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Table 8 Intraday and inter-day precision for Triamcinolone acetonide

From: Formulation, optimization, qualitative and quantitative analysis of new dosage form of corticosteroid

Conc. (µg/mL)

Peak area

Mean found

Average (%)

SD

RSD

Intraday

 

10 am

1 pm

5 pm

1

2

3

 

SD

RS

700

2172

2175

2173

100.2

100.7

100.6

100.5

1.527

0.07

900

2792

2794

2791

100.8

100.3

100.7

100.6

1.527

0.05

1000

3103

3106

3107

101.1

101.6

101.2

101.3

2.081

0.07

1100

3416

3417

3423

101.2

101.6

101.5

101.4

3.785

0.11

1300

4035

4030

4039

101.1

101.4

101.7

101.3

4.509

0.11

Inter-day

 

Day 1

Day 2

Day 3

      

700

2168

2161

2165

100.5

100.7

100.3

100.5

3.511

0.16

900

2790

2793

2797

100.5

100.3

100.6

100.5

3.511

0.13

1000

3113

3109

3101

101.6

101.3

101.8

101.6

6.110

0.20

1100

3411

3418

3421

101.5

101.6

101.2

101.4

5.131

0.15

1300

4031

4035

4041

101.2

101.4

101.6

101.4

5.033

0.12