Sunday 22 June 2014

What are uses of chromatography in crime investigation

There are many uses of chromatography in crime investigation so let us check it out one by one. As we know that chromatography is the method of separation of components from a mixture based on the chemical properties, the samples which are collected at the spot of crime are sent to forensic department , and are detected using chromatography technique which directly or indirectly helps to find the person who has committed crime. So let us check it out some of the uses of chromatography which are as follows.

Uses of chromatography in crime investigation are:-

  1. Blood sample can be detected by using chromatography.
  2. Chemical sample which is found at the crime spot can also be identified  by the use of chromatography.
  3. Sample mixture of gas as well as liquid or solid can by identified by various methods such as gas chromatography, liquid chromatography, solid chromatography or thin layer chromatography.
  4. Forensic department takes item from the seen and by use of chromatography they match the DNA in records and if matched then criminal can be identified.
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