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Table 4 Linearity study results

From: Stability-indicating RP-HPLC method development and validation for simultaneous estimation of telmisartan and rosuvastatin calcium in bulk and in tablet dosage form

Linearity level (%) Concentration (µg/mL) Response (peak area)
TLS RST TLS RST
50 99.9073 23.6841 316,671 61,762
75 149.8609 35.5261 477,572 92,815
100 199.8145 47.3681 635,827 124,256
125 249.7682 59.2102 793,079 157,100
150 299.7218 71.0522 954,313 189,386
Squared correlation coefficient (R2); ≥ 0.995    1.000 0.999
(Y-intercept/response at 100% standard concentration) × 100; ≤ 3.0%    0.13 2.21