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. Author manuscript; available in PMC: 2014 Jun 1.
Published in final edited form as: Chromatographia. 2013 Jun;76(11-12):10.1007/s10337-013-2461-3. doi: 10.1007/s10337-013-2461-3

Table 2.

Comparison between the performance data of IELC and UHP-IELC for the separation of acetic acid (AA), salicylic acid (SA), and acetylsalicylic acid (ASA).

Parameter IELC UHP-IELC

AA SA ASA AA SA ASA
Range (ppm) 80-560 8-56 8-56 80-560 8-56 8-56
LOD (ppm) 1.437 0.004 0.023 2.261 0.006 0.027
LOQ (ppm) 4.789 0.014 0.078 7.536 0.021 0.090
%R.S.D. 0.71 0.79 1.78 0.4 1.32 0.37
Slope 0.17 47.07 11.94 0.17 50.23 7.87
Intercept 10.77 - 10.55 45.349 0.78 48.05 - 24.16
Correlation coefficient 0.987 0.989 0.992 0.990 0.991 0.986
n 6 6 7 6 6 7