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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

Compound

Linear equation

R2

LOD (ng/mL)

LOQ (ng/mL)

RSD (%, n = 6)a

RSD (%, n = 3)b

Phenol

y = 54409x + 1438.9

0.9997

0.16

0.64

4.9

7.6

4-NP

y = 32887x + 368.02

0.9997

0.28

1.12

5.1

11.9

2-NP

y = 52340x + 711.27

0.9998

0.15

0.60

6.3

8.8

2,4-DMP

y = 26372x + 775.15

0.9998

0.30

1.20

10.2

9.6

2,4-DCP

y = 21672x + 224.74

0.9998

0.29

1.16

7.1

5.7

  1. aSingle fiber with six replicates
  2. bFiber to fiber with three replicates. The Linear ranges were 1–100 ng/mL for five phonels
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BMC Chemistry

ISSN: 2661-801X

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