Element: Argon Transitions: All Sorted by Transition Ele. A Trans. Theory (eV) Unc. (eV) Direct (eV) Unc. (eV) Combined (eV) Unc. (eV) Vapor (eV) Unc. (eV) Blend Ref. Ar KL1 2880.13 0.33 Ar KL2 2955.89 0.43 2955.566 0.016 4d Ar KL3 2957.90 0.42 2957.682 0.016 4d Ar KM1 3177.4 1.5 Ar KM2 3191.31 0.58 3190.49 0.24 KM2,3 1d Ar KM3 3191.47 0.58 3190.49 0.24 KM2,3 1d Ar K edge 3207.44 0.12 3202.933 0.061 3206.14 0.54 1d Ar L1M1 297.3 1.6 Ar L1M2 311.18 0.69 Ar L1M3 311.35 0.69 Ar L1 edge 327.31 0.23 326.30 0.10 Ar L2M1 221.5 1.7 221.79 0.59 1d Ar L2M2 235.41 0.78 Ar L2M3 235.58 0.78 Ar L2 edge 251.55 0.32 250.57 0.27 Ar L3M1 219.52 0.77 220.22 0.58 1d Ar L3M2 233.40 0.77 Ar L3M3 233.57 0.77 Ar L3 edge 249.54 0.31 248.46 0.53