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Friday, August 7, 2020 | History

2 edition of Preparation of ion exchange films for solid-phase spectrophotometry and solid-phase fluorometry found in the catalog.

Preparation of ion exchange films for solid-phase spectrophotometry and solid-phase fluorometry

Preparation of ion exchange films for solid-phase spectrophotometry and solid-phase fluorometry

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  • 24 Currently reading

Published by National Aeronautics and Space Administration, Glenn Research Center, National Technical Information Service, distributor in [Cleveland, Ohio], [Springfield, Va .
Written in English

    Subjects:
  • Fluorescence.,
  • Ion exchanging.,
  • Solid phases.,
  • Spectrophotometry.,
  • Polymeric films.

  • Edition Notes

    StatementCarol M. Hill ... [et al.].
    Series[NASA technical memorandum] -- NASA/TM-2000-209291., NASA technical memorandum -- 209291.
    ContributionsHill, Carol M., NASA Glenn Research Center.
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL15574411M

    Solid phase extraction is an effective technique for cleaning up and concentrating samples, prior to HPLC or GC analysis. The technique offers targeted selectivity for analytes of interest, versatility for a wide range of sample volumes, can be easily automated for high-throughput, and is performed by following quick and simple methods (load.   Solid-phase extraction is a popular means of purifying and concentrating samples prior to LC-MS analysis. It can be performed in several different formats on a variety of biological matrices, but in all cases the result is the same: extraction of the compounds of interest by retention of the analyte(s) on the solid phase and removal of matrix interferences, or vice versa. Though manual SPE is.

    constantly, e.g. solid phase micro-extraction (SPME), molecularly imprinted solid-phase extrac-tion (MISPE), dispersive solid-phase extraction (DSPE), magnetic solid phase extraction (MSPE), microfluidic solid phase extraction (uchipSPE), etc. Although all of methods have something in com-mon, each has its distinct characteristics and scope. Today, solid-phase extraction (SPE) has become a widely acclaimed sample preparation tool for analytical chemists. This technique was developed as an alternative to liquid-liquid extraction (LLE). Historical evidences and some scientists claimed that the first literature reference to SPE was found in Bible (Riemon and Walton, ).

    Bibliography Includes bibliographical references and index. Contents. Introduction to Solid-Phase Extraction, N.J.K. Simpson and M.J.M. Wells SPE Sorbents and Formats, J.J. Pesek and M.T. Matyska The Sample Matrix and Its Influence on Method Development, N.J. K. Simpson and P.M. Wynne Handling Large Volume Samples: Applications of SPE to Environmental Matrices, M.J.M. Wells SPE . Silver ion chromatography using solid-phase ex- traction columns packed with a bonded-sulfonic acid phase William W. Christie The Hannah Research Institute, Ayr, Scotland KA6 5HL Abstract Commercial solid-phase extraction columns packed with a stationary phase with bonded benzenesulfonic acid groups are readily converted to the silver ion form and can then be used.


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Preparation of ion exchange films for solid-phase spectrophotometry and solid-phase fluorometry Download PDF EPUB FB2

PREPARATION OF ION EXCHANGE FILMS FOR SOLID-PHASE SPECTROPHOTOMETRY AND SOLID-PHASE FLUOROMETRY Carol M. Hill The Goodyear Tire and Rubber Company Topeka, Kansas Kenneth W.

Street National Aeronautics and Space Administration Glenn Research Center Cleveland, Ohio Stephen P. Tanner University of West Florida Pensacola, Florida. Preparation of Ion Exchange Films for Solid-Phase Spectrophotometry and Solid-Phase Fluorometry Article in Analytical Letters 33(13) April with 14 Reads How we measure 'reads'.

Preparation of ion exchange films for solid-phase spectrophotometry and solid-phase fluorometry (OCoLC) Material Type: Document, Government publication, National government publication, Internet resource: Document Type: Internet Resource, Computer File: All Authors / Contributors: Carol M Hill; NASA Glenn Research Center.

Preparation of ion exchange films for solid-phase spectrophotometry and solid-phase fluorometry (OCoLC) Material Type: Government publication, National government publication: Document Type: Book: All Authors / Contributors: Carol M Hill; NASA Glenn Research Center.

Solid-phase extraction (SPE) can be used for different purposes in sample preparation, such as cleanup, analyte concentration, and analyte derivatization. This chapter discusses the main types of adsorbents and formats used in SPE, as well as the utilization modalities in various applications, such as conventional, microextraction, headspace.

Solid Phase Extraction (SPE) Solid phase extraction 1 (SPE) is a sample preparation technique using a solid adsorbent contained most commonly in a cartridge device (Figure 1), or on a disk to adsorb select species from solution.

