METHODS FOR SAMPLING AND
INORGANIC ANALYSIS OF COAL
U.S. Geological Survey
Bulletin 1823
Edited by D.W. Golightly and F.O. Simon
Table 5. Spectral lines used in spectrographic analysis, listed in order of decreasing intensity
| Element | Wavelength (nm) |
Determination limits (cg/g) |
Element | Wavelength (nm) |
Determination limits (cg/g) |
Element | Wavelength (nm) |
Determination limits (cg/g) |
||||||||
| Ag | 328.068 | 0.000010 | - | 0.00215 | Ho | 345.600 | 0.000681 | - | 0.0147 | Ru | 349.894 | 0.000215 | - | 0.0100 | ||
| 338.289 | 0.000100 | - | 0.00215 | 339.898 | 0.00100 | - | 0.0316 | 343.674 | 0.000464 | - | 0.0215 | |||||
| 235.792 | 0.100 | - | 1.00 | 328.198 | 0.00681 | - | 0.1 | 408.060 | 0.000681 | - | 0.0681 | |||||
| Al | 266.039 | 0.0464 | - | 1.47 | In | 451.132 | 0.00100 | - | 0.0147 | 291.626 | 0.00464 | - | 1.00 | |||
| 265.249 | 0.0464 | - | 3.16 | 303.936 | 0.00100 | - | 0.0464 | Sb | 259.806 | 0.00681 | - | 0.215 | ||||
| 237.841 | 0.316 | - | 31.6 | 325.856 | 0.00147 | - | 0.147 | 326.750 | 0.0100 | - | 0.681 | |||||
| 266.917 | 2.15 | - | 31.6 | 293.262 | 0.00316 | - | 1.00 | 267.064 | 0.0681 | - | 1.00 | |||||
| As | 286.045 | 0.0100 | - | 1.00 | 271.027 | 0.0464 | - | 1.00 | 268.276 | 0.147 | - | 1.00 | ||||
| 234.984 | 0.0147 | - | 1.00 | Ir | 322.778 | 0.00147 | - | 0.464 | Sc | 424.683 | 0.000100 | - | 0.00316 | |||
| 289.871 | 0.464 | - | 1.00 | 247.512 | 0.0147 | - | 1.00 | 391.181 | 0.000100 | - | 0.00464 | |||||
| Au | 267.595 | 0.000681 | - | 0.0316 | K | 404.414 | 0.0681 | - | 2.15 | 402.040 | 0.000147 | - | 0.00681 | |||
| 242.795 | 0.00147 | - | 0.147 | 404.720 | 0.147 | - | 3.16 | 335.373 | 0.000147 | - | 0.0100 | |||||
| B | 249.773 | 0.000316 | - | 0.0215 | 344.637 | 1.00 | - | 10.4 | 255.236 | 0.00215 | - | 0.100 | ||||
| 249.679 | 0.000681 | - | 0.0464 | La | 404.291 | 0.00100 | - | 0.0681 | Si | 251.921 | 0.00464 | - | 0.0681 | |||
| Ba | 455.404 | 0.000147 | - | 0.00316 | 433.373 | 0.00215 | - | 0.0464 | 253.238 | 0.100 | - | 14.7 | ||||
| 413.066 | 0.00215 | - | 0.0681 | 324.512 | 0.00215 | - | 0.215 | 243.878 | 0.215 | - | 21.5 | |||||
| 350.112 | 0.00464 | - | 0.681 | 350.999 | 0.0215 | - | 1.00 | 257.713 | 2.15 | - | 34.3 | |||||
| 307.159 | 0.0215 | - | 3.16 | Li | 323.261 | 0.00681 | - | 0.316 | Sm | 429.675 | 0.00100 | - | 0.0100 | |||
