A.0.02ug/L B.0.02mg/ml C.0.02mg/L
A.每25ml餾分的流出時間在11-15min B.每50ml餾分的流出時間在11-15min C.每25ml餾分的流出時間在20-25min D.每50ml餾分的流出時間在20-25min
A.0.05g B.0.0500g C.0.5mg D.0.500mg