Additionally, the important values of pesticides with double benzene rings were detected in the following decreasing order: 4.4'-DDE > 4.4'-DDD > o.p'-DDE > Chlorfenapyr > 2.4'-DDD.
📌 3 Key Takeaways
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Objective & Hypothesis:In this work organochlorine pesticides were first extracted from water using a solvent mixture (hexane:dichloromethane) and the quantities were then determined using a GC-MS fitted with an Electron Ionization (EI) and Selective Ion Monitoring (SIM) method.
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Key Findings & Data:At the same time changes in the recovery ratios of spike levels were seen ranging from 73.6% to 96.1% (Chlorfenapyr).
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Conclusion & Impact:Additionally, the important values of pesticides with double benzene rings were detected in the following decreasing order: 4.4'-DDE > 4.4'-DDD > o.p'-DDE > Chlorfenapyr > 2.4'-DDD.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:analysis · Residue · analysis
Abstract
In this work organochlorine pesticides were first extracted from water using a solvent mixture (hexane:dichloromethane) and the quantities were then determined using a GC-MS fitted with an Electron Ionization (EI) and Selective Ion Monitoring (SIM) method. At the same time changes in the recovery ratios of spike levels were seen ranging from 73.6% to 96.1% (Chlorfenapyr). The recovery values that we found to be the lowest and greatest were 0.100 µg L-1 and 1.600 µg L-1 respectively. We also noticed that the Bromophos-ethyl, Bromophos-methyl and Chlorfenapyr pesticides had the lowest recovery efficiency. Additionally, the important values of pesticides with double benzene rings were detected in the following decreasing order: 4.4'-DDE > 4.4'-DDD > o.p'-DDE > Chlorfenapyr > 2.4'-DDD.
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