| Be | 313.042 | 0.000100 | - | 0.00147 | 427.328 | 0.215 | - | 3.16 | 425.640 | 0.00316 | - | 0.100 | ||||
| 313.107 | 0.000100 | - | 0.00316 | Lu | 291.139 | 0.00147 | - | 0.100 | 340.867 | 0.00464 | - | 0.100 | ||||
| 234.861 | 0.000100 | - | 0.00681 | 451.857 | 0.0147 | - | 0.100 | Sn | 317.502 | 0.000464 | - | 0.0464 | ||||
| 332.134 | 0.000215 | - | 0.0147 | Mg | 277.983 | 0.00215 | - | 0.147 | 283.999 | 0.00147 | - | 0.0464 | ||||
| 332.109 | 0.000215 | - | 0.0147 | 278.142 | 0.00316 | - | 0.681 | 286.333 | 0.00681 | - | 0.100 | |||||
| 265.062 | 0.000215 | - | 0.0215 | 332.993 | 0.100 | - | 4.64 | 242.169 | 0.0100 | - | 1.00 | |||||
| 249.473 | 0.00100 | - | 0.0681 | 293.854 | 0.147 | - | 10.0 | Sr | 407.771 | 0.000100 | - | 0.000464 | ||||
| Bi | 306.772 | 0.00100 | - | 0.0215 | 457.115 | 4.64 | - | 30.4 | 460.733 | 0.000215 | - | 0.00681 | ||||
| 289.796 | 0.00316 | - | 0.316 | Mn | 279.827 | 0.000100 | - | 0.0147 | 346.446 | 0.00147 | - | 0.100 | ||||
| 302.464 | 0.00464 | - | 0.681 | 280.106 | 0.000147 | - | 0.0215 | 416.179 | 0.0147 | - | 0.464 | |||||
| Ca | 317.933 | 0.00100 | - | 0.147 | 294.921 | 0.000316 | - | 0.0464 | 293.183 | 0.316 | - | 14.7 | ||||
| 315.887 | 0.00464 | - | 0.316 | 293.306 | 0.00100 | - | 0.147 | 330.753 | 0.464 | - | 21.5 | |||||
| 299.731 | 0.0681 | - | 10.0 | 291.460 | 0.0215 | - | 3.16 | 256.947 | 1.47 | - | 31.6 | |||||
| 272.165 | 0.681 | - | 31.6 | 271.333 | 0.464 | - | 21.5 | Ta | 271.467 | 0.0316 | - | 1.00 | ||||
| Cd | 326.106 | 0.00316 | - | 0.147 | 238.702 | 10.0 | - | 46.4 | 296.555 | 0.0464 | - | 1.00 | ||||
| 346.620 | 0.00316 | - | 0.215 | Mo | 317.035 | 0.000100 | - | 0.0316 | 284.425 | 0.0464 | - | 1.00 | ||||
| 325.253 | 0.100 | - | 1.00 | 320.883 | 0.00100 | - | 0.100 | 294.022 | 0.100 | - | 1.00 | |||||
| Ce | 418.660 | 0.00430 | - | 0.136 | 281.615 | 0.00215 | - | 0.100 | Tb | 329.307 | 0.00316 | - | 0.100 | |||
| 416.561 | 0.00632 | - | 0.200 | Na | 330.232 | 0.00215 | - | 0.464 | 365.888 | 0.00464 | - | 0.100 | ||||
| 320.171 | 0.0200 | - | 0.928 | 330.299 | 0.00681 | - | 1.00 | 427.851 | 0.0215 | - | 0.100 | |||||
| 314.528 | 0.0200 | - | 2.00 | 285.303 | 0.100 | - | 7.96 | Th | 401.913 | 0.00464 | - | 0.215 | ||||
| Co | 345.351 | 0.000100 | - | 0.00681 | 285.283 | 0.147 | - | 7.96 | 340.270 | 0.0100 | - | 1.00 | ||||
| 341.234 | 0.000215 | - | 0.0147 | Nb | 316.340 | 0.000681 | - | 0.100 | 332.513 | 0.0147 | - | 0.681 | ||||
