Colour tests for precursor chemicals of Amphetamine-Type Substances: The use of colour tests for distinguishing between Ephedrine-DerivativesAbstractEphedrine, norephedrine and pseudoephedrine have in recent years been subject to extensive illicit trafficking in many countries of the world. A simple chemical method, based on a combination of three known colour tests, is presented to differentiate these and other related ephedrine derivatives. The underlying chemistry is discussed. Details
UN document ID number: SCITEC/20
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