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Chemical Sciences: A Manual for CSIR-UGC National Eligibility Test for Lectureship and JRF/Appearance energy
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Appearance energy (also known as appearance potential) is the minimum energy that must be supplied to a gas phase atom or molecule in order to produce an ion.Appearance energy A00421 In electron ionization, this is the minimum electron energy that produces an ion. Kerwin Larkin 1960 Recent Appearance Potential Measurements Using an Electrostatic Electron Selector Journal of Applied Physics 31 2071 10.1063/1.1735504 Marmet Paul In photoionization it is the minimum photon energy.
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