The calibration graph for determination of Cd–oxine was linear over the concentration range 5 × 10−8 to 4 × 10−7 mol l −1 (r = 0.998), with a detection limit of 3.5 × 10−9 mol l −1.
The calibration graph for determination of Cd–oxine was linear over the concentration range5 × 10−8 to 4 × 10−7 mol l−1 (r = 0.998), with a detection limit of 3.5 × 10−9 mol l−1.