Determination of trace elements in airborne dusts by means of the spark-like d.c. arc.
D000393:Air Pollutants / Q000032:analysis*; D001128:Argon; D004391:Dust / Q000032:analysis*; D004784:Environmental Monitoring / Q000379:methods; D014131:Trace Elements / Q000032:analysis*
D000393:Air Pollutants; D004391:Dust; D014131:Trace Elements; D001128:Argon