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

Kayal and Singh Chemistry Central Journal 2008 2:4   doi:10.1186/1752-153X-2-4