三者的方法回收率近100％，日内和日间精密度均小于6％，内源性物质和常用药物均不干扰测定。
The average recovery of three drugs is nearly 100% and the RSD for the inter - and intra - day were less than 6% . Endogenous matrix and commonly used drugs did not interfere with the analysis.
苦参碱和氧化苦参碱高、中、低3种浓度的平均回收率分别为106 96 %和105 04 % ，日内、日间精密度分别小于13 %和7 %。
The average recoveries of matrine and oxymatrine were 106.96% and 105.04%, respectively. RSDs of within-day and between-day were lower than 13% and 7% respectively.
精密度考察硝苯地平日内、日间相对偏差均小于5％。
The RSD of intra- day and inter- day assays were less than 5 %.
精密度考察硝苯地平日内、日间相对偏差均小于5％。
The RSD of intra- day and inter- day assays were less than 5 %.
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