A combined colour may be obtained when more than one drug is present or the drug itself is coloured, which limits the value of the tests for
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Some of the commonly used colour tests include cobalt thiocyanate (Scott Test for cocaine and related drugs), Marquis (for alkaloids, amphetamines, and opium-
Subject: Forensic Science Paper: Drugs of Abuse. Colour Tests for Drug Identification (FSC). 8 years ago
tests for on-site and point of seizure drugs-detection. Intensity of colour change is proportional to the concentration of drug under test
drug-protein conjugate and a visible coloured line will show up in the test A drug-positive urine specimen will not generate a coloured line in the specific
Even the colour and smell of your urine can give doctors clues about Urine can be used to test for drugs. There are simple tests that can be done
A clear colour change reveals the identity of a drug. Cocaine can additionally be detected with a wipe test on surfaces and clothing. Substance tests based on
Reagent testing is the most accessible but least accurate type of testing available. They work by changing colour in the presence of different drugs.
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