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7457543 
Journal Article 
A novel spectrophotometric method for the determination of carbosulfan with 4-methylaniline 
Krishna Murthy, P; Niranjan, T; Venkatasubba Naidu, N 
2011 
1 
Journal of Chemical and Pharmaceutical Research
ISSN: 0975-7384 
3 
6 
28-32 
English 
This study presents Carbosulfan determination by a novel, robustic, mobile, inexpensive, and sensitive spectrophotometric method is developed for the determination of the carbamate pesticide carbosulfan in water and grains. An extractive method, which is based on alkaline hydrolysis of carbosulfan into phenol followed by coupling with diazotized 4- methyl aniline in alkaline medium. Yellowed coloured species (λ max 475 nm) can be extractable in to chloroform, which make reaction more sensitive with same λ max. Beer's law is obeyed over concentration range of 0.5-10μg/ml. Molar absorptivity and Sandell's sensitivity were found to be 2.292 x 104 l mol-1cm-1 and 0.0166 μg cm-2 respectively. Method has been satisfactory applied for carbosulfan in various environmental samples. 
4-methyl aniline; Carbosulfan; Spectrophotometer; Alkaline hydrolysis; Carbamate pesticides; Carbosulfan; Concentration ranges; Environmental sample; Molar absorptivity; Sandell's sensitivity; Spectro-photometric method; Aniline; Spectrophotometers; Spectrophotometry; 4 methylaniline; carbosulfan; chloroform; methanol; tap water; water; article; extraction; grain; hydrolysis; rice; spectrophotometry; wheat 
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