
Dushyant Patel LC-MS/MS Method
S.K.P.C.P.E.R., Kherva 62 M .Pharm. Thesis
TABLE NO: 4.23
MAIN STOCK SOLUTION STABILITY OF LEV (93 hrs at room temp.)
Sr. No.
LEV(1.50 µg/ml)
Comp. sample area Stability sample area
1 6065366 6036516
2 6062324 6008907
3 6155877 5863199
4 5971748 5993892
5 5962427 5891232
6 6044741 6001840
n 6 6
Mean 6043747 5965931
SD 70970 70759
% CV 1.17 1.19
% Mean Change -1.29
TABLE NO: 4.24
MAIN STOCK SOLUTION STABILITY OF GBP (93 hrs at 2-8˚C)
Sr. No.
GBP(12.00 µg/ml)
Comp. sample area Stability sample area
1 37965530 39114837
2 37885805 40092928
3 38242777 40095247
4 38073735 40644570
5 37874277 40215347
6 38241913 40394861
n 6 6
Mean 38047340 40092965
SD 167026 522901
% CV 0.44 1.30
% Mean Change 5.38
TABLE NO: 4.25
MAIN STOCK SOLUTION STABILITY OF LEV (93 hrs at 2-8˚C)
Sr. No.
LEV(1.50 µg/ml)
Comp. sample area Stability sample area
1 6065366 5829432
2 6062324 5914353
3 6155877 5875641
4 5971748 5931620
5 5962427 5958053
6 6044741 5901846
n 6 6
Mean 6043747 5901824
SD 70970 45017
% CV 1.17 0.76
% Mean Change -2.35
4.3.10.2 Bench top stability of GBP (at room temp. for 20 hrs):
¾ LQC and HQC samples were spiked in human plasma and were kept at room
temperature for 20 hrs and were processed and analyzed along with previously bulk
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