Download e-book for iPad: Analysis of Organic Micropollutants in Water: Proceedings of by A. Bjørseth (auth.), A. Bjørseth, G. Angeletti (eds.)

By A. Bjørseth (auth.), A. Bjørseth, G. Angeletti (eds.)

ISBN-10: 9400978049

ISBN-13: 9789400978041

ISBN-10: 9400978065

ISBN-13: 9789400978065

The fee of the ecu groups offers with this quantity the complaints and the conclusions of the second one eu Symposium at the research of natural micropollutants in water. This symposium has been prepared in the framework of the Concerted motion "Analysis of natural Micropollutants in Water". This study programme is together applied by way of the ecu groups and Norway, Portugal, Spain, Sweden, Switzerland and Yugoslavia in the framework of a price (Cooperation Scientifique et process) contract. The venture, often referred to as rate venture 64b bis, goals at coordinating all proper learn during this box within the engaging nations. An attempt is made to enhance tools and methods for the id and quantitative selection of natural compounds found in all kinds of water. The symposium authorised to check the consequences completed in the past 3 years of analysis within the following components: - Sampling and pattern remedy - Gas-chromatography Separation of non-volatile compounds, specifically excessive functionality liquid chromatography (HPLC) - Mass-spectrometry - information processing - particular analytical difficulties, specifically the research of natural halogens and phenolic compounds. the amount offers a slightly entire review of the actions during this box in Europe. we're convinced that it constitutes a priceless contribution to fixing the $64000 difficulties posed by means of the large variety of already pointed out or but unknown natural toxins in water. The fee of the ecu groups needs to specific their honest due to the co-organizers, the nationwide Board for technology and know-how, Dublin and An Foras Forbartha, Dublin.

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Additional info for Analysis of Organic Micropollutants in Water: Proceedings of the Second European Symposium held in Killarney (Ireland), November 17–19,1981

Example text

Phosphates organiques. - Organomercuriels. Ces pre-fractionnements ont pour but d'ameliorer la selectivite analytique en eliminant des "faux-positifs". L'analyse CCH est realisee en deux temps sur chaque fraction FI , F2 , et F 3 • - Les mises en evidence des classes chimiques sont realisees dans des systemes de developpement et revelation d'etroite specificite. L'estimation semi-quantitative est realisee par reference a des temoins fixes en quantites connues en faisant appel a un systeme code d'appreciation visuelle des aires relatives.

46 - 4. he reoovery efficiencies of organophosphates from deionized water sample using either extraction or elution of the species adsorbed on activated carbon are significantly increased by fornation of ion-associates with tetraphenylarsonium cation. ation of all phosphorus containing degradation products of organophosphorus pesticides. he greater part: of irPrganic phosphates present in water, which interfere in the determination of dimethyl phosphate or of total am::>Unt of orgamphosphates (1) can be eliminated by adsorption on activated carbon.

ACKNOWLEDGEMENT This work has been financially supported by the Royal Norwegian Council for Scientific and Industrial Research. 5. REFERENCES 1. T. Gjessing and L. Berg1ind; Arch. , in press (1981). 2. E. C. H. Schmidt; J. Econ. , 53 (1961) 175. 3. G. Ogner and M. Schnitzer; Geochim et Cosmochim, Acta, (1970) 921. 4. G. Ogner and M. Schnitzer; Science 170 (1970) 317. 5. E. Carlberg and K. Martinsen (in preparation) • •/. ~..... -- 40 20 15 Fig. 1 30 45 60 Storage time (days) Per cent recovery of dibuty1fta1ate and 3-chlorobiphenyl (a) and flnoranthene (b) as function of storage time -44- IMProVED AcaHJIATION OF ORGANOPHOSPHATES FROM AQUEOUS MEDIA BY FORMATION OF ION-ASSOCIATES WIlli TEI'RAPHENYIARSONIUM CATION V.

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Analysis of Organic Micropollutants in Water: Proceedings of the Second European Symposium held in Killarney (Ireland), November 17–19,1981 by A. Bjørseth (auth.), A. Bjørseth, G. Angeletti (eds.)


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