Table 2. Loss of Weight in the Decomposition of Schiff Base.

samples		temperature (°C)	loss of weight (%)
MNPs-SiO2-SB-THCA	heterogeneous method	138–295	8.9
	homogeneous method	200–384	12.8
MNPs-SiO2-SB-THCTA	heterogeneous method	170–387	10.8
	homogeneous method	144–387	12.57