Thermal properties of polysaccharides before and after UO₂²⁺ adsorption^a.

Step	G			U–G
	Onset temp. (°C)	DTG (°C)	Wt loss (%)	Onset temp. (°C)	DTG (°C)	Wt loss (%)
Step 1	—	73.55	6.02	—	79.01	3.85
Step 2	149.61	314.90	80.66	166.75	268.91	37.93
Step 3	—	—	—	318.06	334.20	20.43
					404.85
Residue			13.31			37.75
	X			U–X
Step 1	—	114.64	4.36	—	68.85	6.23
Step 2	176.84	275.17	65.68	154.65	273.19	33.55
Step 3	—	—	—	350.34	348.39	11.07
Step 4	—	—	—	600.5	857.25	6.04
Residue			29.94			43.14
	I			U–I
Step 1	—	87.44	6.92	—	71.49	9.67
Step 2	137.24	164.84	25.02	156.67	222.92	18.59
Step 3	184.98	256.15	12.81	300.91	356.73	6.87
Step 4	307.36	351.05	12.11	393.72	443.93	10.29
Step 5	599.95	747.71	16.61	509.72	601.06	13.26
Residue			26.54			37.05
	K			U–K
Step 1	—	69.19	9.31	—	76.24	7.07
Step 2	146.58	259.39	22.39	156.67	278.44	28.40
Step 3	277.71	321.94	23.10	395.73	440.94	22.82
Step 4	500.64	747.92	17.04	—	—	—
Residue			28.16			41.72

^aSorption conditions: 700 mg per L UO₂²⁺, 3 mL of 1% w/v polysaccharide.