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Table 2 Metal concentrations in various size fractions of household dust from Shanghai

From: Characterization of residential household dust from Shanghai by particle size and analysis of organophosphorus flame retardants and metals

mg/kg dustF2F3F4F5e
Al1.65 × 1032.93 × 1033.81 × 1031.04 × 104
As3.505.608.289.47
Ba276315352367
Cd2.152.802.701.01
Co1.782.724.056.46
Cr16.020.923.026.2
Cu175181206269
Fe1.62 × 1032.92 × 1033.73 × 1036.06 × 103
Ga244283319346
Mn125192242340
Ni41.154.139.042.0
Pb63.1146143134
Tln.d.n.d.n.d.n.d.
U0.090.200.260.84
V5.709.7612.623.5
Zn695701840955
  1. F2: 75–190 µm, F3: 25–75 µm, F4: cyclone 4–25 µm and F5e: 2.22 ± 2.04 µm
  2. n.d. not detected