Determination of priority pesticides in water samples combining SPE and SPME coupled to GC–MS. A case study: Suquía River basin (Argentina)

Chemosphere ◽  
2013 ◽  
Vol 90 (6) ◽  
pp. 1860-1869 ◽  
Author(s):  
Rocío Inés Bonansea ◽  
María Valeria Amé ◽  
Daniel Alberto Wunderlin
Keyword(s):  
River Basin ◽  
Water Samples ◽  
Pesticides In Water ◽  
Suquía River

scholarly journals Iron in Well Water: Case Study in Dulalowo and Heledulaa Districts

2020 ◽  
Vol 2 (2) ◽  
pp. 46-52
Author(s):  
Hendri Iyabu ◽  
Anita Muhammad ◽  
Jafar La Kilo ◽  
Akram La Kilo
Keyword(s):  
Water Samples ◽  
Iron Concentration ◽  
Well Water ◽  
Iron Level ◽  
Water Determination ◽  
Drinking Water Standard ◽  
Water Wells ◽  
Fe Content

This study aims to determine the iron content of water wells in Dulalowo and Heledulaa, Gorontalo City. Ten well water samples were taken randomly from five different wells in each district. Water samples at each well consist of top, middle, and bottom water. Determination of iron level using Atomic Absorption Spectrophotometer (AAS) at a wavelength of 248.33 nm. The results showed that the iron concentration of well water in Dulalowo was 0.030 (D1), 0.265 (D2), 0.224 (D3), 0.158 (D4), 0.149 ppm (D5). Meanwhile, iron levels in Heledulaa were 0.100 (H1), 0.039 (H2), 0.159 (H3), 0.198 (H4), and 0.235 ppm (H5). These results prove that the Fe content in the well water in the two districts is still fulfil the drinking water standard which is a maximum of 0.3 mg/L iron.

Wide-Scope Determination of Pharmaceuticals and Pesticides in Water Samples: Qualitative and Confirmatory Screening Method Using LC-qTOF-MS

2018 ◽  
Vol 229 (12) ◽  
Author(s):  
Juliana Bazzan Arsand ◽  
Rodrigo Barcellos Hoff ◽  
Louíse Jank ◽  
Alexsandro Dallegrave ◽  
Carolina Galeazzi ◽  
...  
Keyword(s):  
Water Samples ◽  
Screening Method ◽  
Wide Scope ◽  
Pesticides In Water
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