SPE is used to isolate a species in a sample or to clean-up a sample before analysis. Figure 1. C.F. Poole, S.K. Poole, in Comprehensive Sampling and Sample Preparation, Introduction. Solid-phase extraction (SPE) is a method used for the isolation and concentration of analytes from a gas, fluid, or liquid (usually) flowing sample stream by their transfer to and retention (sorption) on a solid phase.

To change to a higher selective ion, pass bed volumes of 1N solution of the new counter ion through sorbent. To change to a lower selective ion, pass bed volumes of 1N solution of the new counter ion through sorbent.

Note: Number of bed volumes dependent on how much less selective the new counter ion is than the present one on the sorbent. Ion exchange SPE Secondary interactions The role of pH in SPE How to Use SPE 6 Selecting the proper extraction scheme The five-step SPE method development process Sample pretreatment options - Liquid samples - Solid samples SPE hardware and accessories for processing samples Guide to Solid Phase Extraction Ion exchange solid phase extraction has been applied broadly in the complex sample pretreatment in recent years.

This paper has introduced the basic principle, types, influence factors and operation process of ion exchange solid phase extraction, and reviewed the application of ion exchange solid phase extraction technique to residue analysis of pesticide, veterinary drug, environment and.

Solid Phase Extraction. Solid phase extraction (SPE) is to use adsorbent to absorb the target compound in the liquid sample, separate it from the matrix and interfering compound of the sample, and then elution with eluent to achieve the purpose of separation or enrichment of the target compound.

SPE generally includes four procedures (adsorbent activation, sampling, leaching, and elution). The development and characterization of a novel ion-exchange film for solid-phase fluorometry and phosphorimetry is reported.

Spectrophotometry and Solid-Phase Fluorometry. preparation of. Solid-phase extraction (SPE) is a sample preparation method where the compounds that are dissolved or suspended in a liquid mixture are separated from other compounds depending on their physical and chemical properties.

Solid-phase extraction is designed for rapid sample preparation and purification prior to chromatographic analysis. Solid-Phase Extraction for Broad-Spectrum Drug Screening in Toxicological Analysis.

The Application of SPE to Veterinary Drug Abuse. Solid Phase Extraction of Biological Samples. Solid Phase Extraction Mediated by Covalent Bonding: Applications of Immobilized Phenylboronic Acid.

Immuno-Affinity Extraction. Matrix Solid Phase Dispersion (MSPD). Anion exchange works best for acidic analytes. Table 1 shows the ion exchange media to use for different analyte types. Because the sorbents in the strong ion exchange SPE columns have strong acid or base groups, these sorbents are % ionized at all pH’s.

A Sample Preparation Primer and Guide to Solid Phase Extraction Methods Development PDF Edition revised & adapted by Patrick D. McDonald, Ph.D. General Elution Protocol for Ion Exchange primer content, proofreading, and production of the printed book.

Finally, a special thank you is extended to each of the authors who has. “SPE is a method of sample preparation that concentrates and purifies analytes from solution by sorption onto a sorbent contained in either a disposable solid phase cartridge or a well plate, followed by elution of the analyte with a solvent and reconstitution into a mobile phase that is appropriate for the instrumental method used for analysis” (n andSolid-Phase.

Solid- Phase Extraction (SPE) is a powerful sample preparation technique currently available for rapid clean-up and enrichment of sample analytes preceding chromatographic analysis. Compared to traditional liquid-liquid extraction (LLE), SPE provides major advantages in terms of simplicity, high throughput, robustness, and in most cases.

Solid-phase extraction (SPE) is an extractive technique by which compounds that are dissolved or suspended in a liquid mixture are separated from other compounds in the mixture according to their physical and chemical ical laboratories use solid phase extraction to concentrate and purify samples for analysis.

Solid phase extraction can be used to isolate analytes of interest. Ion exchange chromatography involves the separation of ionizable molecules based on their total charge. This technique enables the separation of similar types of molecules that would be difficult to separate by other techniques because the charge carried by the molecule of interest can be readily manipulated by changing buffer pH.

Ion exchange: meq/g Endcapped: yes C%: 7%. Similar selectivity to Chrompure NH2. Strong affinity and high capacity for removing fatty acids, organic acids, and some polar pigments and sugars when conducting multi-residue pesticide analysis in foods.

Excellent sorbent for chelation. Item#.Welcome! This SPE Method Development Tool will recommend an extraction method for you in under 1 minute! To start, enter the name of the analyte you’d like to extract or select “proprietary” to develop a method based on the chemical characteristics of your analyte.Solid phase extraction (SPE) is a sample preparation technique that chromatographers use to remove interfering compounds, concentrate the analyte, and/or extract the analyte in a preferred solvent prior to HPLC, GC, IC, or MS analysis.