Table 1: Amount of Calcium Ions released (in mg/L) according to agitation protocol and chelating agent employed.
|
Chelating agent |
| Agitation protocol |
Distilled water |
0.2% Chitosan |
17% EDTA |
| Manual |
1.52 ± 0.07Aa
|
161.96 ± 2.18Ab
|
25.10 ± 3.15Ac
|
| Sonic |
2.55 ± 0.35Ba
|
166.94 ± 2.19Bb
|
64.95 ± 2.74Bc
|
| Ultrasonic |
3.49 ± 0.13Ca
|
176.24 ± 2.80Cb
|
85.74 ± 3.45Cc
|
Data presented as means ± standard deviation.
* Different upper-case letters indicate statistically significant differences (P<0.05) within columns.
* Different lower-case letters indicate statistically significant differences (P<0.05) within rows.