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Author(s): Ajay kumar Sahu, Shraddha Ganesh Pandey, Vindhya Patel, Raisa Khatoon, Mamta Nirmal, Kalpana Wani, Deepak Kumar Sahu, Jyoti Goswami, Chhaya Bhatt, Geetanjali Deshlahare, Harshita Sharma, Manish Kumar Raia* and Joyce Rai

Email(s): ajaykumar.as50@gmail.com

Address: School of Studies in chemistry Pt. Ravishankar Shukla University Raipur(Chhattisgarh), 492010, India
Chhattisgarh Council of Science and Technology, Vigyan Bhawan Vidhan Sabha Road Daldal Seoni, Raipur (Chhattisgarh) 492014, India
*Corresponding Author: mkjkchem@gmail.com

Published In:   Volume - 31,      Issue - 1,     Year - 2018

ABSTRACT:
A new spectrophotometric method has been developed for determination of fungicide myclobutanil is based on the bromination of myclobutanil to form dibromo myclobutanil which react with Potassium iodide-Potassium iodate mixture in the presence of leucocrystal voilet (LCV) to form a violet colored complex. The complex shows maximum absorbance at 590 nm. Beer’s law obeyed over the concentration range of 0.5-4.0 µg in final solution volume of 10 mL. The reproducibility assessed by carrying out seven days replicate analysis of a solution containing 10 µg of myclobutanil in a final solution of 10 mL. The molar absorptivity of the coloured system is 1.29×105 L mol-1cm-1 and Sandell’s sensitivity is 1.03×10-3 µg cm-2. The standard deviation and relative standard deviation for the absorbance value were found to be ±0.00652 and 1.14% respectively. The proposed method is free from the interference of other toxicants. The analytical parameters were optimized and the method was applied to the determination of myclobutanil in water, soil and food samples.

Cite this article:
Sahu et al. (2018). A Spectrophotometric Determination of Myclobutanil and it’s Applications. Journal of Ravishankar University (Part-B, Science). 31 (1), pp. 27-31.


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