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Table 2 The relative recoveries of the target PAHs determination utilizing the developed method (n = 5)

From: Preparation of a new coating of graphene oxide/nickel complex on a nickelized metal surface for direct immersion solid phase microextraction of some polycyclic aromatic hydrocarbons

Analytes Naphthalene Acenapthene Fluorene Phenanthrene Anthracene Fluoranthene Pyrene Chrysene
Samples Added (µgL–1) 0.00 5.00 10.00 0.00 5.00 10.00 0.00 5.00 10.00 0.00 5.00 10.00 0.00 5.00 10.00 0.00 5.00 10.00 0.00 5.00 10.00 0.00 5.00 10.00
Peeled tomato Found (µgL–1) 8.32 12.48 18.13 6.08 10.93 15.20 4.27 9.72 8.91 13.21 18.52 5.28 8.31 4.2 8.63 4.97 10.14 4.83 9.79
RRa (%) + RSD (%) 83.20 ± 2 98.08 ± 1 97.00 ± 2 91.20 ± 2 85.40 ± 3 97.20 ± 1 86.50 ± 3 96.10 ± 3 105.6 83.10 84.00 ± 2 86.30 ± 3 99.40 ± 3 101.40 ± 1 96.60 ± 1 97.90 ± 2
Unpeeled tomato Found (µgL–1) 13.3 18.13 22.14 4.17 9.49 5.05 9.36 14.06 19.00 24.20 4.61 9.16 3.28 8.52 12.20 5.03 10.55 8.56 9.61
RR (%) + RSD (%) 96.60 ± 3 88.40 ± 2 83.40 ± 3 94.90 ± 2   101.00 93.60 98.80 ± 2 101.40 ± 1 92.20 91.60 104.80 ± 1 89.20 ± 2 100.60 ± 1 105.50 ± 3 85.60 ± 4 96.10 ± 2
Peeled potato Found (µgL–1) 4.46 10.37 5.30 10.43 15.41 8.99 89.90 4.16 10.12 4.89 9.46 4.75 8.61 5.14 9.96 2.84 7.20 12.14
RR (%) + RSD (%) 89.20 ± 1 103.70 ± 1 102.60 ± 1 101.10 ± 3 90.11 ± 4 91.10 ± 2 83.20 ± 2 101.20 ± 3 97.80 94.60 95.00 ± 2 86.10 ± 2 102.80 ± 2 99.60 ± 3 87.20 ± 3 93.00 ± 3
Unpeeled potato Found (µgL–1) 4.52 9.33 4.28 9.20 13.80 10.35 8.79 8.24 12.62 17.68 4.36 9.96 4.63 9.02 4.74 8.35 8.29 9.44
RR (%) + RSD (%) 90.40 ± 3 93.30 ± 2 98.40 ± 3 95.20 ± 1 103.50 ± 3 87.90 ± 2 87.60 ± 3 94.00 ± 3 87.20 99.60 92.60 90.20 - 94.80 ± 2 83.50 ± 4 82.90 ± 3 94.40 ± 2
Machine Sangak Found (µgL–1) 4.45 10.44 4.17 9.20 4.90 8.88 3.75 8.25 12.69 4.44 10.08 4.30 8.62 4.63 8.90 5.03 9.09
RR (%) + RSD (%) 89.00 ± 2 104.40 ± 1 83.40 ± 2 92.00 ± 3 98.00 ± 1 88.80 ± 4 90.00 ± 2 89.40 ± 1 88.80 100.8 86.00 ± 3 86.20 ± 2 92.60 ± 3 89.00 ± 4 100.06 ± 1 90.90 ± 2
Tandoori Sangak Found (µgL–1) 4.23 9.80 5.30 10.20 14.75 4.00 8.47 10.37 15.13 19.02 9.18 14.57 18.22 4.98 8.58 2.80 7.95 12.82 5.00 9.19
RR (%) + RSD (%) 84.60 ± 1 98.00 ± 3 98.00 ± 3 94.50 ± 1 80.00 ± 4 84.70 ± 3 95.20 ± 2 86.50 ± 3 107.8 90.40 99.60 ± 1 85.80 ± 2 103.00 ± 2 100.20 ± 1 100.00 ± 1 91.90 ± 3
  1. aRelative recovery
  2. ‒: ND