Table 2.

Thermogravimetric analysis results.

Sample	Character	Phosphogypsum		Sample 3
		Temperature, K	Value, µW/mg	Temperature, K	Value, µW/mg
Peak 1	Endo	424	0.84	421	0.74
Peak 2	Endo	440	0.69	429	0.67
Peak 3	Exo	-	-	773	1.59