PPM
Parts per million, can be either elemental or oxide. To convert wt. % to ppm, multiply by 10000. Thus 0.1 wt.% = 1000 ppm; 0.01 wt.% = 100 ppm; etc.
Parts per million, can be either elemental or oxide. To convert wt. % to ppm, multiply by 10000. Thus 0.1 wt.% = 1000 ppm; 0.01 wt.% = 100 ppm; etc.