2.The recoveries of the tropane alkaloids were 97.8%-102%.
样的加标回收率为97.8%~102%。
3.The standard deviations were 0.06 and 0.14 for Phoxim and Quintozene repectively,while the coefficients of variation were 1.14% and 1.34%.The average recoveries were 99.5 and 99.2% separately.