Abstract
A new method for determination of the non-constant component, α(E), of an ion mobility, k(E), is suggested. The method uses the relationship U C (U S ) that can be experimentally obtained with a spectrometer of ion mobility increment with planar drift chamber. (U C is a compensating voltage, U S is separating voltage amplitude.) A general equation for α(E) has been derived. We have explored the possibility of determination of α(E) from the experimental data for different types of U S (t). In two specific cases, analytical solutions have been obtained.
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