A.0.50mg/m3 B.0.008mg/m3 C.0.03mg/m3 D.0.83mg/m3 E.0.30mg/m3
A.KCN—NH3 B.氯仿 C.NaOH—NH3 D.NaOH—EDTA-2Na E.四氯化碳
A.KCN B.氟化物 C.EDTA—2Na D.酒石酸鹽 E.檸檬酸鹽