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Opium Column Chromatography by Bombastus Werrywag - Tue, 11 Jul 2017 21:56:30 EST ID:QGxEeR56 No.78746 Ignore Report Reply Quick Reply
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Without calcium chelation, this is the best way to achieve pure morphine from a layer of puddy or otherwise concentrated poppy residue.

A mixture of 9:1:1 DCM Methanol Diethylamine will produce an elution of reticuline impurities at 0.7-0.9, codeine at 0.45, and morphine at 0.2. Other opium oils either elute at 1 and heavier, coloured oils will not elute at all (or under 0.02).

Running this column simulation once gave me morphine as light brown needles which drew in moisture and became wet after 3 hours. The second time, morphine did not completely come through as shown on TLC short wave UV light as what I expected to be high amounts of meconate salts along with insufficient methanol miscibility. This was solved by adding an additional 1 equivalent of methanol thereby moving the morphine. This gave darker brown crystals which again absorbed water after 3 hours. Full morphine elution towards 100% in a gradient column gave 2% of brown oils. This potentially allows a column to remove codeine and oils and a methanol flush to remove the morphine with a 5-10% heavy oil contamination.

Will update this thread with more conclusions and projections.
13 posts and 2 images omitted. Click Reply to view.
press !XIxc6BpKnU - Wed, 06 Sep 2017 10:17:54 EST ID:cWIAjghj No.78837 Ignore Report Quick Reply
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its not hate. i think the kids nowadays call it tsundere. thats basically chinese for trying hard to get.
ill compile the few papers ive got so far soon, damn shame 420chan doesnt support pdfs.
David Buzzwell - Wed, 06 Sep 2017 14:48:20 EST ID:hBAZGxou No.78838 Ignore Report Quick Reply
Mesylic acid? I'm pretty sure methanesulfonate isn't nucleophilic enough to attack an ether. Most demethylations I'm used to hearing about use hydrobromic acid or pyridine hydrochloride. Hydrogen iodide is very effective but also expensive.

you can use Zn powder / hydrochloric acid to reduce terminal nitrostyrenes like for mescaline; it's really just nitropropenes that are "hard" to reduce (although Al/Hg licks it)

Aureolus Werrywag - Thu, 07 Sep 2017 00:47:08 EST ID:HizIkIMY No.78839 Ignore Report Quick Reply
droopbox it up fam

there's some paper here that requires something i can't remember
or you can go with hydrobromic acid in acetic acid solution but that's harder to find.
Aureolus Werrywag - Thu, 07 Sep 2017 00:53:36 EST ID:HizIkIMY No.78840 Ignore Report Quick Reply

Also US patent US5071985
A mixture of 3.15 g (10-2 mole) of oxycodone, 28.3 g (3.10-1 mole) of methanesulfonic acid and 2.2 g (1.5.10-2 mole) of DL-methionine are heated to 40° and stirred at 12 hours.
Precipitate with ammonia to 9, extract with DCM. Chloroform column with a methanol gradient. 72% yield.
Theophrastus Werrywag - Sun, 01 Oct 2017 01:08:19 EST ID:m5AB1YJF No.78874 Ignore Report Quick Reply
Ima just save this here







Comment too long. Click here to view the full text.

