Effect of EDTA and Cu on Al2O3 Particle Charge
Electrophoretic Mobility
cm2/V·s ? 10-4
? Al2O3
? Al2O3 + 184ppm EDTA
? Al2O3 + 40ppm Cu
+ 184ppm EDTA
pH
+
+
pH ? 6
+
+
+
+
+
+
+
-
-
-
-
-
-
-
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