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Titolo:
On-line dialysis as a sample preparation technique for ion chromatography
Autore:
De Borba, BM; Brewer, JM; Camarda, J;
Indirizzi:
Metrohm Peak, Houston, TX 77034 USA Metrohm Peak Houston TX USA 77034Metrohm Peak, Houston, TX 77034 USA Brinkmann Instruments, Westbury, NY 11590 USA Brinkmann Instruments Westbury NY USA 11590 ments, Westbury, NY 11590 USA
Titolo Testata:
JOURNAL OF CHROMATOGRAPHY A
fascicolo: 1, volume: 919, anno: 2001,
pagine: 59 - 65
Fonte:
ISI
Lingua:
ENG
Soggetto:
PERFORMANCE LIQUID-CHROMATOGRAPHY; FLOW-INJECTION ANALYSIS; BIOLOGICAL SAMPLES; ONLINE DIALYSIS; ELECTROPHORESIS; CHLORIDE; PLASMA;
Keywords:
sample preparation; dialysis; stopped-flow technique;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Physical, Chemical & Earth Sciences
Citazioni:
18
Recensione:
Indirizzi per estratti:
Indirizzo: De Borba, BM Metrohm Peak, 12521 Gulf Freeway, Houston, TX 77034 USA Metrohm Peak 12521 Gulf Freeway Houston TX USA 77034 7034 USA
Citazione:
B.M. De Borba et al., "On-line dialysis as a sample preparation technique for ion chromatography", J CHROMAT A, 919(1), 2001, pp. 59-65

Abstract

The use of on-line dialysis as a sample preparation technique for ion chromatography is described. A fully automated sample preparation device coupled to an ion chromatographic system for the determination of anions and cations in various matrices is presented. The method was based on stopped-flow dialysis, where the samples were continuously dialyzed for 10 min while theacceptor solution was stationary within the recipient channel. The matrices examined, without additional sample treatment, included milk, untreated wastewater, fruit juice, engine coolant, and a multivitamin tablet. The analyte recoveries for anions and cations in various matrices ranged from 87 to106%. In addition, multiple sample injections were performed and repeatabilities were found in the range of 0.2 to 4%. (C) 2001 Elsevier Science B.V. All rights reserved.

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Documento generato il 05/04/20 alle ore 19:28:29