Table 5.

Statistical analysis of models describing kinetics of air microwave drying of celery stems (50 W).

Model	Temperature
	40 °C			60 °C			80 °C
	RMSE	χ2	R2	RMSE	χ2	R2	RMSE	χ2	R2
Newton	0.0114	0.0001	0.9983	0.0160	0.0001	0.9970	0.0445	0.0008	0.9794
Page	0.0088	0.0001	0.9990	0.0084	0.0001	0.9992	0.0100	0.0001	0.9990
Henderson and Pabis	0.0110	0.0001	0.9984	0.0145	0.0001	0.9975	0.0341	0.0005	0.9879
Logarithmic	0.0042	0.0001	0.9998	0.0043	0.0001	0.9998	0.0172	0.0001	0.9969
Wang i Singh	0.0366	0.0009	0.9823	0.0311	0.0003	0.9886	0.0156	0.0001	0.9975
Logistic	0.0074	0.0001	0.9993	0.0070	0.0001	0.9994	0.0113	0.0001	0.9987