Table 7.

WAI for different solutions.

Number	solutions	${\mathbf{ϴ}}_{\mathbf{i}}$	${\mathbf{ϴ}}_{\mathbf{0}}$	${\mathbf{ϴ}}_{\mathbf{f}}$	WAI
1	SW	28	160	105	0.4
2	LSW	24	152	36	0.9
3	1 wt% DTPA/SW	30	138	93	0.41
4	3 wt% DTPA/SW	28	141	82	0.52
5	5 wt% DTPA/SW	22	143	23	0.99
6	7 wt% DTPA/SW	27	153	22	1.03
7	5 wt% DTPA/DIW	25	148	17	1.06