Skip to main content

Advertisement

Table 1 Results of the Quality Control on IAEA air filter samples (μg g -1 )

From: Deep investigation on inorganic fraction of atmospheric PM in Mediterranean area by neutron and photon activation analysis

Element Measured value Certified value Average value
  mean ± s.d. mean mean 2σ (%)
As 4.9±0.5 5.6 4.59 43
Au 1.26±0.10 1.15 1.06 21
Ba 43.4±0.5 53.8 39.05 40
Cd 10.6±1.0 9.96 9.8 18
Co 1.3±0.1 1.12 1.18 38
Cr 4.7±0.8 5.6 4.8 13
Cu 51.6±0.5 48.8 44.8 16
Fe 193±17 207.9 200.1 8
Mn 31.2±1.0 31.9 30.1 14
Mo 1.26±0.2 1.14 1.56 70
Se 1.01±0.10 1.06 1.01 11
U 0.78±0.10 1.02 0.99 14
V 8.04±0.35 8.00 7.2 16
Zn 132±18 152 141 12
  1. The “measured value” is the average of seven determinations on seven different replicates. s.d.: standard deviation.