Table 1

Concentration	pH	Absorbance	RPM	Contact time
3.244	4	0.2493	100	60
3.495	4	0.2703	100	90
3.969	4	0.3114	165	60
3.333	4	0.2567	165	90
3.813	5	0.3283	100	60
3.703	5	0.3163	100	90
3.895	5	0.3375	165	60
4.085	5	0.3597	165	90
0.669	6	0.0647	100	60
0.854	6	0.0636	100	90
0.977	6	0.0728	165	60
0.456	6	0.034	165	90
0.783	7	0.0608	100	60
0.733	7	0.0569	100	90
1.242	7	0.0968	165	60
1.158	7	0.0901	165	90

(a): For copper with eggshell.

Concentration	pH	Absorbance	RPM	Contact time
3244	1	0 2493	100	60
3.495	4	0.2703	100	90
3969	4	0 3114	165	60
3.333	4	0.2567	165	90
869	5	0.0647	100	60
0.854	5	0.0636	100	90
0 977	5	0 0728	165	60
0.456	5	0.034	165	90
1991	6	0 3655	100	60
3.531	6	0.3233	100	90
3278	6	0 1002	165	60
3.341	6	0.306	165	90
3.479	7	0 3186	100	60
3245	7	0.2971	100	90
3394	7	0 3108	165	60
3.113	7	0.2851	165	90

(b): For copper with banana peel.

Concentration	pH	Absorbance	RPM	Contact time
3.38	4	0.2715	100	60
3.727	4	0.2993	100	90
3.595	4	0.2887	165	60
3.465	4	0.2783	165	90
3.103	5	0.2634	100	60
3.14	5	0.2665	100	90
3.137	5	0.2663	165	60
3.503	5	0.2973	165	90
3.495	6	0.2807	100	60
3.168	6	0.2544	100	90
3.551	6	0.2852	165	60
3.267	6	0.2623	165	90
3.257	7	0.2765	100	60
3.605	7	0.306	100	90
3.474	7	0.2948	165	60
3.422	7	0.2904	165	90

(c): For copper with pumpkin.

Table 1: Table for copper with parameters.