Study on the Prescription of 40.6% Avermectin·Propargite in Microemulsion

Prescription of 40.6% Avermectin·Propargite microemulsion is introduced,and quality index is described. By the screen of assistant solvent,emulsion agent and stable agent,anti-freeze agent,water,emulsion stability,active ingredient partitioning have been worked out effectively,the suitable prescription to prevent crystallization of active principles is chosen.