Zobrazeno 1 - 4
of 4
pro vyhledávání: '"Maria Eliana L. R. de Queiroz"'
Autor:
Thaís Lindenberg R. Silva, Maria Eliana L. R. de Queiroz, Antônio A. Neves, Patrícia Aparecida F. Vieira, André F. de Oliveira, Maria Goreti de A. Oliveira
Publikováno v:
Química Nova, Vol 44, Iss 7, Pp 804-808 (2021)
The liquid-liquid extraction with low-temperature partitioning technique (LLE/LTP) was miniaturized to determine the pesticides chlorpyrifos, bifenthrin, λ-cyhalothrin, and deltamethrin in a biological matrix, by gas chromatography. The method was p
Externí odkaz:
https://doaj.org/article/cc5c92201ce641b4b66d68f64e1c9298
Publikováno v:
Química Nova, Vol 34, Iss 2, Pp 272-278 (2011)
A method for simultaneous analysis of trihalomethanes and organochloride and pyrethroid pesticides in water utilizing SPME-HS and GC-ECD was developed. In the optimized method 25 mL of water containing 2% (w/v) Na2HPO4 were heated to 60 °C for 50 mi
Externí odkaz:
https://doaj.org/article/2a00f7755ed942788493d411c3b12c21
Autor:
Rogério P. Rodrigues, Waldiclécio R. Farias, Simone M. Goulart, Adilson C. Goulart, João Paulo V. Santos, Maria Eliana L. R. de Queiroz
Publikováno v:
Química Nova, Vol 41, Iss 2, Pp 213-218
According to results of the Program of Analysis of Pesticide Residues in Foods of the National Agency of Sanitary in Brazil (2013 to 2015) the zucchini, Cucurbita pepo L is one of the non-hardy vegetables, that presented higher contamination index by
Externí odkaz:
https://doaj.org/article/def1f9f43bb24c71b4d1fa033736d285
Autor:
Thaís L. R. Silva, Maria Eliana L. R. de Queiroz, André Fernando de Oliveira, Alessandra A. Z. Rodrigues, Antônio Augusto Neves, Patrícia A. F. Vieira, José Humberto de Queiroz, Verônica O. de P. Barbosa
Publikováno v:
Journal of environmental science and health. Part. B, Pesticides, food contaminants, and agricultural wastes. 57(3)
Urine is one of the biological matrices most used for detecting human contamination, as it is representative and easily obtained via noninvasive sampling. This study proposes a fast, accurate, and ecological method based on liquid-liquid microextract
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8ca711bb330220976ddb67fc8ef191eb
https://pubmed.ncbi.nlm.nih.gov/35175180
https://pubmed.ncbi.nlm.nih.gov/35175180