Table 2.

Detection of Cd²⁺ in different environmental water sources.

Sample	Add (molL−1)	Found (molL−1)
Tap water	1.75 × 10–9	1.57 × 10–9	89.71
Tinted water	1.75 × 10–9	1.6119 × 10–9	92
Sea water (Skanes)	1.75 × 10–9	1.7411 × 10–9	99.49
Sea water (Ksibet Elmediouni)	1.5 × 10–9 1.75 × 10–9	1.52 × 10–9 1.788 × 10–9	100.66 102.2