A.65ml B.60ml C.55ml D.50ml E.45ml
A.4~5天 B.1~2周 C.2~3周 D.5~6周 E.8周以上
A.pKa1.5~2.0 B.pKa2.0~2.5 C.pKa5.5~6.5 D.pKa7.5~10.5 E.pKa11.5~12.5