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Dushyant Patel LC-MS/MS Method

S.K.P.C.P.E.R., Kherva 57 M .Pharm. Thesis

Table No. 4.16 continue

Sr.

No.

Day

MQC (2.00 µg/ml) HQC (4.50 µg/ml)

Calculated conc. % Nominal conc. Calculated conc. % Nominal conc.

Day 1

2.103 105.1 4.726 105.0

2 2.172 108.6 4.803 106.7

3 2.092 104.6 4.619 102.6

4 2.094 104.7 4.734 105.2

5 2.088 104.4 4.636 103.0

6 2.034 101.7 4.523 100.5

Day 2

2.108 105.4 4.597 102.2

8 2.113 105.7 4.579 101.7

9 2.075 103.8 4.751 105.6

10 1.806 90.30 4.632 102.9

11 2.023 101.2 4.664 103.6

12 1.819 90.91 4.596 102.1

Day 3

2.091 104.6 4.536 100.8

14 2.049 102.5 4.583 101.8

15 1.806 90.30 4.610 102.4

16 1.995 99.75 4.567 101.5

17 1.788 89.40 4.627 102.8

18 2.062 103.1 4.476 99.47

Day 4

2.083 104.2 4.477 99.49

20 2.089 104.5 4.535 100.8

21 2.095 104.8 4.458 99.07

22 2.072 103.6 4.587 101.9

23 1.996 99.8 4.745 105.4

24 2.038 101.9 4.655 103.4

Day 5

2.080 104.0 4.407 97.93

26 2.051 102.6 4.418 98.18

27 2.015 100.8 4.275 95.00

28 2.038 101.9 4.346 96.58

29 1.953 97.65 4.513 100.3

30 2.018 100.9 4.415 98.11

n 30

Mean 2.028 101.4 4.570 101.6

SD 0.099

0.125

%CV 4.88 2.73

4.3.7 Recovery:

¾ The percentage recovery of GBP was determined by comparing the mean peak area of

GBP in extracted LQC, MQC and HQC samples with freshly prepared Unextracted

LQC, MQC and HQC samples, respectively.

¾ The mean % recovery for LQC, MQC and HQC samples of GBP were 75.16, 74.24 and

74.48, respectively. (Table No. 4.17).

¾ For LEV (IS), mean peak area of eighteen extracted samples was compared to the mean

area peak of eighteen Unextracted LEV (IS) samples. The mean percentage recovery for

LEV (IS) was 104.5 (Table No.4.19).

¾ The % CV Unextracted for LQC, MQC and HQC samples of GBP were 1.37, 0.84 and

1.38, respectively. (Table No. 4.17).

1 2 ... 64 65 66 67 68 69 70 71 72 73 74 ... 92 93

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