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Table 2 Results of system suitability parameters of standard solution

From: Concurrent estimation of lamivudine, tenofovir disoproxil fumarate, and efavirenz in blended mixture and triple combination tablet formulation by a new stability indicating RP-HPLC method

 

Parameter

tR

Area

USP tailing

USP plate count

Average resolution

LAM

Mean

2.65

2,702,001

1.21

2863.8

-

SD

0.01

9637.52

0.01

27.23

%RSD

0.24

0.35

1.0

0.95

TDF

Mean

4.40

1,779,305

1.0

9659.2

9.13

SD

0.01

4811.89

0.01

152.76

%RSD

0.28

0.27

0.52

1.581

EVZ

Mean

5.93

1,237,753

0.94

11737.6

7.55

SD

0.02

2925.29

1.24

127.73

%RSD

0.42

0.23

1.32

1.08

Acceptance limit

%RSD- (≤ 2)

  

(≤ 2)

> 2000

˃2

  1. SD standard deviation, %RSD relative standard deviation