Effect of Alcohol Structure on the Optimum Condition for Novozym 435-Catalyzed Synthesis of Adipate Esters

Table 3

The analysis of variance (ANOVA).

Source	Sum of squares	Degree of freedom	Mean square	𝐹-value	𝑃value
Di-n-butyl adipate
Model	2955.75	6	492.63	75.85	<0.0001
Lack of fit	61.65	10	6.17	0.84	0.6260
𝑅^2 = 0.9702
Di-iso-butyl adipate
Model	5498.71	9	610.97	209.94	<0.0001
Lack of fit	29.12	7	4.16	5.75	0.0551
𝑅^2 = 0.9942
Di-sec-butyl adipate
Model	5335.66	7	762.24	37.52	<0.0001
Lack of fit	244.27	9	27.14	5.47	0.0585
𝑅^2 = 0.9528
Di-tert-butyl adipate
Model	764.28	9	84.92	48.26	<0.0001
Lack of fit	12.43	7	1.78	1.03	0.5221
𝑅^2 = 0.9753