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Table 2 Linear regression, sensitivity, and limits of detection using different columns

From: HPLC-CUPRAC post-column derivatization method for the determination of antioxidants: a performance comparison between porous silica and core-shell column packing

Antioxidant

Column material

Regression (r2)

Sensitivity, slope

LOD (nmol)

Catechin

C18 porous silica

0.922

6.30E + 05

0.56

C18 core shell

0.996

6.53E + 05

0.38

Phenyl-hexyl core shell

0.999

6.23E + 05

0.39

EGCG

C18 porous silica

0.999

1.41E + 06

0.24

C18 core shell

0.997

1.42E + 06

0.29

Phenyl-hexyl core shell

0.999

1.49E + 06

0.29