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Table 3 Total metal concentration (ppm) in four distinct sections of the waterpipe smoking process for each of the four waterpipe tobacco samples

From: Compartmental analysis of metals in waterpipe smoking technique

  12LWMBR 13LWMBR O6GRPBR 01APPRD
Metal concentration in ppm ± standard deviation (faction of total in sample)
Original sample 1653.49 ± 439.63 1434.51 ± 365.62 572.22 ± 117.71 2123.98 ± 482.14
  (1.0) (1.0) (1.0) (1.0)
Ash residue 609.47 ± 144.25 473.45 ± 121.86 374.44 ± 97.32 492.72 ± 119.98
  (0.37) (0.33) (0.65) (0.23)
Vater vessel 38.54 ± 11.19 52.98 ± 15.01 16.30 ± 3.96 54.65 ± 15.38
  (0.02) (0.04) (0.03) (0.03)
Smoke 1005.45 ± 286.33 888.86 ± 228.82 181.43 ± 33.37 1576.59 ± 348.39
  (0.61) (0.62) (0.32) (0.74)
Of which >0.045 μm 87.95 ± 21.35 40.33 ± 11.56 55.76 ± 9.64 45.25 ± 8.72
  1. The values represent the sum of all metals present (Bi, Cr, Cu, Fe, Mg, Mn, Mo, Ni, Pb, V, and U) with the standard deviation and the fraction of the total metal the value of each compartment represents.