Concentrate the chlorobenzene extract in the evaporation apparatus at a temperature of 45 °C to 60 °C to a small residual quantity. 嗯,原文中不是0.5mL,而是a small residual quantity。
Concentrate the chlorobenzene extract in the evaporation apparatus at a temperature of 45 °C to 60 °C to a small residual quantity. 嗯,原文中不是0.5mL,而是a small residual quantity。
w13976929414y(w13976929414y)发表:Concentrate the chlorobenzene extract in the evaporation apparatus at a temperature of 45 °C to 60 °C to a small residual quantity.