A.0.3~1mmol/L B.0.5~1mmol/L C.0.3~2mmol/L D.0.5~2mmol/L E.以上都可以
A.0.1~0.5μg B.0.7~1.4μg C.0.6~1.2μg D.0.5~1.0μg E.0.8~1.6μg
A.2%(NaCl) B.10% C.5% D.0.9% E.1.5%