Psilocetin by Sidney Chuffingdock - Fri, 15 Sep 2017 18:22:23 EST ID:yzU9mG3u No.78851 Ignore Report Reply Quick Reply
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How do you properly synthesize 4-aco-dmt
Steps, glassware needed
Proper chemistry explained please
Beatrice Sinningleck - Fri, 15 Sep 2017 20:21:51 EST ID:ns8cUDqD No.78852 Ignore Report Quick Reply
Bombastus Werrywag - Fri, 15 Sep 2017 23:50:12 EST ID:H0bl+OaX No.78853 Ignore Report Quick Reply
extract psilocin from shrooms
reflux in acid
add acetic anhydride
Thomas Grandbanks - Wed, 20 Sep 2017 17:08:25 EST ID:hBAZGxou No.78859 Ignore Report Quick Reply
this is basically impossible because psilocin is very unstable and so doing ordinary unqualified idiot garage chemistry on psilocin will turn it into useless polymers. if you freeze-dry the mushrooms, grind them up, extract into water under nitrogen, hydrolyse with alkali for a few hours also under nitrogen, extract into chloroform under nitrogen, and treat this with acetic anhydride and pyridine under nitrogen, maybe you have a chance. but you've probably not even considered that the whole rxn has to occur "under nitrogen" or that e.g. reflux in acid as one dumbass said will tear apart that indole like a dog playing with a soccer ball. furthermore it's not even any more potent than what you started with so you're wasting mushrooms. and if you meant to do the synthesis from scratch, you have absolutely no chance so just read the tihkal entry and sob quietly about your inability to acquire 4-hydroxyindole, oxalyl chloride, dimethylamine, or LAH.
Schepperschop - Sat, 23 Sep 2017 08:34:06 EST ID:xTIigKo1 No.78867 Ignore Report Quick Reply
Enjoy your fungal infection
Lydia Honeystock - Sat, 30 Sep 2017 06:28:55 EST ID:H2dReURr No.78872 Ignore Report Quick Reply
This may sound retarded... but I've been dreaming of a psilocybe gut flora or equivalent. Just imagine it.. whenever you ate too much grain, you'd be tripping balls!

Ketamine by Hedda Bannerhudge - Wed, 20 Sep 2017 11:01:09 EST ID:VYddMeH/ No.78854 Ignore Report Reply Quick Reply
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Can you use a dehumidifier to dry 0.5-1liter of liquid ketamine or would it suck up some of the ket as well (I know of the other methods)

How do you flavour ket.Do you just simply add in some food flavouring liquid while you are drying it ? How do you workout how much to add into it ?
2 posts and 1 images omitted. Click Reply to view.
press !XIxc6BpKnU - Thu, 21 Sep 2017 04:59:16 EST ID:NK/Aohbx No.78861 Ignore Report Quick Reply
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okay, thats fucking retarded but okay. i dont recommend throwing vanillin into your nostrils but whos gonna stop you.atleast its not menthol

you could theoretically dry your ketamin by placing the solution next to a dehumidifier preferably in a airtight container, but its going to take much longer than just throwing it in a glas pan and carefully heating it. then just scrape it up, grind in a mortar and slowly add small portions of pure vanillin - not fucking baking aroma - and keep grinding. sample and repeat until youre either cant feel your face anymore or are deep in the flavour town hole
press !XIxc6BpKnU - Thu, 21 Sep 2017 15:24:58 EST ID:OHYz+LTM No.78862 Ignore Report Quick Reply
if you intend to sell your vanilla sugar, to anybody that you do not upfront inform of such stupidity, you should feel really bad nb
Archie Blittingmurk - Mon, 25 Sep 2017 17:01:57 EST ID:+YUSEic8 No.78869 Ignore Report Quick Reply
if someone had "vanilla K" i'd refuse to buy... unless i was desperate for K for some reason.
Eliza Dozzlehall - Thu, 28 Sep 2017 20:17:54 EST ID:qV/Fy1Bz No.78870 Ignore Report Quick Reply
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I can't even comprehend him writing all of this and thinking it's a good career choice unironically.
Lydia Honeystock - Sat, 30 Sep 2017 06:26:05 EST ID:H2dReURr No.78871 Ignore Report Quick Reply
What if it had sassafras extract as flavoring?

A /chem/ thread not about drugs by Poolboy Steve - Wed, 20 Sep 2017 11:31:48 EST ID:yU3xLtgU No.78855 Ignore Report Reply Quick Reply
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This is a thread about pool chemistry since it's pertinent and relevant to my daily duties.

What I wanna know is if Sodium Bicarbonate has a pH of about 8 how then is it helping me keep my pH between 7.4-7.8?

