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Master's Dissertation
DOI
https://doi.org/10.11606/D.75.2007.tde-04062007-172635
Document
Author
Full name
Keila Angélica Peron
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Carlos, 2007
Supervisor
Committee
Vieira, Eny Maria (President)
Brondi, Silvia Helena Govoni
Padilha, Pedro de Magalhaes
Title in Portuguese
"Validação da metodologia analítica para a determinação do diclofenaco sódico em amostras de esgoto da estação de tratamento da cidade de Araraquara-SP"
Keywords in Portuguese
água
amostras de esgoto
diclofenaco sódico
Abstract in Portuguese
Os resíduos de fármacos presentes em matrizes ambientais têm sido foco em pesquisas no mundo todo. Este tema tem sido bastante discutido devido ao fato de que fármacos são freqüentemente encontrados em efluentes de estações de tratamento de esgotos (ETE´s), águas de abastecimento público e em outras matrizes ambientais, tais como solos, sedimentos e águas naturais em concentrações na faixa de µg L-1 e ng L-1. A grande preocupação da presença de resíduos de fármacos na água são os potenciais efeitos adversos para a saúde humana, animal e de organismos aquáticos. Neste trabalho estudou-se o diclofenaco sódico, por ser um dos antiinflamatórios mais prescritos pelos médicos. O método utilizado para a extração do diclofenaco sódico de amostras de efluentes domésticos da ETE de Araraquara-SP foi à extração em fase sólida, e subseqüentemente a determinação por cromatografia líquida de alta eficiência com detector UV. O método foi validado e a recuperação foi de 94-105%. Constatou-se a presença do diclofenaco sódico nas amostras do efluente doméstico da cidade de Araraquara-SP antes e após o tratamento e as concentrações foram 2,12 e 3,52 µg L-1 na coleta feita em março e 18,0 e 22,0µg L-1 na coleta feita em setembro.
Title in English
"Validation of an analytical methodology to the determination of sodium diclofenac in slurry samples from the water treatment station of Araraquara-SP"
Keywords in English
slurry samples
sodium diclofenac
water
Abstract in English
The pharmacos residues that are present in the environmental matrices has been a focus of research all over the world. This subject has been discussed because the fact that pharmacos are frequently found in effluents of sewage treatment plants (STPs), public water supply and in others environmental matrices, such as the soil, sediments and water springs in concentrations between µg L-1 and ng L-1. The biggest concern of pharmacos residues in the water are the adverse effects for the human health and the other species too. So, in this research the sodium diclofenac was studied for being the most prescribed anti-inflammatory by the doctors. The method used for the extraction of the sodium diclofenac of samples from the domestic effluent at STP-Araraquara (SP) was the extraction in solid phase, and subsequently the determination by liquid chromatography of high efficiency with UV detector. The method was validated and the recovery was of 94 to 105%. The results of the research have shown the presence of sodium diclofenac in the samples of Araraquara's domestic effluent before and after the treatment and the concentrations were 2,12 and 3,52 µg L-1 in the collection made in March and 18,0 and 22,0µg L-1 in the collection made in September.
 
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KeilaPeronR.pdf (4.36 Mbytes)
Publishing Date
2007-06-11
 
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