Determination of 26% Phoxim and Lambda-cyhalothrin EC by HPLC

Abstrcat The determination method of 26% phoxim and cyhalothrin EC was builded. This method had good accuracy and precisium. The coefficients of variation was: phoxim 0.09%, lambda-cyhalothrin 0.97%. The recoveries was: phoxim 99.2%～101.2%, lambda-cyhalothrin 99.2%～100.2%.