Table 7. ANOVA table for crystal size, quadratic model.

Sorce	Sum of Squares	df	Mean square	F Value	P-value Prop>F
Model	4883.74	9	542.64	93.55	< 0.0001	Significant
A-Temp	1524.56	1	1524.56	262.83	< 0.0001
B-Time	114.93	1	114.93	19.81	0.0043
C-pH	3113.93	1	3113.93	536.83	< 0.0001
AB	2.07	1	2.07	0.3574	0.5718
AC	72.16	1	72.16	12.44	0.0124
BC	0.1030	1	0.1030	0.0178	0.8984
A2	17.62	1	17.62	3.04	0.1320
B2	19.33	1	19.33	3.33	0.1177
C2	886.08	1	886.08	152.76	< 0.0001
Residual	34.80	6	5.80
Lack of Fit	32.57	4	8.14	7.29	0.1242	Not significant
Pure Error	2.23	2	1.12
Corrected Total	4918.55	15

R² = 0.9702, Predicted R² = 0.9246, R²adj = 0.9454, adequate precision = 32.69