Seriously, this is the hardest thing to explain to non chemistry enthusiast coworkers of mine. That and the relationship between Cyanuric Acid and Free Chlorine
2 posts and 1 images omitted. Click Reply to view.
Basil Clumblehall - Thu, 21 Sep 2017 16:00:09 EST ID:d8sALoQJ No.78863 Ignore Report Quick Reply
Well giving the pH value of anything assumes it's in a solution and since pOH and pH exist in equilibrium one can be calculated from the other which is why we just use pH. And I get that it forms a buffer I'm wanting to know chemistry specifics because I've been googling for months with no clear answer. Nobody cares how it works they just use it. I understand it has something to do with the controlled release of H+ and OH- in some sorta cycle.
press !XIxc6BpKnU - Fri, 22 Sep 2017 05:34:58 EST ID:OHYz+LTM No.78864 Ignore Report Quick Reply
specifics on the carbonate/bicarbonate buffer system or on the "chlorine buffering" of cyanuric acid? whats your level in chemistry?
Priscilla Summleworth - Fri, 22 Sep 2017 18:43:30 EST ID:hBAZGxou No.78865 Ignore Report Quick Reply
b/c it's dilute silly

didn't you ever have a chemistry set as a kid? dilution is like one of the only things you can even do with them these days

if you add 100 gallons of pH 8 to 1000 gallons of pure water you're gonna get a pH of like 7.2
Bombastus Werrywag - Fri, 22 Sep 2017 22:59:16 EST ID:TigEi9EW No.78866 Ignore Report Quick Reply
dilute... or dilaudid?
Phineas Blatherman - Sun, 24 Sep 2017 16:43:22 EST ID:EmAQ3RSJ No.78868 Ignore Report Quick Reply
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My level in chemistry is like 1000 level course in college plus more reading on my own. I understand how cyanuric bonds to the FC to keep it in the pool. I'm fuzzy on the carbonate buffering. pH is wacky in a few places and I'm trying to pin down a cause and also they may have me train employees and I like to know everything and assume others would as well instead of having to dig for the information like me.

Tree growing by Ian Blackfuck - Sun, 18 Jun 2017 11:26:00 EST ID:ZPX2kpEE No.78694 Ignore Report Reply Quick Reply
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I just read on circlejerk that some trees can reach 100ft to 300ft in a matter of a few years, if this is true why dont we just farm trees instead of cutting down rain forests?

I mean it seems possible, you might have to stick to certain types of wood but still, on top of that you could plant a shit load more trees to help with climate change.

I'm no expert though, just some thoughts.
12 posts omitted. Click Reply to view.
Bombastus Werrywag - Tue, 11 Jul 2017 17:33:42 EST ID:QGxEeR56 No.78743 Ignore Report Quick Reply
Hemp is not a tree.

He is right, otherwise and as a general rule of thumb.
Frederick Hinkindock - Sat, 29 Jul 2017 06:16:23 EST ID:/I6TPxLI No.78757 Ignore Report Quick Reply

Bamboo just called. Told me to say what up to Hemp, and fuck off to OP.
Barnaby Hallyspear - Mon, 04 Sep 2017 04:09:20 EST ID:W4pZU8sF No.78826 Ignore Report Quick Reply
>>78757 bamboo is also not a tree
Aureolus Werrywag - Thu, 07 Sep 2017 00:54:53 EST ID:HizIkIMY No.78841 Ignore Report Quick Reply
make like a tree and fuck off

Nell Cinkinped - Thu, 07 Sep 2017 14:53:13 EST ID:hBAZGxou No.78842 Ignore Report Quick Reply
bamboo and hemp are both very strong in tension but also very flexible and therefore not very strong in compression. there are different kinds of strength required for different applications

Dutch team thinks liquid metal can help cool nuclear fusion reactor walls by Fucking Pittridge - Mon, 07 Aug 2017 07:34:27 EST ID:X+zhyYNN No.78770 Ignore Report Reply Quick Reply
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My penis is so rock hard right now.

6 posts and 1 images omitted. Click Reply to view.
Schepperschop - Fri, 01 Sep 2017 11:13:13 EST ID:81NLKdBS No.78812 Ignore Report Quick Reply
I have never looked a woman I love directly in the eyes .
Wesley Menkinput - Fri, 01 Sep 2017 11:41:35 EST ID:m/qfXvjQ No.78813 Ignore Report Quick Reply
Do they also think that jet fuel can melt steel beams?
press !XIxc6BpKnU - Fri, 01 Sep 2017 15:18:42 EST ID:PJ0/E4z+ No.78814 Ignore Report Quick Reply
ill never look you in the eye as i fuck your fat as fat ass ass. i promise balls wont touch.
shitpost quota filled.
Schepperschop - Sun, 03 Sep 2017 18:47:58 EST ID:81NLKdBS No.78823 Ignore Report Quick Reply
You dont know what love is you are a homosexual.
Theophrastus Werrywag - Mon, 04 Sep 2017 05:38:16 EST ID:npebQgFy No.78828 Ignore Report Quick Reply
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can i play pls

