http://www.cnr.it/ontology/cnr/individuo/prodotto/ID213922
Determination of nonionic aliphatic and aromatic polyethoxylate surfactants in environmental aqueous samples (Articolo in rivista)
- Type
- Label
- Determination of nonionic aliphatic and aromatic polyethoxylate surfactants in environmental aqueous samples (Articolo in rivista) (literal)
- Anno
- 1998-01-01T00:00:00+01:00 (literal)
- Alternative label
Marcomini A., Pojiana G., Patrolecco L., Capri S. (1998)
Determination of nonionic aliphatic and aromatic polyethoxylate surfactants in environmental aqueous samples
in Analusis (Online); EDP Sciences, Les Ulis Cedex (Francia)
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- Marcomini A., Pojiana G., Patrolecco L., Capri S. (literal)
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- The publication of Analusis has ceased with the last issue of 2000. Analusis was continued by Analytical and Bioanalytical Chemistry in 2002.
ISSN (print edition): 0365-4877
ISSN (electronic edition): 1286-482X
© EDP Sciences and Wiley-VCH dal 2002
pag. web http://analusis.edpsciences.org/ (literal)
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- ISI Web of Science (WOS) (literal)
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- Università Cà Foscari, Venezia
Istituto di Ricerca sulle Acque, Roma (literal)
- Titolo
- Determination of nonionic aliphatic and aromatic polyethoxylate surfactants in environmental aqueous samples (literal)
- Abstract
- Nonionic surfactants of the polyethoxylate type are environmentally relevant because of their ubiquitous presence in
raw and treated, municipal and industrial, wastewaters. Until today the standard methods currently used for the routine determination
of nonionic surfactants in environmental matrices are cumulative methods (BIAS, CTAS, PPAS, TAS), which are poorly
reliable, particularly in terms of accuracy, and do not supply any structural information on the ethoxymeric and homolog composition,
as well as on the chain length of the hydrophobic moiety. This paper describes a specific analytical procedure for the
simultaneous specific determination of polyethoxylate aliphatic (AE) and aromatic (APE) nonionics in aqueous matrices. The analytes
were isolated from water samples by solid phase extraction with graphitized carbon black and then derivatized with 1-naphthylisocyanate
(NIC). AE and APE were separated by reversed-phase HPLC combined with fluorescence detection (RP-HLPC/FL).
The analytical procedure was applied to the monitoring of these two classes of surfactants in a municipal sewage treatment plant.
The method allows rapid, precise and reliable determination of AE and APE in environmental samples at concentrations as low
as 0.1 mg/L. (literal)
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