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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
  1. *Values are mean of n = 9.