7Lehotay S, Aharonson N, Pfeil E, et al. Development of a sample preparation technique for supercritical fluid extraction for multiresidue analysis of pesticides in produce[J]. AOAC Int, 1995,78(3):831-840.
8Cuets C, Dale WE. Colorimetric determination of pyrethrins, allethrin and furethrin[J]. Anal Chem, 1953,25(8):1367-1369.
9Williams WE, Dale WE, Sweeney JP. A new colorimetric method for pyrethrins[J]. J Ass Office Anal Chem,1956,39(3):872-879.
10Ovliver BH. Color-specific reagent for indentification and semiquantitation of pyrethrin and piperonyl butoxide by thin layer chromatography[J]. J Ass Office Anal Chem, 1973,56(4):915-918.