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Table 3 Analytical figures of merit of the suggested method obtained using Zn-MOF-5@BHPAC nanocomposite-coated SPME fiber (n = 6)

From: Introduction of a Zn-based metal–organic framework @ biomass porous activated carbon as a high-sensitive coating for a stainless steel SPME fiber: application to the simultaneous analysis of nonsteroidal anti-inflammatory drugs

Analytical figures Analytes
Ketoprofen Naproxen Diclofenac Ibuprofen Mefenamic acid
LRa 0.20‒380 0.20‒300 0.5‒250 0.20‒380 0.40‒300
R2 b 0.9935 0.9928 0. 9936 0.9920 0.9913
LODc (µg L−1) 0.06 0.06 0.15 0.06 0.08
LOQd (µg L−1) 0.20 0.20 0.50 0.20 0.40
RSDe of intra-day (%) 5.60 2.75 4.10 3.25 6.20
RSD of inter-day (%) 3.95 1.40 2.50 1.85 5.70
RSD after 45 days (%) 1.25 0.75 1.05 0.38 2.59
RSD of single fiber (%) 4.22 3.05 5.24 6.71 6.95
RSD of Repr.f (%) 2.80 1.15 2.01 0.90 5.46
RSD of RFg (%) 3.65 1.32 2.90 1.25 4.30
EFh 115 138 98 129 118
  1. aLinear range
  2. bSquare of correlation coefficient
  3. cLimit of detection
  4. dLimit of quantification
  5. eRelative standard deviation
  6. fReproducibility
  7. gResponse factor
  8. hEnrichment factor