A.0.4ng~2.0ng;0.8ng~4.0ngB.0.8ng~4.0ng;0.4ng~2.0ngC.0.8ng~4.0ng;0.4ng~4.0ngD.0.4ng~4.0ng;0.8ng~2.0ng
A.甲醇B.正己烷C.二氯甲烷D.甲苯
A.壬烷B.癸烷C.二氯甲烷D.甲苯