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Search: Posts Made By: gordonliu
Forum: Cannabis Concentrates 07-18-2010, 06:08 AM
Replies: 30
Views: 3,302
Posted By gordonliu
havent posted in a super long time, but I will...

havent posted in a super long time, but I will throw in my hat:


we all known that Vector, King, colibri, etc do not contain mercaptans for a few obvious reasons

1) we cant smell them (which...
Forum: Cannabis Concentrates 05-29-2010, 04:02 AM
Replies: 3
Views: 1,241
Posted By gordonliu
Impurities (I am not including oligo terpenoids...

Impurities (I am not including oligo terpenoids that are not cannabinoids, as most are considered to be "good")

all life is composed mostly (weight percent) of carbohydrates (sugars and polymers...
Forum: Cannabis Concentrates 05-29-2010, 03:50 AM
Replies: 3
Views: 1,241
Posted By gordonliu
toxicity of solvents hexane, butane,...

toxicity of solvents

hexane, butane, pentane, etc are aliphatic hydrocarbons. such chemicals do not have chemical reactivity necessary to damage the body's biochemistry.

molecules of these...
Forum: Cannabis Concentrates 05-29-2010, 03:37 AM
Replies: 3
Views: 1,241
Posted By gordonliu
Extraction: Basic Principles

First of all, let me say it has been an extremely long time since I last posted, but nothing has changed. AFOAF still makes BHO regularly, and still knows all of the chemistry.

here are some...
Forum: Cannabis Concentrates 05-29-2010, 03:04 AM
Replies: 21
Views: 3,075
Posted By gordonliu
>never taken an NMR of of a substance that has...

>never taken an NMR of of a substance that has been worked up using PE or PP stored solvents.


it is well known, to all organic chemists, that "grease" is a major contaminant in most chemical...
Forum: Cannabis Concentrates 12-22-2008, 12:48 PM
Replies: 27
Views: 2,385
Posted By gordonliu
off the top of your head, do you remember the...

off the top of your head, do you remember the brand of alcohol?

rossville? aldrich? EMD?
Forum: Cannabis Concentrates 12-22-2008, 12:45 PM
Replies: 15
Views: 3,641
Posted By gordonliu
the only concerns with ingestion are thus: ...

the only concerns with ingestion are thus:

1) solubility. it must be dissolved in oil or fat. THC is not water soluble, so simply eating BHO will not effectively or consistently transfer the THC...
Forum: Indoor Grows - Hydro 10-25-2008, 02:25 AM
Replies: 5
Views: 683
Posted By gordonliu
Final Day of Flowering: Dark or Light?

some people claim that if you leave the lights off for the final day of flowering (24-48 hours of darkness) that it allows the plant to finish synthesis of any sugars, THC, etc.

I would ASSUME,...
Forum: Cannabis Concentrates 10-15-2008, 03:00 AM
Replies: 48
Views: 17,362
Posted By gordonliu
to clarify: compounds exist in a supercritical...

to clarify: compounds exist in a supercritical phase in a PLANE in T,V space, or a quadrant of P,V,T space (generally a parallelepiped)

this is the main allure of supercritical phase...
Forum: Cannabis Concentrates 10-15-2008, 02:25 AM
Replies: 12
Views: 2,170
Posted By gordonliu
absolutely not. regular curing does remove...

absolutely not.

regular curing does remove ANY impurities.

it only allows for the removal of trace moisture, volatile compounds, and CO2 (from THCA).

water curing removes impurities like Ca,...
Forum: Cannabis Concentrates 10-15-2008, 02:14 AM
Replies: 36
Views: 4,598
Posted By gordonliu
biggest problem: few people really...

biggest problem:

few people really understand what is going on.

reading a tutorial online will never give you the understanding that simple chemistry does.


when you make BHO, there is an...
Forum: Cannabis Concentrates 10-15-2008, 02:10 AM
Replies: 17
Views: 8,401
Posted By gordonliu
I can tell you this much: water cured WEED...

I can tell you this much:

water cured WEED vs regular bud.

water cure: initial weight 5.7 grams. final dry weight after a 4 day water cure: 2.2 grams.

regular cure: inital weight: 12.1...
Forum: Cannabis Concentrates 10-15-2008, 02:06 AM
Replies: 17
Views: 3,327
Posted By gordonliu
1) SS screens are NOT coated with a chemical. if...

