can some one who knows the answer please tell me if it is possible to separate Delta 8 from Delta 9
vi reverse phase chromatography.
and if not is there another way to separate them
pleeeasse answer this information it is very important to me.
thankyou
Everything can be separated, it’s more a question of efficiency.
Are you ok with spending a 2.5 hour run to separate 10 grams of material with a 30% yield?
so lets say we have 10% delta 9 and 90% delta 8 does that mean that
in 2.5 hours with a really slow solvent I would get about 28% delta 8 pure ?
or out of 10 grams of substance I would get 2.8g of delta 8
what about cpc instead.
CPC works a little better, but you’re looking at running multiple passes on CPC to get to your desired goal.
so they are getting the 0.3 delta 9 via reaction then.
it is HCl
I’ve heard some speculation that they’re separable via distillation provided that there’s no CBD remaining. I’m building myself a short path rig with lots of vigerueux and a dephlegmator in order to test this theory. Buzz me in a couple weeks if you haven’t heard me post anything 
your not using a fractionating column on delta 8 and 9 I think.
but we shall see
Yup that’s my plan. I know some people managed to get a 90% d9 10% d8 starting up to 95% d9 fraction. They can separate via distillation better than something like CBD and d9
Does the D8 have a lower boiling point than D9? I really need to get a nice vac controller so I can start recording the various boiling points at certain vac levels
Higher bp
like how much higher ?
Good luck. I’ve been told it’s possible but even with an extra 300mm vig column I had no luck
2-3c higher I think but I’ve seen people state it’s as high as 12c difference
waist of time
you will never separate that with any kind of distillation.
I have had some success with lowering the d9 on hot CBD disty with spd after its sat for a couple months. We’re only talking a point or two, but that’s 25-50%. I have not tried it with d8 yet tho. Seems the oxidation then redistillation might play a role?
some basics
as we put vacuum on a substance its boiling point lowers.
this happens for all liquids.
if we have two substances with two different boiling points lets say 100C and 150C
when we lower the pressure the boiling points become closer.
this is not worked out so expect it to be wrong but for example
the 100 becomes 20C and the 150 becomes 28C
as you can see now we have only 8 degrees difference instead of 50.
thats only a small pressure drop when your dealing with THC we are talking way over 300C
so the pressure drop is much much more and the boiliing point difference will get much closer.
now a good fractionating column is measured in plates.
the more plates the better the separation.
also the better the separation the more reflux rate you have so the longer it is spent in the heat
deteriorating.
so your maybe at best 12 degrees will be 1 or 2 degrees if your really really luck (probably more like a fraction of a degree)
for a separation and not a good one we expect around 20 degrees separation.
you didont even have that before the vacuum.
it wont work without multiple meters of column and then your reflux rate will be so high that
the molecule will be cracked.
Pressure swing, my guy
thats one way to put it 
A dephlgmator on my spirit still takes my efficiency from an 80% maximum ABV to 95% ABV by inducing highly controlled reflux. I’m theorizing by pulsing the coolant at the top of the column I’ll be able to get much better separation.
In my spirit distillation I make sure I’ve had at least 30 minutes or more of full reflux before I let any compounds come through. I’d imagine some better separation would occur if proper reflux was attained, not just adding plates.
your dealing with azeotrope in ethanol it is a different thing
plus there is no vac and as rowan put it no pressure swing