Preparation of neem oil microemulsion using biodiesel waste for larvae control

摘要: Mosquito problem is the major worldwide. So, there urgent requirement of some effective and safe product for resolve mosquito problem. Neem has very good repellent properties against mosquitoes. Previous research shows that are 46 types emulsion formulations present. But all solvent or co-solvent based which makes formulated costly not environment as well non- targets. In present study oil microemulsion process was optimized by using biodiesel waste no any toxic effect towards non-target. Developed high physical chemical stability. This stability achieved taking different concentrations non-ionic surfactants in formation. I-R results further confirm showing sharp band neem at 1642, 2928 did alter Microemulsion (ME) containing waste. Biodiesel alone concentration range 40-280 ppm gave 20-100% mortality rates Aedes aegypti larvae time period 24 & 48 h. The LC50 (Lethal dose) values were found to be56.985, 52.604, 38.575 210.766 mg/L alone.