Concentration | Repeatability (n = 6) | Intermediate precision (n = 6) | ||||||||
µg/mL | Potassium | Magnesium | Calcium | Day 1 | Day 2 | |||||
Potassium | Magnesium | Calcium | Potassium | Magnesium | Calcium | |||||
Theoretical | 2.00 | 0.75 | 1.25 | 2.00 | 0.75 | 1.25 | 2.00 | 0.75 | 1.25 | |
Measured | 1.99 | 0.76 | 1.26 | 2.01 | 0.74 | 1.26 | 2.02 | 0.74 | 1.26 | |
% RSD | 0.63 | 0.91 | 1.01 | 0.21 | 0.54 | 0.78 | 0.23 | 0.87 | 0.91 | |