A.PVP-K10(平均相對(duì)分子質(zhì)量Mav25000)>PVP-K30(Mav60000)>PVP-K90(Mav360000)
B.PVP-K10(平均相對(duì)分子質(zhì)量Mav25000)>PVP-K30(Mav60000)>PVP-K90(Mav360000
C.PVP-K15(平均相對(duì)分子質(zhì)量Mav20000)>PVP-K30(Mav60000)>PVP-K90(Mav360000)
D.PVP-K15(平均相對(duì)分子質(zhì)量Mav25000)>PVP-K30(Mav60000)>PVP-K90(Mav360000)