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Table 2 Analytical performance for HPLC determination of phenols using the MWCNTs/NaDC fiber

From: A simple strategy based on fibers coated with surfactant-functionalized multiwalled carbon nanotubes to improve the properties of solid-phase microextraction of phenols in aqueous solution

CompoundLinear equationR2LOD (ng/mL)LOQ (ng/mL)RSD (%, n = 6)aRSD (%, n = 3)b
Phenoly = 54409x + 1438.90.99970.160.644.97.6
4-NPy = 32887x + 368.020.99970.281.125.111.9
2-NPy = 52340x + 711.270.99980.150.606.38.8
2,4-DMPy = 26372x + 775.150.99980.301.2010.29.6
2,4-DCPy = 21672x + 224.740.99980.291.167.15.7
  1. aSingle fiber with six replicates
  2. bFiber to fiber with three replicates. The Linear ranges were 1–100 ng/mL for five phonels