A.每25ml餾分的流出時(shí)間在11-15min B.每50ml餾分的流出時(shí)間在11-15min C.每25ml餾分的流出時(shí)間在20-25min D.每50ml餾分的流出時(shí)間在20-25min
A.0.05g B.0.0500g C.0.5mg D.0.500mg
A.濃度5%的氨基磺酸銨0.2ml B.濃度10%的氨基磺酸銨0.2ml C.濃度5%的氨基磺酸銨2.0ml D.濃度10%的氨基磺酸銨2.0ml