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40%硝磺草酮悬浮剂的研制
Preparation of Mesotrione 40% Suspension Concentrate

作  者: (任帅臻); (李新忠); (张振兵); (史雅丽); (何炼); (任天瑞);

机构地区: 上海师范大学生命与环境科学学院教育部资源化学重点实验室,上海200234

出  处: 《农药科学与管理》 2017年第8期19-24,共6页

摘  要: 本文通过对润湿分散剂、增稠剂和pH调节剂等助剂的筛选,最终确定了40%硝磺草酮悬浮剂的最佳配方:硝磺草酮原药40.0%、SD-813为2.0%、SD-208为3.0%、乙二醇4.0%、硅酸镁铝1.0%、黄原胶5.0%、柠檬酸2.0%、AFE-3168 0.2%、去离子水补足。实验结果表明:该配方制备的悬浮剂平均粒径<4μ,悬浮率95%以上,其它各项指标均达到悬浮剂的要求。 In this paper, mesotrione 40% suspension concentrate was prepared by optimizing the major formulants such as wetting and dispersing agents, thickening agents as well as pH controlling agents. The optimum formula was determined as follows: mesotrione 40. 0%, SD -813 2. 0%, SD- 208 3.0%, ethylene glycol 4. 0%, magnesium aluminum silicate 1.0%, xanthan gum 5.0%, citric acid 2. 0%, AFE -3168 0. 2% and water added to 100%. The resuhs showed that the average particle size of SC product with the optimum formula was less than 4 μm and the suspen- sion rate was over 95%. All the other parameters complied with the requirements for suspension concentrate formulation.

关 键 词: 硝磺草酮 悬浮剂 配方

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