1) SS screens are NOT coated with a chemical. if you think they are then, unfortunately, you are a huge idiot. they maintain a very small layer of lubrication (from manufacturing) and dust.
...
Forum: Cannabis Concentrates 10-05-2008, 04:47 AM
Replies: 12
Views: 2,170
Posted By gordonliu
water cure only. no need for slow dry. ...

water cure only.

no need for slow dry.


slow dry/extended cure is only neccessary for making the bud smoke better.

if you are trying to extract the THC, all you care about is removing...
Forum: Indoor Grows - Hydro 09-13-2008, 03:57 AM
Replies: 4
Views: 721
Posted By gordonliu
hermie identification (pic)

unknown sativa dominant clone, vegged 3 weeks, currently on day 22 of flower.

DWC: GH 3 part, koolbloom, algae kill, gnatrol, hydroguard, and carboload.

3 600 watt HPS.

AC (76 max on the...
Forum: Cannabis Concentrates 09-12-2008, 11:03 PM
Replies: 9
Views: 3,130
Posted By gordonliu
With the isopropanol, the excess is water (same...

With the isopropanol, the excess is water (same with your medical grade ethanol)

keep an eye out for ethanol denatured with ispropanol (instead of benzene or methanol)

they do sell it and for a...
Forum: Cannabis Concentrates 09-06-2008, 03:38 AM
Replies: 9
Views: 3,130
Posted By gordonliu
ethanol (not liquor) comes in essentially 3 forms...

ethanol (not liquor) comes in essentially 3 forms

190 proof = actually 95.6% (not 95%) - this is the most common ethanol that is easy to buy. it is impossible to distill ethanol past 95.6% using...
Forum: Cannabis Infirmary 08-24-2008, 12:42 AM
Replies: 6
Views: 1,928
Posted By gordonliu
The water temps should be fine, I have AC which...

The water temps should be fine, I have AC which keeps things between 67 and 73 in the room, and I highly doubt that the reservoir goes beyond that range

I would assume the light leak is caused by...
Forum: Cannabis Infirmary 08-24-2008, 12:39 AM
Replies: 6
Views: 1,928
Posted By gordonliu
here are the pics, sorry for the lack of white...

here are the pics, sorry for the lack of white balance

Bugs:

https://www.icmag.com/gallery/data/500/28031bugs-thumb.JPG (https://www.icmag.com/gallery/data/500/28031bugs.JPG)

algae, rot, or...
Forum: Cannabis Infirmary 08-24-2008, 12:22 AM
Replies: 6
Views: 1,928
Posted By gordonliu
Bugs on roots + dark green slime?

I will get pics soon, but I wanted to get the post up now.


I have what appears to be small black bugs on some of my roots in my DWC system.

the plants seem fine, and the roots do not appear...
Forum: Cannabis Growing Questions 08-03-2008, 12:25 AM
Replies: 3
Views: 866
Posted By gordonliu
sorry to dig this up, but I have to emphasize the...

sorry to dig this up, but I have to emphasize the fact that current research into Alzheimers has absolutely nothing to do with aluminum


many people (not scientists, doctors, etc) seriously...
Forum: Cannabis Concentrates 07-24-2008, 03:37 PM
Replies: 15
Views: 1,692
Posted By gordonliu
1) king is excellent. the company understands...

1) king is excellent. the company understands what their product is being used for (outside of wholesale) and they will do their best to protect you. I know this from experience. About 4 years...
Forum: Cannabis Concentrates 07-24-2008, 03:17 PM
Replies: 18
Views: 1,722
Posted By gordonliu
WOW! 13.50 (any currency) for 99% ethanol? ...

WOW!

13.50 (any currency) for 99% ethanol? god damn that is the cheapest I have ever heard of. (especially for anhydrous non-denatured ethanol)

that is cheaper than the 20 L drums they sell at...
Forum: Cannabis Concentrates 06-17-2008, 01:33 PM
Replies: 27
Views: 3,458
Posted By gordonliu
they dont sell everclear in california. you...

they dont sell everclear in california. you might be able to get it if you have like a special permit for its use in the food service industry or something. that may be what you are talking about
Forum: Cannabis Concentrates 06-15-2008, 01:21 PM
Replies: 9
Views: 687
Posted By gordonliu
You will never be able to remove all of the...

