," by Joseph J.

Katz and Glenn T. Seaborg, describes the early chemical separations processes developed during the Manhattan Project.

The evolution from the Bismuth Phosphate process, through REDOX, and PUREX, is given in a lucid and thorough : Office of Science.

Sol-Gel processing methods, first used historically for decorative and constructional materials, were extensively developed in the last century for applications such as glasses, ceramics, catalysts, coatings, composites and fibres. Today they are.

preconcentration separation new New Generation Green Solvents for Separation and New Generation Green Solvents for Separation and Preconcentration of Organic and Inorganic Species is designed to help researchers and students understand the production and application of new generation green solvents in separation- and preconcentration-based.

Determination of nitrites and nitrates in drinking water using capillary electrophoresis; Masár, M., Jöhnck, M., & Stanislawski, B.

Isotachophoresis and isotachophoresis — zone electrophoresis separations of inorganic anions present in water samples on a planar chip with column-coupling separation channels and conductivity Cited by: This banner text can have markup.

web; books; video; audio; software; images; Toggle navigation. Items where Author is "Breadmore, MC" Up a level Avdalovic, N and Haddad, PR'On-capillary ion-exchange preconcentration of inorganic anions in open-tubular capillary electrochromatography with elution using transient-isotachophoretic gradients.

PM and Landers, JP'Monolithic sol-gel microchip device for efficient. Molecular imprinting focuses on the fabrication of an artificial receptor with perfect molecular recognition abilities.

It has attracted a great deal of scientific attention because of the enormous opportunities it opens in the fields of separation, catalysis, and analysis.

Mass spectrometry is the most powerful technique for the detection and identification of organic compounds. It can provide molecular weight information and a wealth of structural details that give a unique fingerprint for each analyte.

Due to these characteristics, mass spectrometry-based analytical methods are showing an increasing interest in the scientific community, especially in Cited by: 6. Multiwalled Carbon Nanotubes as a Solid-Phase Extraction Adsorbent for the Determination of Bisphenol A, 4-n-Nonylphenol, and 4-tert-OctylphenolCited by: We describe novel cycloolefin polymer (COP)-based open tubular capillary ion exchange columns.

COP capillaries (inner diameter of 19–28 μm) were successfully sulfonated at room temperature using a cocktail of ClSO3H (85–95% w/w) and HOAc or H2SO4.

The cation exchange capacity is controlled by the sulfonation time and the sulfonation solution Cited by: 7. EPA//R/ October Monitored Natural Attenuation of Inorganic Contaminants in Ground Water Volume 2 Assessment for Non-Radionuclides Including Arsenic, Cadmium, Chromium, Copper, Lead, Nickel, Nitrate, Perchlorate, and Selenium Edited by Robert G.

Ford, Richard T. Wilkin, & Robert W. Puls U.S. Environmental Protection Agency Office of Research. Comprehensive Sampling and Sample Preparation is a complete treatment of the theory and methodology of sampling in all physical phases and the theory of sample preparation for all major extraction techniques.

It is the perfect starting point for researchers and students to design and implement their experiments and support those experiments with quality-reviewed Book Edition: 1. Prediction of retention of inorganic anions in ion-exchange chromatography based on quantitative structure-retention relationships.

Poster presentation at 40th International Symposium on High Performance Liquid Phase Separations and Related Techniques (HPLC Hobart), Hobart, Australia, November Metal–organic framework (MOF) membranes possess superior separation performance, but their inferior processability is an intrinsic drawback.

Herein, we report a scalable and versatile sol–gel transformation strategy to synthesize MOF membranes by two steps of precursor-coating for gel dispersion and thermal-Cited by: 3. Coulometry: determination of hydroquinone in a liquid sample with coulometric titration, calculation of analyte concentration from the electrical charge.

Potentiometry with ion selective electrode: determination of nitrate or fluoride ions using ion selective electrode, calibration curve construction. MBCANC1 x MC:MBCANC1 MC x 1/8/10 PM Page 3. Environmental Analysis New. Analytical Measurements in Aquatic Environments. Environmental Chemometrics Principles and Modern Applications.

'Alkylthiol gold nanoparticles in sol-gel-based open tubular capillary electrochromatography' Yang, Li and Guihen, Elizabeth and Glennon, Jeremy D () 'Alkylthiol gold nanoparticles in sol-gel-based open tubular capillary electrochromatography' Journal of separation science.

Mass spectrometry (MS) is one of the most powerful techniques for the detection and identification of organic and inorganic compounds. Being able to provide both molecular weight.

Young, C. “Evolution of Blood Chemistry Analyzers Based on Ion Selective Electrodes,” J. Chem. Educ.74, – The following sources provide additional information on electrochemical biosensors.

R Vera, Y Zhang, C Fontàs, MIGS Almeida, E Anticó, RW Cattrall, SD Kolev, Flow analysis determination of arsenate using on-line extraction and gas-diffusion membrane-based separation, Symposium on Flow Analysis and Capillary ElectrophoresisHradec Kralove (Czech Republic), JuneBook of Abstracts, p.

1, KL1. The present book describes the role of colloidal systems in environmental protection in areas like drinking water, wastewater treatment, heavy metal remediation, treatment of contaminated soils, abatement of pesticide contamination in food and soil.

Breadmore, MC and Boyce, M and Macka, M and Avalovic, N and Haddad, PR, On-capillary ion-exchange preconcentration of inorganic anions using open-tubular capillaries followed by elution with a transient isotachophoretic gradient, The Analyst,(5) pp.

ISSN () [Refereed Article].The adsorption properties of mesoporous chelate containing sorbents which were prepared in two phases with europium and copper acetylacetonate complexes and PEG as surfactant, were evaluated by column adsorption properties of mesoporous silica with chelate complexes for some organic compounds were evaluated by gas by: 4.

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