Skip to main content
. 2017 Sep-Oct;7(5):444–453.

Table 1.

Precision (% RSD) and accuracy (% recovery) of new RP-HPLC for determination of curcumin

Repeatability (intra-day), n=6 Stock concentration (µg/ml) Amount found
(µg/ml)
% RSD % Recovery
10 10.1 0.490 101
Curcumin 20 20.1 0.495 101
50 49.6 0.306 99.2
Inter-day precision 3 days (n=6)
First Day
10 10.07 0.638 100.7
20 20.02 0.264 100.1
50 49.89 0.22 99.78
Second Day
10 9.89 0.567 98.9
20 19.87 0.626 99.35
50 49.87 0.543 99.74
Third Day
10 9.999 0.11 99.99
20 20.1 0.246 100.5
50 50 0.2 100