| 344.917 | 0.000215 | - | 0.0316 | 319.498 | 0.000681 | - | 0.100 | 411.672 | 0.0316 | - | 0.681 | |||||
| 341.263 | 0.000464 | - | 0.0464 | 295.088 | 0.00100 | - | 0.100 | 287.041 | 0.0147 | - | 1.00 | |||||
| 339.538 | 0.00215 | - | 0.0681 | Nd | 430.357 | 0.00316 | - | 0.0681 | Ti | 264.426 | 0.00316 | - | 2.15 | |||
| 335.438 | 0.00316 | - | 0.316 | 435.817 | 0.00681 | - | 0.316 | 264.110 | 0.0100 | - | 2.15 | |||||
| 326.082 | 0.0316 | - | 1.47 | 438.566 | 0.0215 | - | 0.464 | 267.993 | 0.0464 | - | 10.0 | |||||
| 238.346 | 0.0316 | - | 2.15 | 436.863 | 0.0464 | - | 1.00 | 245.044 | 1.47 | - | 46.4 | |||||
| Cr | 357.869 | 0.000100 | - | 0.00147 | Ni | 305.082 | 0.000147 | - | 0.0316 | Tl | 377.572 | 0.00100 | - | 0.0215 | ||
| 302.435 | 0.000681 | - | 0.100 | 342.371 | 0.000316 | - | 0.0464 | 351.924 | 0.00100 | - | 0.0464 | |||||
| 301.519 | 0.00100 | - | 0.100 | 310.188 | 0.000681 | - | 0.0681 | 276.787 | 0.00215 | - | 0.316 | |||||
| 342.121 | 0.00316 | - | 0.681 | 294.391 | 0.00464 | - | 0.316 | 352.943 | 0.0147 | - | 0.316 | |||||
| Cu | 324.754 | 0.000100 | - | 0.00147 | 299.260 | 0.00464 | - | 0.316 | 237.969 | 0.100 | - | 1.00 | ||||
| 327.396 | 0.000100 | - | 0.00464 | 282.129 | 0.0316 | - | 1.00 | Tm | 346.220 | 0.000464 | - | 0.0215 | ||||
| 282.437 | 0.00316 | - | 0.147 | 340.953 | 0.0464 | - | 1.47 | 409.418 | 0.00215 | - | 0.0464 | |||||
| 301.084 | 0.0215 | - | 0.147 | Os | 330.156 | 0.00147 | - | 0.464 | 325.804 | 0.00215 | - | 0.100 | ||||
| Dy | 345.433 | 0.00215 | - | 0.100 | 326.795 | 0.00316 | - | 0.464 | 339.995 | 0.00464 | - | 0.100 | ||||
| 331.989 | 0.00464 | - | 0.100 | 290.906 | 0.00316 | - | 0.681 | U | 286.568 | 0.0215 | - | 1.00 | ||||
| Er | 323.059 | 0.000464 | - | 0.0681 | P | 255.493 | 0.0681 | - | 6.81 | 378.284 | 0.0464 | - | 1.00 | |||
| 332.320 | 0.00147 | - | 0.100 | Pb | 283.307 | 0.000681 | - | 0.0316 | 424.437 | 0.100 | - | 1.00 | ||||
| 322.073 | 0.0100 | - | 0.100 | 368.347 | 0.000681 | - | 0.0316 | V | 310.230 | 0.000100 | - | 0.0215 | ||||
| Eu | 412.973 | 0.000215 | - | 0.00681 | 363.958 | 0.00147 | - | 0.0461 | 318.341 | 0.000215 | - | 0.0316 | ||||
| 420.504 | 0.000316 | - | 0.00681 | 261.418 | 0.00215 | - | 0.100 | 311.838 | 0.000215 | - | 0.0464 | |||||
| 281.395 | 0.00147 | - | 0.100 | 266.317 | 0.00681 | - | 0.100 | 319.801 | 0.00147 | - | 0.100 | |||||
