| Median “acid hair” | Range “acid hair” | Median “alkaline hair” | Range “alkaline hair” | Unit |
Ca | 283 | 50 - 2830 | 1290 | 231 - 5630 | µg/g |
Mg | 26.4 | 9.5 - 424 | 32.2 | 7.2 - 299 | µg/g |
K | 41.1 | 1.25 - 3370 | 54.6 | 3.5 - 1780 | µg/g |
Na | 74.1 | 19.7 - 5600 | 123 | 22 - 2850 | µg/g |
Al | 5.2 | 1.4 - 21.4 | 3.4 | 0.2 - 21.4 | µg/g |
Cu | 47.4 | 6.1 - 716 | 19.8 | 8.3 - 179 | µg/g |
Fe | 9.53 | 0.25 - 29.3 | 18.4 | 6.12 - 195 | µg/g |
Mn | 0.355 | 0.050 - 8.554 | 0.503 | 0.071 - 25.2 | µg/g |
Hg | 0.376 | 0.012 - 3.503 | 0.327 | 0.086 - 0.960 | µg/g |
Ni | 0.354 | 0.055 - 2.15 | 0.248 | 0.006 - 4.64 | µg/g |
Rb | 0.054 | 0.0025 - 6.68 | 0.064 | 0.007 - 2.054 | µg/g |
Sr | 0.627 | 0.021 - 8.61 | 2.64 | 0.312 - 13.2 | µg/g |
Ti | 0.958 | 0.128 - 13.86 | 1.2 | 0.54 - 4.30 | µg/g |
Zn | 163 | 84 - 278 | 174 | 73 - 240 | µg/g |
P | 130 | 81 - 340 | 119 | 26 - 192 | µg/g |
S | 42,500 | 30,200 - 50,200 | 43,800 | 41,500 - 51,700 | µg/g |
As | 17 | 3.9 - 64 | 22 | 7.4 - 99 | ng/g |
Ba | 1057 | 10 - 7150 | 324 | 10 - 2130 | ng/g |
B | 281 | 0.5 - 7070 | 0.5 | 0.5 - 18,400 | ng/g |
Cd | 16 | 2.5 - 227 | 30 | 2.5 - 253 | ng/g |
Cr | 167 | 20 - 659 | 207 | 77 - 3690 | ng/g |
Co | 8.4 | 2.5 - 702 | 16 | 2.5 - 267 | ng/g |
Pb | 755 | 7.5 - 9480 | 612 | 109 - 2180 | ng/g |
Mo | 12.8 | 0.5 - 190 | 29 | 7.5 - 311 | ng/g |
Se | <5 | 1.8 - 119 | 127 | 2.5 - 335 | ng/g |
V | 10 | 1.0 - 98 | 24 | 9.4 - 58 | ng/g |