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Table 3 Intra- and inter-day analysis (n = 3)

From: Effective separation and simultaneous analysis of anabolic androgenic steroids (AAS) in their pharmaceutical formulations by a validated TLC-densitometry method

Sample

Intra-day precision

Inter-day precision

S.D. in amount (ng)

R.S.D. %

S.E

S.D. in amount (ng)

R.S.D. %

S.E.

S-1

a) TP

1.17

0.35

0.67

1.38

0.41

0.80

S-2

b) TP

2.29

0.54

1.32

2.50

0.56

1.44

c) TPP

1.96

1.06

1.13

2.33

1.22

1.34

d) TI

0.27

0.05

0.16

3.22

0.64

1.86

e) TD

0.28

0.04

0.16

1.75

0.22

1.01