
Dushyant Patel LC-MS/MS Method
S.K.P.C.P.E.R., Kherva 58 M .Pharm. Thesis
¾ The % CV Extracted for LQC, MQC and HQC samples of GBP were 1.69, 2.20 and
1.95, respectively. (Table No. 4.17).
¾ The % CV of recovery across QC level for GBP was 0.64 (Table No. 4.18).
¾ The % CV within LEV IS concentration of Unextracted and Extracted sample area
across QC level was 1.92 and 2.65, respectively (Table No.4.19).
TABLE NO: 4.17 TABLE NO: 4.18
RECOVERY OF GBP VARIABILITY ACROSS
QC LEVELS OF GBP
Sr. No.
LQC (0.15 µg/ml)
Area of GBP
QC LEVELS %Recovery
LQC 75.16
Unextracted Extracted
MQC 74.24
1 875947 684127 HQC 74.48
2 899832 667856 Mean 74.63
3 904803 676503 SD 0.476
4 889850 662878 %CV 0.64
5 877122 659813
6 880627 653359
n 6 6
Mean 888030.17 667422.67
SD 12196.07 11296.22
%CV 1.37 1.69
%Recovery 75.16
Sr. No.
MQC (2.00 µg/ml)
Area of GBP
Unextracted Extracted
1 11855128 8942349
2 12044387 9307512
3 12039162 8913235
4 12160617 8900607
5 12026886 8741100
6 12092220 8811499
n 6 6
Mean 12036400.00 8936050.33
SD 101555.12 196631.07
%CV 0.84 2.20
%Recovery 74.24
Sr. No.
HQC (4.50 µg/ml)
Area of GBP
Unextracted Extracted
1 25943141 18948482
2 26361578 19188069
3 26357843 19070589
4 25786432 20011910
5 25622017 19249242
6 25534676 19421973
n 6 6
Mean 25934281.17 19315044.17
SD 358083.31 377262.38
%CV 1.38 1.95
%Recovery 74.48
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