| 290.668 | 0.00464 | - | 0.100 | Pd | 324.270 | 0.000100 | - | 0.0100 | 267.932 | 0.00464 | - | 0.100 | ||||
| 272.778 | 0.00464 | - | 0.100 | 351.694 | 0.000464 | - | 0.0147 | W | 400.875 | 0.00147 | - | 0.215 | ||||
| Fe | 283.244 | 0.00743 | - | 1.60 | 346.077 | 0.000681 | - | 0.0215 | 289.645 | 0.00681 | - | 1.00 | ||||
| 294.134 | 0.0160 | - | 3.45 | 306.531 | 0.00316 | - | 0.464 | 294.698 | 0.0100 | - | 1.00 | |||||
| 317.545 | 0.0743 | - | 7.43 | Pr | 405.654 | 0.0100 | - | 0.100 | Y | 321.668 | 0.000147 | - | 0.0147 | |||
| 236.202 | 0.345 | - | 23.5 | 414.126 | 0.0147 | - | 0.100 | 324.228 | 0.000147 | - | 0.0147 | |||||
| 239.147 | 1.09 | - | 23.5 | 403.936 | 0.0147 | - | 0.100 | 332.788 | 0.000147 | - | 0.0316 | |||||
| Ga | 294.364 | 0.000147 | - | 0.0316 | Pt | 306.471 | 0.000215 | - | 0.0464 | 319.562 | 0.000681 | - | 0.0681 | |||
| 294.418 | 0.00147 | - | 0.100 | 299.797 | 0.000681 | - | 0.100 | 434.879 | 0.0464 | - | 1.00 | |||||
| Gd | 354.937 | 0.00316 | - | 0.100 | 265.945 | 0.000681 | - | 0.100 | Yb | 328.937 | 0.000015 | - | 0.00215 | |||
| 302.761 | 0.00316 | - | 0.100 | 283.030 | 0.00315 | - | 0.215 | 398.799 | 0.000100 | - | 0.00316 | |||||
| 333.139 | 0.00464 | - | 0.100 | 262.803 | 0.0215 | - | 0.464 | 289.138 | 0.000681 | - | 0.0464 | |||||
| Ge | 265.118 | 0.000464 | - | 0.0316 | 331.505 | 0.0316 | - | 1.00 | 345.407 | 0.00316 | - | 0.100 | ||||
| 303.906 | 0.000464 | - | 0.0316 | Re | 346.047 | 0.00100 | - | 0.147 | Zn | 334.502 | 0.00100 | - | 0.100 | |||
| 326.949 | 0.00147 | - | 0.147 | 346.472 | 0.00147 | - | 0.147 | 334.557 | 0.00681 | - | 0.681 | |||||
| 265.158 | 0.00316 | - | 0.147 | 334.620 | 0.100 | - | 1.00 | 277.087 | 0.0681 | - | 1.00 | |||||
| 241.737 | 0.0147 | - | 1.00 | 350.306 | 0.147 | - | 1.00 | Zr | 327.305 | 0.000316 | - | 0.100 | ||||
| Hf | 291.648 | 0.00147 | - | 0.464 | 264.905 | 0.316 | - | 1.00 | 327.927 | 0.000464 | - | 0.147 | ||||
| 339.980 | 0.00316 | - | 0.464 | Rh | 339.685 | 0.000215 | - | 0.0100 | 347.939 | 0.000681 | - | 0.316 | ||||
| 310.912 | 0.0147 | - | 1.00 | 346.204 | 0.000464 | - | 0.0316 | 348.115 | 0.00464 | - | 0.316 | |||||
| 318.905 | 0.0215 | - | 1.00 | 408.122 | 0.00681 | - | 0.464 | |||||||||
| 272.261 | 0.0100 | - | 2.15 | |||||||||||||
| 270.013 | 0.0147 | - | 2.15 | |||||||||||||
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