论文部分内容阅读
前言:可湿粉是常见的剂型之一,它产量大,应用范围广;可湿粉在国内生产历史悠久,登记数量多,不属于限制登记剂型。乳油、可湿粉、悬浮剂成为农药主要三大剂型,产量逐年上升中,随着新型助剂和设备的改进,可湿粉质量也在提升中。1.可湿粉概念可湿粉简称WP,是指含有原药、填料、润湿剂、分散剂、稳定剂、增效剂、警戒色等,并且粉碎到一定目数的农药制剂。此制剂在用水稀释成田间使用浓度时,能形成一种稳定的、可供喷雾的悬浮液。
Preface: Wettable powder is one of the most commonly used dosage forms. It has a large output and a wide range of applications. Wettable powder has a long history of production in China with a large number of registrations and does not belong to the restricted registration dosage form. Emulsifiable concentrate, wettable powder, and suspending agent have become the main three major types of pesticides. The output has increased year by year. With the improvement of new auxiliaries and equipment, the quality of wettable powder is also improving. 1. Wettable powder concept Wettable powder referred to as WP, refers to containing the original drug, filler, wetting agent, dispersant, stabilizer, synergist, warning color, and smash a certain number of pesticides. The formulation, when diluted to the concentration used in the field, forms a stable, sprayable suspension.