When taking the Final Gravity, Where's the Alcohol??

[cannman]

->When taking the Final Gravity, Where's the Alcohol??

I little something I think about when I make my FG readings (and sometimes prior to secondary), is where does the alcohol settle? Do you disturb your carboy to mix the alcohol uniformly?

VOTE!

 

[SnakeRidge]

The alcohol is in solution thus evenly mixed. I can't think of a rational situation (i.e. normal temperature and pressure) where the alcohol would leave solution and stratify.

 

[cannman]

Solubilities of Alcohols in Water

Formula Name Solubility in Water (g/100 g)

CH3OH methanol infinitely soluble
CH3CH2OH ethanol infinitely soluble
CH3(CH2)2OH propanol infinitely soluble
CH3(CH2)3OH butanol 9
CH3(CH2)4OH pentanol 2.7
CH3(CH2)5OH hexanol 0.6
CH3(CH2)6OH heptanol 0.18
CH3(CH2)7OH octanol 0.054
CH3(CH2)9OH decanol insoluble in water


purdue.edu

 

[MarshmallowBlue]

It's concentrated in the airlock and must be distributed back into the beer by pouring the airlock water in. DUH. Learn some science or something. The problem is my batches always get infected when I do this.

 

[bloodysafety]

It's concentrated in the airlock and must be distributed back into the beer by pouring the airlock water in. DUH. Learn some science or something. The problem is my batches always get infected when I do this.

airlock shooters is the way to go!

 

[kh54s10]

When you drink a beer from a commercial bottle do you think the alcohol is only in one layer in that bottle????

 

[LandoLincoln]

It's in the milddle.

 

[atom]

it's mostly in the trub... i do a shot of trub when i wanna get fd up bro!

 

[SnakeRidge]

Solubilities of Alcohols in Water

Formula Name Solubility in Water (g/100 g)

CH3OH methanol infinitely soluble
CH3CH2OH ethanol infinitely soluble
CH3(CH2)2OH propanol infinitely soluble
CH3(CH2)3OH butanol 9
CH3(CH2)4OH pentanol 2.7
CH3(CH2)5OH hexanol 0.6
CH3(CH2)6OH heptanol 0.18
CH3(CH2)7OH octanol 0.054
CH3(CH2)9OH decanol insoluble in water


purdue.edu

Okay then why ask the question?

 

[cannman]

it's mostly in the trub... i do a shot of trub when i wanna get fd up bro!

Why do I see this happening at our next session...

 

[MarshmallowBlue]

it's mostly in the trub... i do a shot of trub when i wanna get fd up bro!

This is the same principle of the tequila worm, and I agree. Dump the beer, bottle and drink the trub.

 

[ImNoExpert]

In the hydrometer testing jar.

 

[ThomasPaine]

It is sugars that may be dispersed differently throughout the carboy and you may get a slightly different readings from different levels. Nothing to worry about though.

 

[falkaveli]

It's in the milddle.

ahhh...beat me to it!

 

[day_trippr]

Okay then why ask the question?

By the chronology, I suspect that was an example of "learning".

Cheers! (Could be wrong, through )

 

[SnakeRidge]

Hmm, felt like I was missing the joke. I hate missing the joke.

 

[ktblunden]

It doesn't have any alcamahals until you pour the vodka in. Duh.

 

[MarshmallowBlue]

It doesn't have any alcamahals until you pour the vodka in. Duh.

Right! I think there was even an article about an over attenuated beer with 0 alcohol. It was clearly because he forgot to add der vodker.

 

[Tarks]

I would ask the hydrometer. Surely it would know best.

 

[Stealthcruiser]

"Trubshooters R Us"

 

[cannman]

I once found alcohol in my toilet. Toilet wouldn't stop running so I opened it up and there was a Natural Ice blocking the plug... must have been in there for over 3 years... I hadn't bought Natty since a party in college and well... $hit happens... and sometimes you need a place to keep your beer... I'm guessing...

 

[LAHammer]

It's primarily located in the center of the fermenter in a vertical column. The yeast swim in circles as they produce alcohol and this tends to have a whirlpool effect,causing the alcohol to concentrate in this central column. The yeast swim clockwise in the northern hemisphere and counterclockwise in the southern but this has little effect on the alcohol column. Once the yeast stop swimming, this alcohol column can collapse but since it is repelled by the positively charged trub, it will evenly disperse in the beer.

 

[SnakeRidge]

It's primarily located in the center of the fermenter in a vertical column. The yeast swim in circles as they produce alcohol and this tends to have a whirlpool effect,causing the alcohol to concentrate in this central column. The yeast swim clockwise in the northern hemisphere and counterclockwise in the southern but this has little effect on the alcohol column. Once the yeast stop swimming, this alcohol column can collapse but since it is repelled by the positively charged trub, it will evenly disperse in the beer.

I gotta say, I'm a physicist and this all makes complete sense.

 

[cannman]

it's primarily located in the center of the fermenter in a vertical column. The yeast swim in circles as they produce alcohol and this tends to have a whirlpool effect,causing the alcohol to concentrate in this central column. The yeast swim clockwise in the northern hemisphere and counterclockwise in the southern but this has little effect on the alcohol column. Once the yeast stop swimming, this alcohol column can collapse but since it is repelled by the positively charged trub, it will evenly disperse in the beer.

ftw!

 

[ajdelange]

Don't know about alcohol but my colleague always used to say that the answer was at the bottom of the bottle.

 

[burninator]

it's primarily located in the center of the fermenter in a vertical column. The yeast swim in circles as they produce alcohol and this tends to have a whirlpool effect,causing the alcohol to concentrate in this central column. The yeast swim clockwise in the northern hemisphere and counterclockwise in the southern but this has little effect on the alcohol column. Once the yeast stop swimming, this alcohol column can collapse but since it is repelled by the positively charged trub, it will evenly disperse in the beer.

 

[LAHammer]

This is why it's so dangerous to secondary because if you disturb the alcohol column at the wrong time...well I don't even want to think about it...scary stuff

 

[burninator]

This is why it's so dangerous to secondary because if you disturb the alcohol column at the wrong time...well I don't even want to think about it...scary stuff

Try to imagine all life as you know it stopping instantaneously and every molecule in your body exploding at the speed of light.

 

[clone63]

Try to imagine all life as you know it stopping instantaneously and every molecule in your body exploding at the speed of light.

Right. That's bad. Okay. All right. Important safety tip.

 

[Stealthcruiser]

I'm disturbed by an alcohol column every weekend.............

 

[Tippsy-Turvy]

I have a whizz bang alcohol detector that can tell you. Send your beer over and i'll give you the answer for free.

 

[GuldTuborg]

Trick question. There is no alcohol. It's all in your mind.

 

[brew_ny]

->When taking the Final Gravity, Where's the Alcohol??

in the glass

 

[cannman]

Try to imagine all life as you know it stopping instantaneously and every molecule in your body exploding at the speed of light.

I envision something similar happening occasionally...

 

[MarshmallowBlue]

This is why it's so dangerous to secondary because if you disturb the alcohol column at the wrong time...well I don't even want to think about it...scary stuff

How do you think people go blind from drinking homebrew? They F'd up the column by causing an inorganic collapse of Ethenols, thus creating Methanols.