Figure 2
From: Trace metals and magnetic particles in PM2.5: Magnetic identification and its implications

χLF plotted against (a) the saturation isothermal remanent magnetization value and (b) χARM for the PM2.5 samples collected in Nanjing.
From: Trace metals and magnetic particles in PM2.5: Magnetic identification and its implications
χLF plotted against (a) the saturation isothermal remanent magnetization value and (b) χARM for the PM2.5 samples collected in Nanjing.