Table 1 Precision and accuracy for quality control standard of glycyrrhetic acid
From: Stress degradation studies and stability-indicating TLC-densitometric method of glycyrrhetic acid
Analyst 1 | Analyst 2 | ||||||||
|---|---|---|---|---|---|---|---|---|---|
Intra-day | Inter-day | ||||||||
Conc. | Found* | R.S.D. | Accuracy | Found* | R.S.D. | Accuracy | Found* | R.S.D. | Accuracy |
(ng) | (ng) | % | (%) | (ng) | % | (%) | (ng) | % | (%) |
300 | 303.609±1.21 | 0.399 | 101.203 | 303.868±1.88 | 0.621 | 101.289 | 302.073±1.97 | 0.650 | 100.691 |
500 | 504.566±1.01 | 0.200 | 100.913 | 511.555±1.62 | 0.317 | 102.311 | 508.012±2.26 | 0.445 | 101.602 |
700 | 708.767±1.15 | 0.162 | 101.252 | 709.6±1.83 | 0.258 | 101.371 | 708.812±1.73 | 0.244 | 101.259 |