Table 3 Determination of aluminium, lead and zinc in glass samples using proposed and standard methods.
Constituents | Value (Mean % of five determinations) using the proposed method | Value (%) found using the standard method 10 | ||||
|---|---|---|---|---|---|---|
Sample no. 1 | Sample no. 2 | Sample no. 3 | Sample no. 1 | Sample no. 2 | Sample no. 3 | |
Al2O3 | 12.57 ± 0.02 | 1.16 ± 0.09 | 3.63 ± 0.09 | 12.59 ± 0.09 | 1.14 ± 0.09 | 3.62 ± 0.09 |
PbO | 42.60 ± 0.27 | 40.36 ± 0.06 | 42.22 ± 0.35 | 42.68 ± 0.09 | 40.38 ± 0.09 | 42.25 ± 0.09 |
ZnO | 11.14 ± 0.19 | 9.84 ± 0.02 | 19.53 ± 0.11 | 11.12 ± 0.09 | 9.85 ± 0.09 | 19.56 ± 0.09 |