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KMID : 0903519880310020193
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Journal of the Korean Society of Agricultural Chemistry and Biotechnology
1988 Volume.31 No. 2 p.193 ~ p.199
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The Stability of Cyhexatin Emulsifiable Concentrate Formulated by Using Phenol as a Cosolvent
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김정호/Kim, Jung Ho
홍종욱/김장억/김윤정/Hong, Jong Uck/Kim, Jang Eok/Kim, Yoon Jeong
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Abstract
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This study was conducted to investigate the possibility of emulsifiable concentrate(EC) development and the stability and acaricidal activity of the formulated emulsifiable concentrate. Cyhexatin could be formulated into 9% EC by using phenol as a cosolvent and E-ASC as an emulsifier. Cyhexatin EC was, stable in 0.5% moisture content, pH 4.5 and 7, but it was unstable in more than 1% moisture content and the alkaline condition of pH 9.5. The emulsion cyhexatin EC was unstable in hard water of pH 10. The acaricidal activity of 500 fold of 9% EC was shown to be as good as that of 27% wp of 1500 fold.
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