The Thermionic Properties of Chromium

The spectral emissivity, the temperature scale, and the electron work function of chromium have been determined. The emissivity is found to be 0.334 for a wave-length of 6690A and the value found for the electron work function is 4.60 volts with an $A$ for Richardson's equation of 48 amp/${\mathrm{cm}}^2$/${\mathit{T}}^2$.