Sample | Intra-day precision | Inter-day precision | ||||
---|---|---|---|---|---|---|
S.D. in amount (ng) | R.S.D. % | S.E | S.D. in amount (ng) | R.S.D. % | S.E. | |
S-1 a) TP | 1.17 | 0.35 | 0.67 | 1.38 | 0.41 | 0.80 |
S-2 b) TP | 2.29 | 0.54 | 1.32 | 2.50 | 0.56 | 1.44 |
c) TPP | 1.96 | 1.06 | 1.13 | 2.33 | 1.22 | 1.34 |
d) TI | 0.27 | 0.05 | 0.16 | 3.22 | 0.64 | 1.86 |
e) TD | 0.28 | 0.04 | 0.16 | 1.75 | 0.22 | 1.01 |