Table 2.

Regression analysis and ANOVA of the NiTPP response surface models.

Models	R2	Adjusted R2	F-Value	p-Value Prob > F
Response Y1 (NiTPP loading content, %)
Linear	0.5590	0.4572	215.08	<0.0001
2FI	0.6943	0.5109	223.43	<0.0001
Quadratic	0.9049	0.7827	138.07	0.0002
Response Y2 (particle size, nm)
Linear	0.2887	0.1246	19.04	0.0061
2FI	0.5068	0.2110	19.60	0.0062
Quadratic	0.8258	0.6019	12.98	0.0158