Table 3.

Statistical analysis of models describing kinetics of vacuum drying of celery stems.

Model	Temperature
	40 °C			60 °C			80 °C
	RMSE	χ2	R2	RMSE	χ2	R2	RMSE	χ2	R2
Newton	0.0607	0.0015	0.9638	0.0246	0.0002	0.9930	0.0216	0.0001	0.9947
Page	0.0203	0.0002	0.9960	0.0181	0.0001	0.9962	0.0126	0.0001	0.9982
Henderson and Pabis	0.0527	0.0011	0.9727	0.024	0.0002	0.9933	0.0204	0.0001	0.9953
Logarithmic	0.0341	0.0005	0.9886	0.0154	0.0001	0.9972	0.0157	0.0001	0.9972
Wang i Singh	0.0200	0.0002	0.9961	0.0300	0.0003	0.9896	0.0355	0.0004	0.9857
Logistic	0.0124	0.0001	0.9985	0.0144	0.0001	0.9976	0.0099	0.0001	0.9989