نتایج جستجو برای: dimethoate

تعداد نتایج: 376  

2017
Godfred Darko Jonah Addai Tabi Michael Kodwo Adjaloo Lawrence Sheringham Borquaye

Concentrations of pesticides residues in honey sampled from the major honey producing forest belts in Ghana were determined. Samples were purposively collected and extracted using the QuEChERS (Quick, Easy, Cheap, Effective, Rugged, and Safe) method and analysed for synthetic pyrethroids, organochlorine, and organophosphate pesticide residues. Aldrin, γ-HCH, β-HCH, ∑endosulfan, cyfluthrin, cype...

2011
Chai Mee Kin TanGuan Huat

A gas chromatography multi-pesticide with an internal standard method has been developed to analyze simultaneously separate nine active ingredients (acephate, carbaryl, chlorpyrifos, chlorothalonil, diazinon, dimethoate, malathion, profenofos, quinalphos) in different commercial pesticide formulations. A mixture of pure standard solution spiked with 1-chloro-4fluorobenzene as the internal stand...

2017
Sujatha Singh Nelapati Krishnaiah Thirtham Madhava Rao Gopala Reddy

In the present scenario, usage of pesticides are inevitable to meet the demands of growing population and to secure the food grain production, there is need for regular screening of milk and milk products for pesticide residues which is being felt in the trade and also at the consumers level. The present work was undertaken to study the effect of heat processing on degradation of various Organo...

2013
Rakesh Kumar Pandey Ram Nayan Singh Vijai Krishna Das

Temperature has significant influence on physio-chemical responses of all living organisms including fish. The present study was conducted to evaluate the effect of temperature on dimethoate toxicity (96 h static bioassay) to freshwater catfish Heteropneustes fossilis. Fish mortality data were recorded at 24, 48, 72 and 96 h and analysed using EPA Probit analysis, Version 1.5, software based on...

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