Graphene-modified TiO2 nanotube arrays as an adsorbent in micro-solid phase extraction for determination of carbamate pesticides in water samples

2015 ◽  
Vol 869 ◽  
pp. 43-49 ◽  
Author(s):  
Qingxiang Zhou ◽  
Zhi Fang
Keyword(s):  
Solid Phase Extraction ◽  
Water Samples ◽  
Solid Phase ◽  
Tio2 Nanotube Arrays ◽  
Tio2 Nanotube ◽  
Nanotube Arrays ◽  
Phase Extraction ◽  
Carbamate Pesticides ◽  
Pesticides In Water

Investigation of Conditions for the Determination of Pesticides in Water Using Solid Phase Extraction

1992 ◽  
Vol 57 (11) ◽  
pp. 2295-2301 ◽  
Author(s):  
Věra Tatarkovičová ◽  
Radek Machač
Keyword(s):  
Solid Phase Extraction ◽  
Water Samples ◽  
Mobile Phase ◽  
Solid Phase ◽  
Phase Extraction ◽  
Water Mixture ◽  
Triazine Herbicides ◽  
Pesticides In Water ◽  
Additional Concentration

The conditions for the preconcentration of carbamate, phenylurea and triazine pesticides from water samples were investigated, and optimized methods were developed for the determination of the pesticide groups. Bakerbond spe C18 cartridges were used for the preconcentration. The preconcentrated carbamate and phenylurea pesticides were eluted from the cartridges with acetone, whereas the triazine herbicides were eluted with chloroform. After additional concentration by evaporation, the eluates were analyzed by RC-HPLC on an AQUAPORE RP-300 column using a methanol-water mixture as the mobile phase.

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