IXAS 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)     Fluorescence Yield   Edge Jump
    K   3608.4   0.13207   9.163
    L1   378.6   0.00024   1.114
    L2   297.3   0.00027   1.400
    L3   294.6   0.00027   10.980
    M1   34.8   0.00001   1.000
    M2   18.3   0.00000   1.000
    M3   18.3   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