Problems with the Identification of CBD by Thin Layer Chromatography
Thin layer chromatography (TLC) is a well-known qualitative laboratory technique to separate, detect and identify plant material extracts that have been processed so they longer possess botanical characteristics that can be observed through macro and microscopic analysis. This includes cannabis products like gummies, truffles, bars and other edibles, but also substances like tar, ground plant material and oils. In the FAQ section of the Iowa Division of Criminal Investigation Criminalistic Laboratory – Drug Identification website (https://dps.iowa.gov/divisions/criminal-investigation/criminalistics-laboratory/drug-identification), testing for controlled substances includes: The net weight (weight of substance without packaging) of the substance is recorded prior to any sampling and then […]
