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Forum: General Beer Discussion 01-23-2012, 06:54 AM
Replies: 818
Views: 38,456
Posted By CHansen6
I'm a PhD student in Chemistry. I do inorganic...

I'm a PhD student in Chemistry. I do inorganic and organometallic chemistry. BS in Chem from the the University of Wisconsin, MS and hopefully a PhD from the University of Chicago sometime before I...
Forum: Fermentation & Yeast 12-29-2010, 04:26 AM
Replies: 116
Views: 7,934
Posted By CHansen6
I have two rather extreme examples that I still...

I have two rather extreme examples that I still need to bottle. I brewed up two batches of belgian tripels in May of 2009, and got really busy with work and ended up moving a few months later, them...
Forum: Specialty Beer 12-28-2010, 12:08 AM
Replies: 8
Views: 8,279
Posted By CHansen6
I was actually looking up info about terrapin's...

I was actually looking up info about terrapin's stout. However with the two temperatures, one is the temp of the strike water, and the other is the mash temp. When you mix room temperature grain...
Forum: Recipes/Ingredients 12-22-2010, 03:44 AM
Replies: 53
Views: 5,346
Posted By CHansen6
The below beer was made with applewood smoked...

The below beer was made with applewood smoked malt. I read it was actually smoked by an outfit that traditionally makes bacon if that makes any difference in knowing exactly what they were doing. ...
Forum: Hops Growing 12-16-2010, 01:17 AM
Replies: 16
Views: 3,374
Posted By CHansen6
Both the PDF and the link work just fine for me...

Both the PDF and the link work just fine for me using firefox. Maybe it was a temporary hiccup.
Forum: Mead Forum 12-29-2009, 04:11 PM
Replies: 22
Views: 1,714
Posted By CHansen6
Dry ice and water still wont get any colder than...

Dry ice and water still wont get any colder than normal ice and water. Water is still limited to 0 celcius as it's freezing point, more or less. If you want to flash freeze the neck of the bottles...
Forum: Recipes/Ingredients 12-12-2009, 05:23 AM
Replies: 5
Views: 1,017
Posted By CHansen6
Also, citric acid is sold in every grocery store...

Also, citric acid is sold in every grocery store I've been in as a cleaner for coffee makers. Check the ingredients though. There are several varieties.
Forum: General Techniques 10-29-2009, 06:14 AM
Replies: 25
Views: 1,703
Posted By CHansen6
I usually use gelatin in the secondary to really...

I usually use gelatin in the secondary to really clear it up. It overtime seems to crash out chill hazing even a bit. For whatever reason on my last batch of pale ale, the yeast/gelatin stuck to...
Forum: Brew Science 10-29-2009, 06:07 AM
Replies: 6
Views: 1,477
Posted By CHansen6
Wow thank you. I tried this once, and failed. ...

Wow thank you. I tried this once, and failed. For whatever reason, Chem majors don't have to take much calculus. I tried to do this exact thing once, and failed miserably. I really should have...
Forum: Recipes/Ingredients 10-29-2009, 05:37 AM
Replies: 10
Views: 2,742
Posted By CHansen6
I've had hops stored in a similar way in the...

I've had hops stored in a similar way in the freezer. I go as far as to wrap the bags in Al foil to keep out all light. After around 6 months I noticed a decrease in the nice odor, even after...
Forum: Beginners Beer Brewing Forum 10-27-2009, 03:44 AM
Replies: 2
Views: 217
Posted By CHansen6
Depends on what you like. If you like citrusy...

Depends on what you like. If you like citrusy APA's, then add some more cascade up around 20 to 0 minute range. It's hard to tell what that beer will be like without seeing a recipe. I've seen...
Forum: General Beer Discussion 10-13-2009, 10:08 PM
Replies: 38
Views: 6,854
Posted By CHansen6
I started homebrewing slightly before I turned...

