摘要
用重结晶方法制备三种除虫菊酯农药标准物质:溴氰菊酯、氯氰菊酯、氰戊菊酯,并采用二种准确可靠的分析方法:气相色谱法和液相色谱法,对它们的均匀性、稳定性和定值方法进行了研究。
Three kinds of certified reference materials of pyrethroid (deltamethrin Cypermethrin fen-valcrate )have been prepared by recrystallization,and their homogeneity, stabilities and purities studied by GC and HPLC.
出处
《现代仪器》
2000年第3期34-35,共2页
Modern Instruments
