UPDATE September 22, 2014: Ms. Habib notes: CBDA is an important standard but wasn’t available commercially. It is now available commercially.
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Is THC content is a practical tax base for marijuana concentrates? I asked Rose Habib. She was part of the BOTEC team that worked on Washington’s marijuana laws, and is an analytical chemist with Cannabanalysis Laboratories in Montana, http://cannabanalysis.com.
To restate the question, can different labs measure liquid alcohol extracts and come back with THC results that are very different?
We have a good way to go. Here’s Ms. Habib’s full answer:
It is true that labs currently could take the same alcohol extract and get different results. Because of the homogeneity of the sample, we know that this is not because of sample irregularities, we can easily attribute that to lack of analytical accuracy.
In other industries like pharma or supplements or cGMP regulated industries there are validated methods Continue reading “Taxing marijuana potency – Rose Habib”