Impurity distributions in a magnesium sublimates

The dependence of character of impurities distributions in thickness of vacuum sublimation magnesium condensate from its purity is ascertained. The condensate with summary impurities concentration approx 10^-3 mas.% has more uniform impurities distribution and bigger part of impurities with monotonic distribution than the condensate with summary impurities concentration approx 10^-2 mas.%. The impurity concentrations on the surface of rest exceed the impurity concentration inside the rest on moving off 2μm from surface in 2-600 times (at initial summary impurity concentration approx 10^-1 mas.%).