Cones rods by Cedric Sippernuck - Sun, 20 Aug 2017 22:54:37 EST ID:72cJMkb0 No.78777 Ignore Report Reply Quick Reply
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How many molecules of air can your iris pik up?
Aka. How much in a single dot of air
press !XIxc6BpKnU - Mon, 21 Aug 2017 13:55:30 EST ID:4nxfeQuz No.78778 Ignore Report Quick Reply
metric or imperial dots?
Edwin Trotway - Wed, 30 Aug 2017 01:03:57 EST ID:vSFc8qUQ No.78800 Ignore Report Quick Reply
how many photons or something?? or are you talking about field of view. Field of view is pretty blurry lines as far as what is being fully perceived and what is peripheral.
Charles Pockford - Sun, 03 Sep 2017 14:05:40 EST ID:+YUSEic8 No.78819 Ignore Report Quick Reply
This is the funniest comment on 420chan right now
Schepperschop - Sun, 03 Sep 2017 18:42:33 EST ID:81NLKdBS No.78821 Ignore Report Quick Reply
Thats not even your oppinion man.

genetic diversity by Barnaby Pellerfore - Tue, 04 Jul 2017 23:34:57 EST ID:BSeQaa1k No.78720 Ignore Report Reply Quick Reply
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How important is genetic diversity?

My mother and father are very far removed, my father being mostly Slavic/Eastern European, and my mother being mainly Celtic. My paternal grandparents are also very distant from each other, my paternal grandmother being Russian/Belarusian, and my paternal grandfather being Ukrainian and Turkish. However, it turns out that my maternal grandparents are third or fourth cousins, so I guess there is some inbreeding there. Realistically, what are the impacts of this?
13 posts and 1 images omitted. Click Reply to view.
Schepperschop - Fri, 01 Sep 2017 03:30:58 EST ID:81NLKdBS No.78805 Ignore Report Quick Reply
If you think anal is horny stick a finger up your asshole and tell me truthfully if it was nice if it was love if it felt wonderfull.
I dont believe anal is good
stupid gay
Schepperschop - Fri, 01 Sep 2017 03:32:48 EST ID:81NLKdBS No.78806 Ignore Report Quick Reply
Queers are wierd.
Schepperschop - Fri, 01 Sep 2017 03:34:33 EST ID:81NLKdBS No.78807 Ignore Report Quick Reply
have you heared no-one likes gays?
Fucking Gendlehick - Fri, 01 Sep 2017 09:11:29 EST ID:4tmtdVyg No.78808 Ignore Report Quick Reply
>ITT: Muslims
press !XIxc6BpKnU - Fri, 01 Sep 2017 11:05:51 EST ID:ak42GqP4 No.78811 Ignore Report Quick Reply
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ethanol without methanol by Sick Phalange - Sat, 05 Aug 2017 11:06:50 EST ID:Sj2brtVd No.78760 Ignore Report Reply Quick Reply
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I got some 70% denatured alcohol but now I hear it is deliberately poisoned with methanol to prevent consumption (what kind of asshole would do such a thing is beyond me). Do you know of any way to get a solution of just ethanol, without methanol, from common shops?
1 posts omitted. Click Reply to view.
fartsy McAnEducatedChemist. - Sat, 05 Aug 2017 19:59:29 EST ID:RqIP/IlU No.78762 Ignore Report Quick Reply
if it is methanol, it can be removed using fractional distillation.

if that term is unknown to you then research is needed to not kill yourself. if you don't know, you likely do not have the skills required.

i do not advocate this method. try brewing your own alcohol. it is stupidly easy once you know how to do it and you can make 18% alcohol for like $1/liter
fartsy McAnEducatedChemist. - Sat, 05 Aug 2017 20:03:17 EST ID:RqIP/IlU No.78763 Ignore Report Quick Reply
an easy way to do it is to get EC1118 yeast and add it to water that has been boiled with the sugar.

