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Air Absorption Corrections for Soft X Rays*

Commonwealth X-ray and Radium Laboratory, University of Melbourne

This excerpt was created in the absence of an abstract.

A knowledge of the air absorption corrections for X rays is required when measuring X-ray dosage with a standard chamber. Values for the absorption for beams varying in half-value layer from 0·5 to 6·0 mm. of aluminium have been determined using a number of methods.