Research Article

Chemical Analysis of Air Particulate Matter Trapped by a Porous Material, Synthesized from Silica Fume and Sodium Alginate

Table 1

Elemental concentration normalized per geometrical surface area (ng m-2) of sonicated samples exposed in the five studied environments for 1 and 2 months. Values are expressed as the of three TXRF measurements.

SamplesTime (month)Industry (ng m-2)Laboratory (ng m-2)Gateway (ng m-2)Highway (ng m-2)Courtyard (ng m-2)

K (103)1
2

Ba (103)1
2

Mn1
2

Fe1<LOD
2

Ni1
2

Zn1
2

As1
2

Se1
2

Br1
2

Rb1
2

Sr1<LOD<LOD<LOD<LOD
2