cannabis-distillation

GMP for Cannabis and Hemp Oil Distillation

GMP asks the question: How do we know that the distillation equipment is operating correctly? A well designed set of GMP documents will ensure that all aspects of the equipment are installed, operating and performing correctly along with supporting documents. This assurance gives us confidence that the distillates made by the distillation system are consistently […]

Water washing hemp extract

Water-solubles in your distillate can gum up the works. Along with reducing your potency, they cause color in the final product and leave behind sludgy residue when distilling. Most extractions bring some water-soluble components into the extract. These components come from the cells in the plant. Even butane or CO2 extractions can pull some. With […]

Bulk distillate versus small batch appearance comparison

When buying cannabinoid products in bulk,  you will often find yourself thinking about the color. Color can be an important indicator of quality in some cases. No one has any desire to consume a concentrated black tar. Color is not the only indicator of purity though. Test results from a certified lab should do most […]

An example of an upgraded rotovap style solvent recovery system by Ecodyst.

Solvent recovery is an essential part of any hemp or cannabis lab. Whether you extract with a liquid solvent or winterize, you will need a method of bulk recovery.   Not to be confused with solvent recycling, solvent recovery is the process of removing the vast majority or all of the solvent in your crude […]

Crystallize CBD

Disclaimer – this post does not address all the safety issues for crystallization of CBD, Pentane and other volatiles can be very dangerous due to their low flash points.  Don’t try this without consulting your safety officer and evaluating all of the possible safety concerns. As always, wear safety glasses and other personal protective gear […]

terpenes derived from cannabis

Tips For Successful Cannabis Terpene Distillation   Refined cannabinoids such as THC or CBD are some of the most commonly sought after compounds when performing a vacuum distillation process on crude cannabis extract. However, non-degraded terpenes can also be collected from certain material using properly configured cannabis distillation equipment.   In order to successfully distill […]

cannabis distillation time line

How are THC/CBD products such as vape cartridges, dabs and edibles created?                 Grow It It all starts with “the grow”.  Most cannabis grows are done in a controlled room. Light, water, temperature and other environmental factors are carefully regulated to maximize cannabinoid production. Cannabis plant genetics are […]

Vacuum Pump and Cold Trap

Vacuum pump oil contamination can prevent a distillation system from reaching low vacuums (0.01 mmHg) ideal for THC and CBD distillations.  Sometimes terpenes can sneak past the cold trap and spoil the vacuum pump oil. A little bit of contamination can cause a lot of havoc in a vacuum pump. Here are a few tips […]

multiple stage distillation

Simple distillation Simple distillation is a single stage distillation where a liquid mixture is boiled and the resulting vapor condensed. Wiped film and short path distillation are examples of single stage distillation. Simple distillation can provide a moderate improvement in purity. It is useful in situations where you are attempting to separate compounds with very […]

Make high quality THC distillate

Many people unfamiliar with the nuances of cannabis refinement often believe that a pass (or two) of crude extract through the proper cannabis distillation equipment is all that’s required to produce a high potency Δ9 THC distillate product. While it may be possible to distill mystery cannabis crude extract into 95% THC with short path […]