Abstract
A technique, with the instrumentation required, is described that allows the routine mapping of magnetic lung contamination in vivo . The instrumentation consists of (1) a patient chair which moves during the mapping between two fluxgate transducers and two magnetizing coils producing a magnetic field to magnetize the lung contaminants and (2) a minicomputer for control, calculations and reporting. Measurements of lung contamination among mild steel and stainless steel welders are reported. The resolution in magnetic field measurement is 0.1 nT, corresponding to a sensitivity better than 1 mg of magnetic contaminants in the lungs in the form of magnetic iron oxides. The magnetic properties of welding fumes produced in mild steel and stainless steel welding processes are also reported.
| Original language | English |
|---|---|
| Pages (from-to) | 175-184 |
| Journal | Annals of Occupational Hygiene |
| Volume | 23 |
| Issue number | 2 |
| DOIs | |
| Publication status | Published - 1980 |
| MoE publication type | A1 Journal article-refereed |