Table 2.

The concentration of calcium and phosphorus after the demineralization of carbs samples by applied the seven concentrations.

Conc. HCl	Average Conc. (ppm)		Average Conc. in 0.8 gm/50 ml (ppm)
(M)
	Calcium (Ca)	Phosphorous (P)	Calcium (Ca)	Phosphorous (P)
0.75	0	84.24 ± 5.77	0	5258 ± 5.78
1	69.19 ± 26.13	41.04 ± 1.67	6005 ± 26.14	2562 ± 1.66
1.25	51.78 ± 30.72	35.13 ± 2.99	3232 ± 30.71	2193 ± 2.98
1.5	14.74 ± 8.28	33.11 ± 0.50	920.3 ± 8.29	2067 ± 0.51
1.75	12.6 ± 7.37	25.41 ± 1.50	786.3 ± 7.38	1586 ± 1.49
2	11.62 ± 5.57	24.68 ± 0.69	725.3 ± 5.56	1540 ± 0.70
2.25	21.46 ± 1.23	24.48 ± 0.34	1340 ± 1.24	1528 ± 0.35
2.5	20.10 ± 14.63	26.79 ± 2.04	1254 ± 14.62	1672 ± 2.03

The values of average concentration of Ca and P are means ± SD of three trails.