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. 2014 Apr;4(4):262–266. doi: 10.12980/APJTB.4.2014C1007

Table 4. Robustness of the proposed HPTLC method (n=6).

Conc. (ng/spot) Mobile phase composition (Ethyl acetate: methanol: water)
 Results
Original Used Area±SD % RSD Rf
15:3.2.1 +0.1 7310±75 1.02 0.41
400 15:3:2 15:3:2 0.0 7290±59 0.81 0.40
15:3.1.9 -0.1 7284±51 0.69 0.39

Conc.: Concentration.