Table 3.
Summary of analytical parameter.
Parameter | Value |
|
---|---|---|
Cr(III) | Cr(VI) | |
Concentration range (μg.L−1) | 50–500 | 50–500 |
Correlation coefficient | 0.9926 | 0.9975 |
Sensitivity (μg.L−1) | 14.7 | 14.7 |
Repeatability (%) | 1.8 | 0.6 |
Limit detection (μg.L−1) | 2.8 | 2.4 |
EF | 10 | 10 |
CE (hour−1) | 12 | 12 |
CI (mL) | 12 | 12 |
Accuracy (%) | 98.8 | 100.7 |