Table 5 Welding fume characterization by ICP-AES*
Welding Fume Sample | Metal (weight %)†| Soluble/insoluble Ratio | pH |
|---|---|---|---|
GMA-MS Gas metal arc-mild steel | Fe 85 Mn 14 | 0.020 | Total 7.02 Soluble 7.44 Insoluble 7.03 |
GMA-SS Gas metal arc-stainless steel | Fe 53 Mn 23 Cr 19 Ni 5 | 0.006 | Total 6.94 Soluble 6.97 Insoluble 7.01 |
MMA-SS Manual metal arc-stainless steel | Fe 41 Cr 29 Mn 17 Ni 3 | 0.345 Soluble metals: Cr 87% Mn 11% | Total 6.92 Soluble 7.05 Insoluble 7.09 |