You will never be able to remove all of the solvent without using some special techniques and without using a high vacuum pump (like a welch duo seal)

ether makes terrible oil. ether is VERY...
Forum: Cannabis Concentrates 06-12-2008, 01:20 PM
Replies: 15
Views: 1,692
Posted By gordonliu
king +1

king +1
Forum: Cannabis Concentrates 06-07-2008, 08:14 PM
Replies: 9
Views: 687
Posted By gordonliu
pentane is the win. its kinda expensive, and...

pentane is the win. its kinda expensive, and most labs will use hexanes or pet ether because they are cheaper, but this stuff rocks
Forum: Growroom Designs & Equipment 05-30-2008, 09:52 PM
Replies: 4
Views: 669
Posted By gordonliu
Water Purification - Which system is NECESSARY?

I need a water purification system for hydro. At the moment, I do not know what the conductivity of my tap water is, but I know its terrible.

I would like to AVOID getting an RO system, because...
Forum: Cannabis Concentrates 05-23-2008, 12:57 AM
Replies: 16
Views: 1,761
Posted By gordonliu
I agree, heating a sample of BHO will absolutely...

I agree, heating a sample of BHO will absolutely speed the rate of loss of terpenoids. I think that goes without saying. heating for too long will obviously remove enough that they cant be detected...
Forum: Cannabis Concentrates 05-22-2008, 05:10 PM
Replies: 16
Views: 1,761
Posted By gordonliu
honestly, I dont think that the terpenes could be...

honestly, I dont think that the terpenes could be responsible for the BUBBLES. of course they will slowly boil off, but they just arent volatile enough to form bubbles, or alternatively they dont...
Forum: Cannabis Concentrates 05-22-2008, 11:20 AM
Replies: 16
Views: 1,761
Posted By gordonliu
if you have some dank ass 80% THC BHO, that had...

if you have some dank ass 80% THC BHO, that had initially been composed of 40% THCA before it was purged and stored, then your BHO was actually about 5% CO2 by weight.

as soon as those CO2...
Forum: Cannabis Concentrates 05-20-2008, 06:43 PM
Replies: 16
Views: 1,761
Posted By gordonliu
You are correct sir, although the truth is that...

You are correct sir, although the truth is that there is THC, albeit the ratio of THCA:THC is anywhere from 6:1 (stuff from Mediterranean) to 0.5:1 (stuff from india) with THC% averaging around 10%...
Forum: Cannabis Concentrates 05-19-2008, 04:26 PM
Replies: 16
Views: 1,761
Posted By gordonliu
Let me clarify one thing: THC is not an...

Let me clarify one thing:

THC is not an acid. the molecules of THC in your hash oil are the exact same molecules floating around inside your body. No chemical change has taken place. "smoking"...
Forum: Cannabis Concentrates 05-08-2008, 06:02 PM
Replies: 11
Views: 805
Posted By gordonliu
I noted this problem in another thread as being...

I noted this problem in another thread as being one of the issues that makes butane extraction a more appealing method for obtaining concentrates. shit you can easily make a gram of BHO with a...
Forum: Cannabis Concentrates 05-03-2008, 01:19 PM
Replies: 20
Views: 2,992
Posted By gordonliu
hahahahahahahaa, fuck. im reytarded...

hahahahahahahaa, fuck. im reytarded...
Forum: Cannabis Concentrates 05-02-2008, 11:32 PM
Replies: 17
Views: 15,570
Posted By gordonliu
BHO. that being said, I love full melt. I...

BHO.

that being said, I love full melt. I value it way more highly than BHO. that is because BHO is super easy to make, and is therefore common. Full melt (which is the only hash comparable in...
Forum: Cannabis Concentrates 05-02-2008, 03:14 PM
Replies: 20
Views: 2,992
Posted By gordonliu
and if i remember correctly... the original...

and if i remember correctly... the original chunks of titanium came out of a guitar?
Forum: Cannabis Concentrates 05-01-2008, 09:10 PM
Replies: 20
Views: 2,992
Posted By gordonliu
Definitely used one of these bad boys. It was...

