Fig. 4
From: Pharmaceutical stability of colloidal saccharated iron oxide injection in normal saline
Colloid particle diameters after dilution at different pH levels. b An enlarged view of (a) black circles, pH 4.0; white circles, pH 6.0; black triangles, pH 8.0; and white triangles, pH 10.0. **P < 0.01 vs. pH 6.0–10.0 (ANOVA with Tukey’s test)