Release Kinetics of Sulfentrazone from Chitosan Clay Sulfentrazone Nanocomposite

被引：0
作者：
Mishra, Praveen Kumar [1 ]
Usmani, Ghayas Ahmad [1 ]
Goswami, Ajaygiri [1 ]
Mondal, Achintya [2 ]
机构：
[1] Department of Oil Technology, University Institute of Chemical Technology, Kavayitri Bahinabai Chaudhari North Maharashtra University, Maharashtra, Jalgaon
[2] Department of Chemistry, Indian Agricultural Research Institute, New Delhi
来源：
Micro and Nanosystems | 2024年 / 16卷 / 04期
关键词：
bentonite; Chitosan; HPLC technique; Huguchi model; nanocomposites; sulfentrazone;
D O I：
10.2174/0118764029301198240530101307
中图分类号：
学科分类号：
摘要：
Introduction: With a rational objective to reduce groundwater contamination from pesticides and thereby reducing ecotoxicological effect of pesticide, present research programme was carried out. Sulfentrazone is a well-known effective pesticide that is used for soybean crops. But at the same time, sulfentrazone is known for its high leaching potential through soil and could lead to ground water contamination. Methods: So we have synthesized a novel chitosan clay nanocomposites of sulfentrazone at three different concertations of sulfentrazone, 37.64%, 52.44% and 59.85% and its release pattern was studied at three different buffer systems like pH 2, pH 4 and pH 6. Release pattern of Sulfentrazone has been quantified by using High Performance Liquid Chromatography (HPLC) technique. Various mathematical tools have been applied to understand the release kinetics of chitosan clay sulfentra-zone nanocomposites. Results: Correlation coefficient (R2) of many models has been plotted and the Huguchi model was found to be the most suitable for these nanocomposites. The salient finding of this study is that the release rates of sulfentrazone at pH 4 is 68.39%, 42.62% and 37.75% after 8 hours at three different loading. This release pattern is higher than the release pattern at pH 6 and pH 2. Conclusion: Based on these release data, it is very clear that chitosan clay sulfentrazone nanocom-posite can control the release of sulfentrazone at regular soil pH conditions, which is pH 6. © 2024 Bentham Science Publishers.
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页码：193 / 203
页数：10
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