An atomic absorption spectrometric method for the determination of non-ionic surfactants
Identifieur interne : 001990 ( Main/Exploration ); précédent : 001989; suivant : 001991An atomic absorption spectrometric method for the determination of non-ionic surfactants
Auteurs : P. T. Crisp [Australie] ; J. M. Eckert [Australie] ; N. A. Gibson [Australie]Source :
- Analytica Chimica Acta [ 0003-2670 ] ; 1979.
Abstract
A method is described for the determination of non-ionic surfactants in the concentration range 0.05–2 mg l-1.Surfactant molecules are extracted into 1,2-dichlorobenzene as a neutral adduct with potassium tetrathiocyanatozincate(II) and the determination is completed by atomic absorption spectrometry. With a 150-ml water sample, the limit of detection is 0.03 mg l-1(as Triton X-100).The method requires a single phase separation step, is applicable, without modification, to fresh, estuarine and sea-water samples and is relatively free from interference by anionic surfactants; the presence of up to 5 mg l-1 of anionic surfactant (as LAS) introduces an error of no more than 0.07 mg l-1 (as Triton X-100) in the apparent non-ionic surfactant concentration.
Url:
DOI: 10.1016/S0003-2670(01)83818-6
Affiliations:
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T." last="Crisp">P. T. Crisp</name><affiliation wicri:level="1"><country xml:lang="fr">Australie</country><wicri:regionArea>Department of Inorganic Chemistry, University of Sydney</wicri:regionArea><wicri:noRegion>University of Sydney</wicri:noRegion></affiliation></author><author><name sortKey="Eckert, J M" sort="Eckert, J M" uniqKey="Eckert J" first="J. M." last="Eckert">J. M. Eckert</name><affiliation wicri:level="1"><country xml:lang="fr">Australie</country><wicri:regionArea>Department of Inorganic Chemistry, University of Sydney</wicri:regionArea><wicri:noRegion>University of Sydney</wicri:noRegion></affiliation></author><author><name sortKey="Gibson, N A" sort="Gibson, N A" uniqKey="Gibson N" first="N. A." last="Gibson">N. A. Gibson</name><affiliation wicri:level="1"><country xml:lang="fr">Australie</country><wicri:regionArea>Department of Inorganic Chemistry, University of Sydney</wicri:regionArea><wicri:noRegion>University of Sydney</wicri:noRegion></affiliation></author></analytic><monogr></monogr><series><title level="j">Analytica Chimica Acta</title><title level="j" type="abbrev">ACA</title><idno type="ISSN">0003-2670</idno><imprint><publisher>ELSEVIER</publisher><date type="published" when="1979">1979</date><biblScope unit="volume">104</biblScope><biblScope unit="issue">1</biblScope><biblScope unit="page" from="93">93</biblScope><biblScope unit="page" to="98">98</biblScope></imprint><idno type="ISSN">0003-2670</idno></series><idno type="istex">5DD89F86B8825531D0EFF04D7B9ACCA7331CDA63</idno><idno type="DOI">10.1016/S0003-2670(01)83818-6</idno><idno type="PII">S0003-2670(01)83818-6</idno><idno type="ArticleID">01838186</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0003-2670</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">A method is described for the determination of non-ionic surfactants in the concentration range 0.05–2 mg l-1.Surfactant molecules are extracted into 1,2-dichlorobenzene as a neutral adduct with potassium tetrathiocyanatozincate(II) and the determination is completed by atomic absorption spectrometry. With a 150-ml water sample, the limit of detection is 0.03 mg l-1(as Triton X-100).The method requires a single phase separation step, is applicable, without modification, to fresh, estuarine and sea-water samples and is relatively free from interference by anionic surfactants; the presence of up to 5 mg l-1 of anionic surfactant (as LAS) introduces an error of no more than 0.07 mg l-1 (as Triton X-100) in the apparent non-ionic surfactant concentration.</div></front></TEI><affiliations><list><country><li>Australie</li></country></list><tree><country name="Australie"><noRegion><name sortKey="Crisp, P T" sort="Crisp, P T" uniqKey="Crisp P" first="P. T." last="Crisp">P. T. Crisp</name></noRegion><name sortKey="Eckert, J M" sort="Eckert, J M" uniqKey="Eckert J" first="J. M." last="Eckert">J. M. Eckert</name><name sortKey="Gibson, N A" sort="Gibson, N A" uniqKey="Gibson N" first="N. A." last="Gibson">N. A. 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