I tried passing some dark green cannabinoid solution through some activated carbon and was highly impressed with the improvement in color and clarity. I understand some loss of desirable compounds is to be expected.
I placed some activated carbon in a 90mm porcelain buchner funnel with a pre-wetted qualitative filter paper. It may have been enough carbon to make a cake 2 cm high. I added enough ethanol to the carbon to make a slurry and applied the vacuum to the flask to make the carbon like a cake.
I then started passing some of the dark green solution through my filter, under vacuum, and watched the liquid emerge from the bottom of the funnel and drop into the filter flask. I was curious to see it was appearing light yellow. I was surprised after about 200 ml I had no more green and a very nice yellow-gold looking solution with excellent clarity.
I also tried passing some of this dark green stuff through some ground up diatomaceous earth but didn't see much of a change.
I also tried mixing a couple of table spoons with the DE and got an improvement in clarity (the red pigment was gone) but the green was definitely still there.
How much of the cannabinoids and terpenes can I expected to be retained by the charcoal?
Is there a better way to remove the pigments (the dark red pigment and chlorophyll)?
Is there a suggested ratio of mass of carbon to liter of solution?
I placed some activated carbon in a 90mm porcelain buchner funnel with a pre-wetted qualitative filter paper. It may have been enough carbon to make a cake 2 cm high. I added enough ethanol to the carbon to make a slurry and applied the vacuum to the flask to make the carbon like a cake.
I then started passing some of the dark green solution through my filter, under vacuum, and watched the liquid emerge from the bottom of the funnel and drop into the filter flask. I was curious to see it was appearing light yellow. I was surprised after about 200 ml I had no more green and a very nice yellow-gold looking solution with excellent clarity.
I also tried passing some of this dark green stuff through some ground up diatomaceous earth but didn't see much of a change.
I also tried mixing a couple of table spoons with the DE and got an improvement in clarity (the red pigment was gone) but the green was definitely still there.
How much of the cannabinoids and terpenes can I expected to be retained by the charcoal?
Is there a better way to remove the pigments (the dark red pigment and chlorophyll)?
Is there a suggested ratio of mass of carbon to liter of solution?