By A. Bjørseth (auth.), A. Bjørseth, G. Angeletti (eds.)
The fee of the ecu groups provides with this quantity the court cases 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 carried out via the eu groups and Norway, Portugal, Spain, Sweden, Switzerland and Yugoslavia in the framework of a price (Cooperation Scientifique et procedure) contract. The venture, sometimes called fee undertaking 64b bis, goals at coordinating all appropriate study during this box within the engaging international locations. An attempt is made to enhance equipment and strategies for the id and quantitative decision of natural compounds found in every kind of water. The symposium authorized to study the implications accomplished up to now 3 years of study within the following components: - Sampling and pattern therapy - Gas-chromatography Separation of non-volatile compounds, particularly excessive functionality liquid chromatography (HPLC) - Mass-spectrometry - facts processing - particular analytical difficulties, specifically the research of natural halogens and phenolic compounds. the quantity offers a slightly whole evaluation of the actions during this box in Europe. we're convinced that it constitutes a useful contribution to fixing the $64000 difficulties posed through the massive variety of already pointed out or but unknown natural toxins in water. The fee of the eu groups needs to precise their honest because of the co-organizers, the nationwide Board for technological know-how and expertise, Dublin and An Foras Forbartha, Dublin.
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Additional resources for Analysis of Organic Micropollutants in Water: Proceedings of the Second European Symposium held in Killarney (Ireland), November 17–19,1981
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We have only a few comparative results, but it seems that the total ~T IRCHA method is a good compromise. XAD2 improved is certainly a good and cheap way to mak~ a routine survey but we have to find, why we detect only 5 compounds, versvs 14 in the ~ T CHCI3. ;~ ••••• 2,85mg/l improved . 0 . ---:_ contaminants + micropollutants Solvent efficiency on raw water val u e s ) Extract Purity is a criteria of the contaminants (Apparatus + reagents blank ! D. Carbon +IRA 20 - 50 KF 0,17 0,04 2 XAD2 alone Evaluation of the cost of materials and reagents before treatment ==?
34- EXEMPLE Elution de la plaque CCM "Chlorophenols". ) 2;: ~ @) 3;: d'une eau (II) "contaminants" Temoin resolution/revelation (2ug de chaque constituant type) Standard ~uantitatif 2 f g pe ntachlorophenol. Temoin 2;: Contaminants 1;: El 9;: 1;: 8 E2 6;: 1;: 5 ;: ;: Si, dans Ie cas de l'eau I, l'extrait El est de 3 mg/l l'indice de richesse est 8 x 3 0,5 48;: De meme si la teneur de l'eau II en extrait E2 est de 0,5 mg/l on obtient 5 x 0,5 5;: 0,5 D'autres mises en evidence de tendances, par une exploitation differente des resultats sont possibles.