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Table 2 The average size of aggregates in the Cr2O3 suspension formed in the absence and presence of ionic polyamino acids (at 15 h)

From: Application of the zeta potential measurements to explanation of colloidal Cr2O3 stability mechanism in the presence of the ionic polyamino acids

System d (μm)
pH 4.0 7.6 10
Cr2O3–NaCl 0.059 0.051 0.576
Cr2O3–ASP 6,800 0.121 0.091 0.084
Cr2O3–ASP 27,000 0.072 0.085 0.074
Cr2O3–LYS 4,900 0.100 0.105 0.585
Cr2O3–LYS 33,000 0.106 0.125 0.135