Determinação de agrotóxicos na água e sedimentos por HPLC-HRMS e sua relação com o uso e ocupação do solo
In present times, the Brazil is in the middle of the largest pesticide consumers worldwide, which demands proper control of environmental contamination. This study evaluated herbicides, acaricide, insecticides and fungicides in water and sediment carried-out from Lageado Tacongava hydrographic basin...
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doaj-4f3ffe04859d447ba66fdeb20f1eb7ac2020-11-24T22:36:37ZengSociedade Brasileira de QuímicaQuímica Nova1678-706440215816510.21577/0100-4042.20160180S0100-40422017000200158Determinação de agrotóxicos na água e sedimentos por HPLC-HRMS e sua relação com o uso e ocupação do soloMarilda ChiarelloRoberta Neimaier GraeffLuciane MinettoGisele CeminVania E. SchneiderSidnei MouraIn present times, the Brazil is in the middle of the largest pesticide consumers worldwide, which demands proper control of environmental contamination. This study evaluated herbicides, acaricide, insecticides and fungicides in water and sediment carried-out from Lageado Tacongava hydrographic basin, Rio Grande do Sul, Brazil. For analysis, a QuEChERS (Quick, Easy, Cheap, Effective, Rugged and Safe), and/or SPE (Solid-Phase Extraction) using HPLC (High Performance Liquid Chromatography) with MS (Mass Detector) was optimized. As result, the Linearity R2 > 0.99; Recuperation between 78 a 117%; and RSD < 20% for the 70 compounds simultaneously analyzed. The Acetamiprid, Azoxystrobin, Bendiocarb, Fenamidone, metribuzin, Pendimethalin, pyridaben, Thiophanate-methyl and Truflumizole found in water, and Acetamiprid, Azoxystrobin, Bendiocarb, boscalid and thiophanate-methyl in sediment, at concentrations from 0.1 µg kg-1 to 39.6 µg kg-1. Standard of pesticide residues in water and sediment studies are needed to evaluate such contamination. Regional samplings standard, as was done here, will be useful in a future water resources contamination mapping.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422017000200158&lng=en&tlng=enpesticidesQuEChERSHPLC-HRMSsedimentwater resources |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Marilda Chiarello Roberta Neimaier Graeff Luciane Minetto Gisele Cemin Vania E. Schneider Sidnei Moura |
spellingShingle |
Marilda Chiarello Roberta Neimaier Graeff Luciane Minetto Gisele Cemin Vania E. Schneider Sidnei Moura Determinação de agrotóxicos na água e sedimentos por HPLC-HRMS e sua relação com o uso e ocupação do solo Química Nova pesticides QuEChERS HPLC-HRMS sediment water resources |
author_facet |
Marilda Chiarello Roberta Neimaier Graeff Luciane Minetto Gisele Cemin Vania E. Schneider Sidnei Moura |
author_sort |
Marilda Chiarello |
title |
Determinação de agrotóxicos na água e sedimentos por HPLC-HRMS e sua relação com o uso e ocupação do solo |
title_short |
Determinação de agrotóxicos na água e sedimentos por HPLC-HRMS e sua relação com o uso e ocupação do solo |
title_full |
Determinação de agrotóxicos na água e sedimentos por HPLC-HRMS e sua relação com o uso e ocupação do solo |
title_fullStr |
Determinação de agrotóxicos na água e sedimentos por HPLC-HRMS e sua relação com o uso e ocupação do solo |
title_full_unstemmed |
Determinação de agrotóxicos na água e sedimentos por HPLC-HRMS e sua relação com o uso e ocupação do solo |
title_sort |
determinação de agrotóxicos na água e sedimentos por hplc-hrms e sua relação com o uso e ocupação do solo |
publisher |
Sociedade Brasileira de Química |
series |
Química Nova |
issn |
1678-7064 |
description |
In present times, the Brazil is in the middle of the largest pesticide consumers worldwide, which demands proper control of environmental contamination. This study evaluated herbicides, acaricide, insecticides and fungicides in water and sediment carried-out from Lageado Tacongava hydrographic basin, Rio Grande do Sul, Brazil. For analysis, a QuEChERS (Quick, Easy, Cheap, Effective, Rugged and Safe), and/or SPE (Solid-Phase Extraction) using HPLC (High Performance Liquid Chromatography) with MS (Mass Detector) was optimized. As result, the Linearity R2 > 0.99; Recuperation between 78 a 117%; and RSD < 20% for the 70 compounds simultaneously analyzed. The Acetamiprid, Azoxystrobin, Bendiocarb, Fenamidone, metribuzin, Pendimethalin, pyridaben, Thiophanate-methyl and Truflumizole found in water, and Acetamiprid, Azoxystrobin, Bendiocarb, boscalid and thiophanate-methyl in sediment, at concentrations from 0.1 µg kg-1 to 39.6 µg kg-1. Standard of pesticide residues in water and sediment studies are needed to evaluate such contamination. Regional samplings standard, as was done here, will be useful in a future water resources contamination mapping. |
topic |
pesticides QuEChERS HPLC-HRMS sediment water resources |
url |
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422017000200158&lng=en&tlng=en |
work_keys_str_mv |
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