Tag: S.F. 599

Retailers Should Avoid Delta-8 THC For Now in Iowa

There’s a lot of buzz surrounding the availability of consumable hemp products now that the retail registration portal is open.  One of the more frequent questions we have been fielding concern the legal status of delta-8 THC in Iowa. Hemp is defined under state law to include “any part” of the plant of the genus cannabis and all “derivatives,” “extracts” and “cannabinoids” with a maximum delta-9 THC concentration of 0.30 percent.  So it would appear that delta-8 THC, a non-intoxicating cannabinoid found in hemp, would be legal to sell over the counter here, right? Not so fast. The amount of […]

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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 […]

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Common Police Field Test Mistakes CBD for Marijuana

Police have historically relied on the Duquénois-Levine (D-L) colorimetric field test to presumptively identify botanical material as Cannabis for the purpose of arresting a suspect for possession of marijuana. The reagent used in the D-L test reacts with a particular part of the THC molecule producing an intense violet color that is readily identifiable by law enforcement at the roadside.  However, the D-L test is not specific for just THC.  Many other cannabinoids, including hemp-derived extracts such as CBD, will yield similar purple hues in the presence of the reagent. Of course, these extracts are not marijuana under Iowa law, but […]

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