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Table 6 Intraday and Interday precision parameters for developed bioanalytical method

From: Chromatographic method for estimation of vitamin E from dried blood spot sample

QC samples

Concentration (μg/mL)

Precision

Intraday

Interday

Mean

SD (n = 5)

% CV

Mean

SD (n = 5)

% CV

LQC

1.875

2.284

0.0019

0.0841

2.2833

0.0005

0.0252

MQC

30

7.743

0.0014

0.0191

7.7416

0.0005

0.0074

HQC

45

10.781

0.0031

0.0288

10.782

0.0010

0.0092