Figure 7
From: Starch vs. tannin as biodegradable reagents for ultrafine hematite depression

Zeta potential of (a) hematite and (b) quartz before and after collector addition with different depressant conditionings.
From: Starch vs. tannin as biodegradable reagents for ultrafine hematite depression

Zeta potential of (a) hematite and (b) quartz before and after collector addition with different depressant conditionings.