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.
RESULTS The RSDs of relative retention time were less than 1% and the RSDs of relative peak area which are inspected were less than 3% in the precision examination .
According to RSDS specification and focusing on performance of the minimum setup and hold time, the design of differential signal amplifier for RSDS receiver is analyzed in detail.