Die Bedeutung der Emissionsspektrographie in der Kriminalistik

Abstract

The importance of the emission spectrography in the trace investigation with the elucidation of crimes is demonstrated by some practical cases.
This physico-chemical analysis method which is well known for its extremely high sensibility is especially suited to analyse microscopically small traces. This is a great advantage in view of the more and more refined action methods of criminals.
A new preparation technique was developed by which the trace-material can be tabletted by an especially constructed pressingtool. A short colour film has been turned at the Laboratory of Criminal Technique at the Prosecutor’s Office Basle-City, demonstrating the principle of the emission spectrography and the preparation-technique.
In connexion with other micro-methods as: microscopy, microcristallization, paper and thin-layer chromatography, microfluorescence and infrared photography, the emission spectrography is valuable method which should not be missed at an analytically working police laboratory.