Determination of herbicides used in irrigated rice cultivation in the south of Santa Catarina using SPME-GC-ECD

Quimica nova

Suchara, Eliane A.¹  Sant'ana, Ernani S.¹  Costa, Léa L. F.¹  Benato, Vanira S.¹  Carasek, Eduardo¹ 

[1] Universidade Federal de Santa Catarina, Florianópolis, Brasil

关键词: herbicides;    river water;    SPME.;   

DOI  :  10.1590/S0100-40422008000100017

学科分类：化学（综合）

来源: Sociedade Brasileira de Quimica

【 摘 要 】

Evaluation of the pollution by the herbicidesalachlor, propanil and atrazine in water samples from four rivers in the citiesof Turvo and Meleiro, south of Santa Catarina State, was made using the SPME-GC-ECDmethod. The proposed method was optimized and validated. The correlation coefficientswere higher than 0.997 and linear ranges of the analytical curves were 0.1-4;0.1-2.5 and 0.1-5 µg L-1 for atrazine,alachlor and propanil, respectively. The herbicides were quantified by GC-ECDand identified by GC-MS. Both of the selected rivers presented contaminationby at least one of the studied herbicides.

【 授权许可】

CC BY