Identyfikatory
Warianty tytułu
Oznaczanie aldehydów w depozycji mokrej
Języki publikacji
Abstrakty
The paper presents two sample preparation procedures for the determination of aldehydes in wet deposition. In both cases the 2,4-dinitrophenylhydrazine derivatization and solid phase extraction were applied. The derivatization in method A was applied before the extraction, the extraction in method B was carried out with simultaneous derivatisation. Accuracy of both methods was evaluated on the basis of the analysis of aqueous solutions of selected carbonyl compounds. Both methods were characterized by good recovery, however, due to the precision of the method expressed as RSD for testing of environmental samples the method B was used. The analysis of environmental samples showed significant differences in the concentrations of aldehydes in wet deposition, depending on the location of the sampling point. In the case of samples taken from agricultural areas the predominant aldehydes were formaldehyde and acetaldehyde. Formaldehyde was from 31% to 47% of the determined compounds. While in samples collected near a traffic source, in the deposition acrolein was determined at the levels from 62% to 64% of the identified compounds.
W pracy przedstawiono dwie procedury przygotowania próbek mokrej depozycji do oznaczeń aldehydów. W obydwóch przypadkach zastosowano derywatyzację 2,4-dinitrofenylohydrazyną oraz ekstrakcję do fazy stałej. W metodzie A derywatyzacja poprzedzała ekstrakcję, w metodzie B ekstrakcję prowadzono z równoczesną derywatyzacją. Na podstawie analiz wodnych roztworów wybranych związków karbonylowych oceniono precyzję obydwóch metod. Ze względu na odzysk oraz wartość względnego odchylenia do analiz próbek środowiskowych pobranych z obszarów silnie uprzemysłowionych i rolniczych wybrano metodę B. Analiza próbek środowiskowych wykazała znaczne zróżnicowanie stężeń aldehydów w mokrej depozycji w zależności od lokalizacji punktu pobierania próbek. W przypadku próbek pobranych z obszarów rolniczych dominującymi aldehydami były formaldehyd i acetaldehyd. Formaldehyd stanowił od 31% do 47% oznaczonych związków. Podczas gdy w próbkach pobranych w pobliżu źródeł komunikacyjnych w depozycji stwierdzono udział akroleiny w oznaczonych aldehydach na poziomie od 62% do 64% oznaczonych związków.
Czasopismo
Rocznik
Tom
Strony
21--31
Opis fizyczny
Bibliogr. 26 poz., tab., wykr.
Twórcy
autor
- Institute of Non-Ferrous Metals Sowinskiego 5, 44-100 Gliwice, Poland
- Department of Analytical Chemistry, Faculty of Chemistry Silesian University of Technology Strzody 7M, 44-100 Gliwice, Poland
autor
- Institute of Non-Ferrous Metals Sowinskiego 5, 44-100 Gliwice, Poland
autor
- Department of Analytical Chemistry, Faculty of Chemistry Silesian University of Technology Strzody 7M, 44-100 Gliwice, Poland
Bibliografia
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- [3] Baños C.E. & Silva M. (2009). In situ continuous derivatization/preconcentration of carbonyl compounds with 2,4-dinitrophenylhydrazine in aqueous samples by solid-phase extraction. Application to liquid chromatography determination of aldehydes. Talanta, 77, 1597-1602.
- [4] Baños C.E. & Silva M. (2009). Comparison of several sorbents for continuous in situ derivatization and preconcentration of low-molecular mass aldehydes prior to liquid chromatography-tandem mass spectrometric determination in water samples, Journal of Chromatography A, 1216, 6554-6559.
- [5] Compendium Method TO-11A Determination of Formaldehyde in Ambient Air Using Adsorbent Cartridge Followed by High Performance Liquid Chromatography (HPLC) [Active Sampling Methodology]. Center for Environmental Research Information Office of Research and Development U.S. Environmental Protection Agency Cincinnati. OH 45268, 1999.
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- [7] Czaplicka M. & Surowiec E. (2004). Degradation of selected polycyclic aromatic hydrocarbons in the aqueous environment under the influence of visible radiation. Fresenius Environmental Bulletin, 13, 6, 555-559.
- [8] Hideyuki Y., Ryuji N., Hitoshi N. & Masatoshi Y. (2000). 5-Amino-4-sulfanylphthalhydrazide as a chemiluminescence derivatization reagent foraromatic aldehydes in liquid chromatography. Journal of Chromatography A, 898, 1-11.
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- [12] Koivusalmi E., Haatainen E. & Root A. (1999). Quantitative RP-HPLC determination of some aldehydes and hydroxyaldehydes as their 2,4-dinitrophenylhydrazone derivatives, Analytical Chemistry, 71, 86-91.
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- [21] Sandner F, Dott W. & Hollender J. (2001). Sensitive indoor air monitoring of formaldehyde and other carbonyl compounds using the 2,4-dinitrophenylhydrazine method, International Journal of Hygiene and Environmental Health, 203, 275-279.
- [22] Saitoh T., Suzuki S. & Hiraide M. (2006) Polymer-mediated extraction of the fluorescent compounds derived by Hantzsch reaction with dimedone for the sensitive determination of aliphatic aldehydes in air Journal of Chromatography A, 1134, 38-43.
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- [25] Tsai, S.W. & Chang, CH.M. (2003). Analysis of aldehydes in water by solid-phase microextraction with on-fiber derivatization. Journal of Chromatography A, 1015, 143-150.
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Typ dokumentu
Bibliografia
Identyfikator YADDA
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