An Extractive Spectrophotometric Method for the Determination of Propargite in Various Environmental and Biological Samples.
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2014, Vol 2, Issue 7
Abstract
An extractive, sensitive, selective cheaper spectrophotometric method has been developed for the detection and determination of propargite in various environmental and biological is based on bromination followed by blue Comlpex formation with starch in presence of potassium iodide. The dyes formed are measured at 590nm for propargite. Beer’s law is obeyed over concentration ranges from 0.5µg to 8µg. The molar absorptivity and Sandell’s sensitivity were found to be 3.13 x 1011 L mol-1cm-1 and 0.0003µg cm-2 respectively. The standard deviation and relative standard deviation are observed as ±0.007 and relative standard deviation is 1.994% respectively. Various important analytical parameters were evaluated. The method was applied successfully to the determination of propargite in grain, fruits and soil samples.
Authors and Affiliations
Vindhiya Patel, Manish Kumar Rai, Raisa Khatoon, Mamta Nirmal
Keywords
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