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