my equation based off of experience is [desired alcohol content]x20x[final volume in liters] = [total grams of sugar needed]

for example 21L of 18% alcohol would require 21L*20*18=7560g of sugar.

you can add fruit or juice or whatever to make it taste better. research brewing for the rest of the details.
Hedda Saffingchad - Mon, 07 Aug 2017 03:46:53 EST ID:+YUSEic8 No.78768 Ignore Report Quick Reply
18% is probably a bit high without the turbo yeasts, the highest % i've managed was 15% with a very good yeast. But you can get up to around 30% with freeze distillation (fractional freezing)
press !XIxc6BpKnU - Mon, 07 Aug 2017 04:02:05 EST ID:PJ0/E4z+ No.78769 Ignore Report Quick Reply
1502092925674.png -(149512B / 146.01KB, 391x391) Thumbnail displayed, click image for full size.
  1. mix water, yeast nutrients, tomato paste and citric acid
  2. make yeast starter
  3. add yeast to the sugar sludge
  4. build still while waiting for fermentation and settling to complete

or just order non denaturated hooch on the internet
Bombastus Werrywag - Mon, 07 Aug 2017 09:04:18 EST ID:RP4l/Dxt No.78771 Ignore Report Quick Reply
To my knowledge, methanol doesn't form an azeotrope with ethanol. Anhydrous samples can be distiled and collected that way. If it's 30% methanol, you can just distill out 30ml of a 100ml sample and it should be fine once the temperature reaches 75C

ALIENS! by HELP - Tue, 13 Jun 2017 06:18:18 EST ID:aZjxDii8 No.78682 Ignore Report Reply Quick Reply
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in businesses there's a book that has a phone number for a place you call in case of extra terrestrials, what's their number?
someone should call them and let them know that you've found an alien who's claiming key word: Jesus Christ!
1 posts omitted. Click Reply to view.
Bombastus !uYErosQbLM!!Mybq1UbK - Mon, 19 Jun 2017 13:34:39 EST ID:/YEP+Iv0 No.78698 Ignore Report Quick Reply
I love this info-graphic.
>cadmium, arsenic
i'll give you that one
>ammonia, toluene, methanol, acetic acid, hexamine
most combustion products and starters produce or contain these. combustion makes them different
>methane, carbon monoxide, butane
no fucking shit
press - Mon, 19 Jun 2017 17:00:18 EST ID:aryEr6jM No.78699 Ignore Report Quick Reply
you forgot paint. the most dreaded pokemon of them all.
Bombastus !uYErosQbLM!!Mybq1UbK - Fri, 23 Jun 2017 13:02:47 EST ID:E1Us5n5n No.78706 Ignore Report Quick Reply
Bombastus Werrywag - Wed, 28 Jun 2017 02:08:03 EST ID:0tetFdrb No.78713 Ignore Report Quick Reply
y u ruin our perfectly good thread?
John Dartville - Thu, 03 Aug 2017 18:03:31 EST ID:ORz+tP6a No.78759 Ignore Report Quick Reply
Fuck now I want a cig

Science .PDFs by Charlie of the Chans !!kWjRhGF5 - Thu, 27 Jul 2017 22:42:18 EST ID:GBUzU4oL No.78756 Ignore Report Reply Quick Reply
File: 1501209738564.png -(123434B / 120.54KB, 1920x1080) Thumbnail displayed, click image for full size. 123434
Hi there /chem/, there is a website where you can download a lot - and I mean thousands - of science textbooks (all categories) for free. Most of them are in .pdf files, but there are a number in the .epub, .mobi, and .djvu formats as well. I uploaded a small selection of what I've gotten at Zippyshare, here:


They cover the hard sciences and run at about 135 MB for the .zip file.

The website is here:


and please read their "Letter of Solidarity," here:

Clara Fuckingcocke - Wed, 02 Aug 2017 02:39:16 EST ID:zi8Fqzy7 No.78758 Ignore Report Quick Reply
thanks m8, will definitely give it a dig

Synthesis of ghb (free acid) from gbl by Matilda Chommlekog - Tue, 18 Jul 2017 22:06:27 EST ID:1reNg8pO No.78749 Ignore Report Reply Quick Reply
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I recently came across some lab grade gbl (gammy-butyrolactone) which is the precursor to GHB. I've got a few questions because I've never find GH and I'm having a hard time finding some info from chemists who know what they're doing.

