單項選擇題EDTA滴定金屬離子,準確滴定(Et<0.1%)的條件是()
A.lgK(MY)≥6.0
B.lgK’(MY)≥6.0
C.lg[c計K(MY)]≥6.0
D.lg[c計K’(MY)]≥6.0
A.lgK(MY)≥6.0
B.lgK’(MY)≥6.0
C.lg[c計K(MY)]≥6.0
D.lg[c計K’(MY)]≥6.0