Concentration | Potassium (n = 3) | Magnesium (n = 3) | Calcium (n = 3) | ||||||
µg/mL | Std. 1 | Std. 2 | Std. 3 | Std. 1 | Std. 2 | Std. 3 | Std. 1 | Std. 2 | Std. 3 |
Theoretical | 1.60 | 2.00 | 2.40 | 0.50 | 0.75 | 1.00 | 0.60 | 1.25 | 2.00 |
Measured | 1.61 | 1.99 | 2.41 | 0.51 | 0.76 | 0.99 | 0.59 | 1.24 | 2.01 |
% RSD | 0.89 | 1.02 | 0.76 | 0.63 | 0.78 | 0.91 | 1.01 | 1.02 | 0.21 |