Sunday 23 July 2017

How the drug detector works

THE test kit used to find traces of heroin in RTE can pinpoint four drugs using special equipment.

  • Cannabis, heroin, methamphetamines and amphetamines can all be detected using 'Detect 4 Drugs'.
  • Surfaces are wiped with a piece of specially designed paper.
  • The paper is then sprayed with a chemical.
  • Traces of different drugs then appear as different colours on paper. For example, heroin appears as purple.

Irish Independent

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