Evaluation of the presence of major anionic surfactants in marine sediments |
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| Authors: | Cantarero S Camino-Sánchez F J Zafra-Gómez A Ballesteros O Navalón A Vílchez J L Verge C Reis M S Saraiva P M |
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| Institution: | Department of Analytical Chemistry, Faculty of Sciences, University of Granada, Campus of Fuentenueva, Granada, Spain. |
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| Abstract: | The contamination of aquatic environments has become the focus of increasing regulation and public concern due to their potential and unknown negative effects on the ecosystems. The present work develops a monitoring and statistical study, based on the analysis of variance test (ANOVA) and the multivariable analysis, both for insoluble soap and LAS in order to compare the behavior of different anionic surfactants in this environmental compartment. First, a novel and successfully validated methodology to analyze insoluble soap in these samples is developed. The matrix effect and the comparison of different extraction techniques were also performed. The optimized analytical methodologies were applied to 48 representative samples collected from the Almeria Coast (Spain) and then a statistical analysis to correlate anionic surfactant concentration and several variables associated with marine sediment samples was also developed. The results obtained showed relevant conclusions related to the environmental behavior of anionic surfactants in marine sediments. |
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