The results showed that the content of total flavonoids increased from 86% to 96.5% after recrystallizing by water for several times, and the impurity could be removed effectively.
The maximum content of single impurity was below 0.5% and the total content of impurities was no more than 0.6%.
氯氮平原料中单一最大杂质含量均在0.5%以下，且杂质的总量不超过0.6%。
3
Simulation results show that the total amount of impurity in the buffer layer or transparent an - ode is the key to determine the on-state voltage drop of GCT device.