Conc

(ng∙mL−1)

Absolute recovery

Accuracy (%)

Conc (ng∙mL−1)

(Mean ± SD)

Mean (%) ± S.D

(n = 5)

Range

(Min-Max)

% CV

Mean ± SD

(n = 5)

Range

(Min-Max)

% CV

15

14.98 ± 0.03

98.5 ± 1.7

95.1 - 99.2

2.4

96.8 ± 2.7

92.4 - 99.2

3.4

4750

4743.2 ± 48.3

98.3 ± 3.1

92.5 - 99.4

2.8

97.1 ± 2.3

94.9 - 98.9

2.1

9500

9495.7 ± 121.4

98.9 ± 2.3

94.2 - 101.8

3.01

95.6 ± 2.4

92.2 - 98.7

2.6