Conversion of CBD to THC with zeolite clinoptilolite
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THC produced from converted CBD is very potent.
It is nearly impossible to guesstimate the potency from home-made extraction, but even low potent extract significantly increases the risk of a psychosis compared to consumption of potent cannabis buds.
See also: Conversion of CBD to THC by heat, and conversion of CBD to THC with citric acid and water-based extraction.
Zeolite is a type of microporous aluminum silicon that contains negatively charged anions. When CBD is heated to around 100°C, these anions attract the CBD molecules and cause them to rotate, similar to the effect of acids.
Materials
- 1 g CBD
- 500 mg zeolite clinoptilolite
- 13 mm diameter non-sterile syringe filter with a 0.22 µm pore size hydrophilic PVDF membrane.
- 13 mm diameter non-sterile syringe filter with a 0.45 µm pore size hydrophilic PVDF membrane.
- 13 mm diameter non-sterile syringe filter with a 0.02 µm pore size hydrophilic PVDF membrane.
Procedures
- Mix the powder
- Heat it at 130 Celsius for 10 minutes. A simple glass beaker on a typical hob plate has been used (see this video, however, ideally a temperature regulated magnet stirrer is used.
- Let the solution cool.
- Dissolve it with 10 grams isopropyl alcohol (IPA), to make a liquid solution.
- Aluminum compounds should not be smoked nor ingested. Let the zeolite sediment. If you are eager, filter the zeolite.
- Pre-filter: 13 mm diameter non-sterile syringe filter with a 0.45 µm pore size hydrophilic PVDF membrane
- Filter: 13 mm diameter non-sterile syringe filter with a 0.22 µm pore size hydrophilic PVDF membrane
- Filter: 13 mm diameter non-sterile syringe filter with a 0.02 µm pore size hydrophilic PVDF membrane
- Add 20 grams seed oil (for example sunflower oil) if you are going to ingest it.
- Evaporate the IPA.
Expect the CBD to isomerize to 50% THC and 50% delta-8-THC.