Firstly, I wanted to make GH in its free acid firm, rather than the common sodium butyrate salt. What I want to know are whether its fine to take it in free acid form. I think the pka is about 4, so it shouldn't be too sour if diluted in water, but taking it in free acid produces the same effects right? I assume that taking the sodium salt would Judy result in it finding in the acidity of the stomach anyways, I just would prefer to not have to eat a bunch of salt on the side.
Also, did I do something wrong in my procedure?

I started with about 10g gbl weighed analytically, and calculated the moles for sodium hydroxide which was between 6-7g, but I put in some excess to try to push the reaction forward.
I then added a bit of water, roughly 20mL in a round bottom flask, added the hydroxide and then the gbl. After a few minutes, I capped the flask and put it in an oil baths at 70 celcius.
After 2-3 hours, I added a bit of hydroxide to make sure the reaction was basic and he GH would be in its salt form, then I washed the solution with ether 3x to get rid of any remaining unreacted gbl. I took the aqueous layer and added HCl from a 1M solution until the pH was about 2-3, low enough for the gh to be in its acid form. I think the problem is here, because I couldn't find concentrated acid so I ended up adding a lot of water on the side..
Then my last step was to extract the ghb from the autos later with ether. I did this about 3x, combined the etherI'm layers, and evaporated off the ether. I was left with 2g when theoretical yield should have been about 12g.

Do you think that because I ended up using so much water, my remaining gh is in the aqueous solution? I know theree acid is readily soluble in both water and ether, so I'm wondering if this is my problem.

Also, how can I test the solution to show I have ghb with no gbl? I don't want to use the NMR spectrometer just in case somebody ends up seeing the spectrum and askin…
Comment too long. Click here to view the full text.
Matilda Chommlekog - Tue, 18 Jul 2017 22:10:40 EST ID:1reNg8pO No.78750 Ignore Report Quick Reply
Sorry about all the spelling/grammar errors, I wrote this on the bus on my phone and it autocorrected way too much.
I meant to write the sodium salt just converts into the free acid in the stomach, so taking the free acid should produce the same effects as taking the salt right?
Lydia Clannerfeck - Thu, 20 Jul 2017 17:47:14 EST ID:UoTssc8h No.78751 Ignore Report Quick Reply
ayy so GBL is a prodrug to GHB. You could just eat the GBL.

Keep extracting the aqueous layer. There's probably more in there. Also try adding some salt (NaCl) to the water to lower the solubility of the GHB in it.

You can tell if there's any GHL in it by taste. GHL supposedly tastes awful whereas GHB is tasteless.
press !XIxc6BpKnU - Sat, 22 Jul 2017 18:28:22 EST ID:PJ0/E4z+ No.78753 Ignore Report Quick Reply
ghb has a distinct taste too, it just isnt as fucking horrible as gbl
somewhere between gasoline, coconut and soap
OP have you considered to simply mix the gbl with a sodium carbonate solution to get a ready to use sodium ghb solution.
obviously youd have take in more volume but it always worked for, although getting too much sodium isnt too healthy and the sodium salt gave me just as much diarhea as gbl.
since the sodium salt is hygroscopic anyways youd have to hustle to keep it dry

Cyril Sunnertot - Mon, 24 Jul 2017 16:41:05 EST ID:CwYciqLe No.78754 Ignore Report Quick Reply
Thanks for the replies everyone. I found a paper and read that ghb is rarely found in its free acid form as it readily converts back to GBL. This back conversion happens even more easily in acidic conditions, which I used to try to protonate the free acid. I will extract as much of what is most likely gbl now from my aqueous solution using salt to push it to the organic layer, evaporate any ether and water left over and mix the gbl back with a small excess of sodium hydroxide. I'll calculate it so that once all the gbl had reacted with the sodium hydroxide in a 1:1 stoichiometric fashion, that the pH will be about 8.5 at the end in a small precculated volume so the ghb doesn't convert back to gbl

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