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首页> 外文期刊>Journal of Agricultural and Food Chemistry >Calculation of the Peak Concentration of 2-Chlorobenzamide Generated in the Hydrolysis of the Benzoylphenylurea Insecticide 1-(2-Chlorobenzoyl)-3-(4-chlorophenyl)urea.
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Calculation of the Peak Concentration of 2-Chlorobenzamide Generated in the Hydrolysis of the Benzoylphenylurea Insecticide 1-(2-Chlorobenzoyl)-3-(4-chlorophenyl)urea.

机译：苯甲酰基苯基脲杀虫剂1-（2-氯苯甲酰基）-3-（4-氯苯基）脲水解过程中产生的2-氯代苯甲酰胺峰值浓度的计算。

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摘要

1-(2-Chlorobenzoyl)-3-(4-chlorophenyl)urea (CCU), a new analogue of diflubenuron and PH-6038, has been widely used in agriculture and forestry as a molt-inhibiting hormone insecticide which was developed in China. 2-Chlorobenzamide, a main degradation product of CCU in the environment, has been identified as a potential carcinogen, so the content of 2-chlorobenzamide from the breakup of CCU will directly affect the environmental safety of CCU. In this paper we describe a simple, rapid, and convenient prediction model for predicting the level and time of occurrence of the peak concentration of 2-chlorobenzamide in the hydrolysis of CCU verified by experimental data. The time for reaching the peak concentration of 2-chlorobenzamide (t(m)) at 25 degrees C and pH 6 is 13.5 d, and the maximum concentration of 2-chlorobenzamide (y(m)) is 3.2% of the initial concentration of CCU according to the results from the prediction model. These results are similar to the real values from the experiments, which are 22 d and 1.6% of the initial concentration of CCU, respectively. The difference between the values of the prediction and experiment is discussed, and it is demonstrated that the predicting model is highly credible.
机译：1-（2-氯苯甲酰基）-3-（4-氯苯基）脲（CCU）是地氟磺隆和PH-6038的新类似物，已在中国开发，已作为一种抑制蜕皮的激素杀虫剂广泛用于农业和林业。 2-氯苯甲酰胺是环境中CCU的主要降解产物，已被确定为潜在的致癌物，因此CCU分解产生的2-氯苯甲酰胺含量将直接影响CCU的环境安全性。在本文中，我们描述了一种简单，快速，方便的预测模型，用于预测由实验数据验证的CCU水解中2-氯苯甲酰胺峰值浓度的发生水平和时间。在25摄氏度和pH值为6时达到2-氯苯甲酰胺峰值浓度（t（m））的时间为13.5 d，2-氯苯甲酰胺的最大浓度（y（m））为初始浓度的3.2％。 CCU根据预测模型的结果。这些结果与实验的实际值相似，分别为CCU初始浓度的22 d和1.6％。讨论了预测值和实验值之间的差异，并证明了该预测模型是高度可信的。

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