seescience.org X-ray Data for the Elements

Select Element for X-ray Properties

H He
Li Be B C N O F Ne
Na Mg Al Si P S Cl Ar
K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr
Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe
Cs Ba La Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn
Fr Ra Ac
Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu
Th Pa U Np Pu Am Cm Bk Cf



Atomic Data for K
 Property     Value 
  Atomic Number:   19
  Atomic Mass:   39.0983
  Density (gm / cm^3):   0.89
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X-ray absorption edges for K
  Edge     Energy (eV)     Width (eV)   Fluorescence Yield   Edge Jump
    K   3608.4   0.740   0.13207   9.163
    L1   378.6   1.920   0.00024   1.114
    L2   297.3   0.152   0.00027   1.400
    L3   294.6   0.156   0.00027   10.980
    M1   34.8   0.695   0.00001   1.000
    M2   18.3   0.001   0.00000   1.000
    M3   18.3   0.001   0.00000   1.000
X-ray fluorescence lines for K
  Line     Energy (eV)     Intensity
    Ka1 (K - L3 )   3313.8   0.58715
    Ka2 (K - L2 )   3311.1   0.29475
    Ka3 (K - L1 )   3229.8   0.00020
    Kb1 (K - M3 )   3590.1   0.07766
    Kb3 (K - M2 )   3590.1   0.04023
    Lb3 (L1 - M3 )   360.3   0.58617
    Lb4 (L1 - M2 )   360.3   0.41383
    Ll (L3 - M1 )   259.8   1.00000
    Ln (L2 - M1 )   262.5   1.00000