Opportunity of objective account of the colorimetric procedure using benzidine indicative at establishing the preliminary presence of blood on the material evidences

Abstract

The article presents a modification of the colorimetric method for the preliminary establishment of presence of blood in the stainson the material evidences using benzidine test. The proposed modification is accompanied by photometric accounting and computer processing of the results. Performance, objectivity, as well as other features and advantages of this method when used in forensic practice are described in detail.