Definitely used one of these bad boys. It was one that was given to an old OG member (krownedking) in exchange for a HVY bong.

they work well! I highly recommend them.


on a similar note, a...
Forum: Cannabis Concentrates 04-27-2008, 02:57 AM
Replies: 129
Views: 32,370
Posted By gordonliu
Sam: I fully admit this is a trivial point...

Sam:

I fully admit this is a trivial point to debate, but you can never remove every trace of solvent from a sample. it is both kinetically and entropically impossible. it is thermodynamically...
Forum: Cannabis Concentrates 04-25-2008, 11:22 AM
Replies: 5
Views: 696
Posted By gordonliu
also, one thing to note: some denatured...

also, one thing to note:

some denatured ethanol is commonly denatured with isopropanol (as compared to methanol or benzene)

that means that by using such denatured ethanol, you are not doing...
Forum: Cannabis Concentrates 04-23-2008, 05:41 PM
Replies: 15
Views: 2,664
Posted By gordonliu
easiest and quickest way to make your oil edible...

easiest and quickest way to make your oil edible is to dissolve it in cooking oil.

heat a little cooking oil in the microwave until its kind of hot (doesnt have to be too hot). throw a chunk of...
Forum: Cannabis Concentrates 04-23-2008, 04:26 PM
Replies: 6
Views: 1,699
Posted By gordonliu
methanol is poisonous. the problem with using...

methanol is poisonous. the problem with using pure methanol, or really any solvent including isopropanol and butane, is that it is extremely difficult to remove every trace of such solvent from your...
Forum: Cannabis Concentrates 04-23-2008, 04:20 PM
Replies: 41
Views: 11,383
Posted By gordonliu
I have taken a mass spec of BHO. I got a bunch...

I have taken a mass spec of BHO. I got a bunch of hits with super high mw (like around 800). some of these are undoubtedly the chromophores responsible for the color.

the majority of the colored...
Forum: Cannabis Concentrates 04-21-2008, 04:32 PM
Replies: 6
Views: 716
Posted By gordonliu
freezing the tube is not the way to go. freeze...

freezing the tube is not the way to go. freeze the butane. freezing the tube will condense water in the tube.
Forum: Cannabis Concentrates 04-17-2008, 08:16 PM
Replies: 16
Views: 3,204
Posted By gordonliu
haha. every time i read that (book) I laugh. ...

haha. every time i read that (book) I laugh. first of all, you cant isomerize any of these other cannabinoids to THC. sorry. doesnt work. you are 1 methyl group short. no matter what bonds...
Forum: Cannabis Concentrates 04-16-2008, 04:30 PM
Replies: 370
Views: 83,756
Posted By gordonliu
note: most pharmaceutical companies make the...

note: most pharmaceutical companies make the compounds they sell, even things like morphine that have readily available natural sources.

big pharmas would just make THC. the synthesis is...
Forum: Cannabis Concentrates 04-07-2008, 03:57 PM
Replies: 7
Views: 555
Posted By gordonliu
huey69 is exactly correct: grinding the buds...

huey69 is exactly correct:

grinding the buds increases the surface area. most of the chemicals that we are interested with are actually found exposed on the surface of the plant (in the...
Forum: Cannabis Concentrates 04-02-2008, 06:37 PM
Replies: 328
Views: 87,605
Posted By gordonliu
well, umm.... try using smaller hits? I know...

well, umm.... try using smaller hits? I know you will be opposed to it, but if you dont have titanium, there is always aluminum.
Forum: Hashish 03-31-2008, 04:43 PM
Replies: 57
Views: 10,451
Posted By gordonliu
hes got the right idea. sonicators come in all...

hes got the right idea. sonicators come in all shapes and sizes. some are sold as baths, some are sold as "wand" type instruments that you can submerge in any vessel you would like. many have...
Forum: Cannabis Concentrates 03-23-2008, 09:40 PM
Replies: 10
Views: 2,446
Posted By gordonliu
Is there any point? I dont know... is there any...

Is there any point? I dont know... is there any point in vaporizing weed?

volcano: you have to use high heat. that is the key to vaporizing hash. It just doesnt work well unless you have the...
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