Table S2 Statistical summary of trace elements in FK aerosols and reported data in other places.
Elements (ng/g) / FuKang (This study) / Almatya / Urumqib / Beijingc / Lhasad / Nam Coe / [FK]/[UQb ] / [FK]/[BJc ] / [FK]/[LSd ] / [FK]/[ATa ] / [FK]/[NCe ]Alkali metals and Alkali Earth Metals
Na / 5675 / - / - / - / 345 / - / - / - / 16 / - / -
K / 4711 / 110 / - / - / 614 / 82 / - / - / 8 / 43 / 57
Rb / 53 / - / - / - / - / - / - / - / - / - / -
Cs / - / - / - / - / - / - / - / - / - / - / -
Be / 0.0005 / - / - / - / - / - / - / - / - / - / -
Mg / 4839 / - / - / - / 269 / 12 / - / - / 18 / - / 403
Ca / 20866 / - / - / 12717 / 1640 / - / - / 2 / 13 / - / -
Sr / 118 / 2 / - / - / - / - / - / - / - / 62 / -
Ba / 112 / - / - / - / 12 / - / - / - / 9 / - / -
Al / 4570 / 140 / - / 2873 / 1450 / 131 / - / 2 / 3 / 33 / 35
Transition Metals
Sc / 2 / - / - / - / 0.27 / - / - / - / 8 / - / -
Ti / 177 / 16 / - / 301 / 108 / 10 / - / 1 / 2 / 11 / 18
V / 18 / - / 30 / 10 / 5 / 0.06 / 1 / 2 / 4 / - / 307
Cr / 13 / 1 / 40 / - / 19 / 1 / 0 / - / 1 / 10 / 13
Mn / 227 / 3 / 260 / 212 / 27 / 4 / 1 / 1 / 8 / 67 / 61
Fe / 4426 / 150 / - / 4580 / 1034 / 94 / - / 1 / 4 / 30 / 47
Co / 46 / - / 40 / 3 / 2 / - / 1 / 14 / 26 / - / -
Ni / 111 / - / 50 / 14 / 7 / 0.95 / 2 / 8 / 15 / - / 117
Cu / 61 / 0.6 / 1010 / 87 / 9 / 0.56 / 0 / 1 / 7 / 102 / 109
Zn / 721 / 2 / 550 / 639 / 81 / 2 / 1 / 1 / 9 / 328 / 401
Lanthanoids
La / 7 / - / - / - / - / - / - / - / - / - / -
Ce / 47 / - / - / - / - / - / - / - / - / - / -
Pr / 37 / - / - / - / - / - / - / - / - / - / -
Nd / 46 / - / - / - / - / - / - / - / - / - / -
Sm / 25 / - / - / - / - / - / - / - / - / - / -
Eu / 2 / - / - / - / - / - / - / - / - / - / -
Gd / 2 / - / - / - / - / - / - / - / - / - / -
Tb / 15 / - / - / - / - / - / - / - / - / - / -
Dy / 17 / - / - / - / - / - / - / - / - / - / -
Ho / 5 / - / - / - / - / - / - / - / - / - / -
Er / 14 / - / - / - / - / - / - / - / - / - / -
Tm / 4 / - / - / - / - / - / - / - / - / - / -
Yb / 1 / - / - / - / - / - / - / - / - / - / -
Lu / 7 / - / - / - / - / - / - / - / - / - / -
Heavy Elements
As / 444 / - / - / 36 / 2 / 0.04 / - / 12 / 247 / - / 11106
Sb / 272 / - / - / 24 / - / 11 / - / - / -
Se / 571 / - / - / 7 / - / 0.08 / - / 76 / - / - / 7132
Ag / 3 / - / - / - / - / - / - / - / - / - / -
Cd / 95 / - / - / 5 / 1 / - / - / 20 / 183 / - / -
Hg / 109 / - / - / - / - / - / - / - / - / - / -
Sn / 331 / - / - / - / - / - / - / - / - / - / -
Pb / 442 / 4 / 0 / 327 / 37 / - / - / 1 / 12 / 101 / -
Tl / 2581 / - / - / - / - / - / - / - / - / - / -
Zr / 4 / - / - / - / - / - / - / - / - / - / -
Hf / 191 / - / - / - / - / - / - / - / - / - / -
Ta / 33 / - / - / - / - / - / - / - / - / - / -
W / 92 / - / - / - / - / - / - / - / - / - / -
Th / 13 / - / - / - / - / - / - / - / - / - / -
U / 62 / - / - / - / - / - / - / - / - / - / -
-. Means not available/analyzed; a. Kazakhstan, Backgound Station, Tianshan Mountain region, (43.04ºN, 76.58ºE), August 1996–1997, (Hoornaert et al., 2004); b. Urumqi, Northwest China, on the north foot of Tianshan, (42.75ºN, 86.6ºE), Jan 2002–July 2002,(Wang Q. et al., 2013); c. Beijing, the Capital of China,(39.9ºN,116.3ºE), March 2001–March 2006, (Okuda et al., 2008); d. Lhasa, Tibetan Plateau, (29.6ºN,91.1ºE), September 2007–August 2008, (Cong et al., 2011); e. Nam Co, central Tibetan Plateau, (30.46ºN, 90.59ºE), summer 2005, (Cong et al., 2007); UQ. Urumqi; BJ. Beijing; LS. Lhasa; AT. Almaty; NC. Nam Co; [FK]. element concentration of FK.