I started homebrewing slightly before I turned 21. The homebrew shop never gave me a second look, and even offered samples to me.
Forum: Brew Science 06-07-2009, 06:06 AM
Replies: 25
Views: 1,643
Posted By CHansen6
Just a personal experience, but I find more...

Just a personal experience, but I find more chemistry professors, grad students, and people otherwise related to the department are homebrewers. Plus it's a superior science :) You can learn other...
Forum: All Grain & Partial Mash Brewing 06-07-2009, 05:53 AM
Replies: 3
Views: 1,295
Posted By CHansen6
I have actually recently had one. Capital...

I have actually recently had one. Capital Brewery in Madison, WI has recently made a "Hop Bock". A doppelbock brewed with quite a bit of hops. I really enjoyed it. I only had a small sample so I...
Forum: Brew Science 05-31-2009, 05:14 AM
Replies: 3
Views: 773
Posted By CHansen6
It might just be aging and conditioning, but I've...

It might just be aging and conditioning, but I've aged out diacetyl from my beers. It's certainly not as fast or efficient as a couple day diacetyl rest with bulk beer. It might just be because the...
Forum: Recipes/Ingredients 05-25-2009, 11:51 PM
Replies: 4
Views: 681
Posted By CHansen6
Most everything I have read say Diammonium...

Most everything I have read say Diammonium Phosphate, and some minerals, nutrients, and vitamins. Dead yeast cells often. I don't know what would make your cat go nuts though. It's like cocaine...
Forum: Beginners Beer Brewing Forum 05-25-2009, 11:00 PM
Replies: 5
Views: 802
Posted By CHansen6
I'm not sure about the chill haze, but I've...

I'm not sure about the chill haze, but I've always had good luck with gelatin. I just got my first batch with chill haze recently, and didn't use any gelatin. I don't know what is to blame really.
Forum: Belgian Strong Ale 05-21-2009, 04:13 AM
Replies: 17
Views: 11,755
Posted By CHansen6
Wow, after only a week, it's dropped from 1.060...

Wow, after only a week, it's dropped from 1.060 to about 1.010. It was likely a little carbonated, so maybe a little higher. I added the candi sugar today. It should be 1.073 overall OG. There...
Forum: Beginners Beer Brewing Forum 05-20-2009, 08:23 PM
Replies: 39
Views: 1,411
Posted By CHansen6
I accidentally left my last hefe in the primary...

I accidentally left my last hefe in the primary for 6 months. I just kicked up a little yeast into the bottling bucket. 4 days later is was pretty carbonated, and still had quite a bit of ester...
Forum: Beginners Beer Brewing Forum 05-20-2009, 08:11 PM
Replies: 10
Views: 636
Posted By CHansen6
A couple hours of sunlight wont be skunking...

A couple hours of sunlight wont be skunking anything. Even if it could, it wouldn't cause it to turn purple/black. It was probably just an optical illusion, or your imagination, or a shadow or...
Forum: Wheat and Rye Beer 05-19-2009, 05:26 AM
Replies: 1,015
Views: 256,881
Posted By CHansen6
So, I got really lazy over the winter and forgot...

So, I got really lazy over the winter and forgot to bottle this. Fast forward 6 months in the primary fermenter, I finally needed it for a belgian tripel I was brewing. I was kind of hoping it...
Forum: Brew Science 05-18-2009, 01:40 AM
Replies: 2
Views: 519
Posted By CHansen6
They've been having a massive user overload with...

They've been having a massive user overload with it's release, probably due to how cool it is. Hopefully we can play with it and see it's full potential in a week or so.
Forum: Belgian Strong Ale 05-15-2009, 03:11 AM
Replies: 17
Views: 11,755
Posted By CHansen6
I just brewed a very slightly modified version of...

I just brewed a very slightly modified version of this today. The hydrometer sample tasted wonderful. I forgot to take a look at what kind of efficiency the OP got, and adjust accordingly, but I...
Forum: Recipes/Ingredients 04-26-2009, 06:52 PM
Replies: 69
Views: 39,983
Posted By CHansen6
It might be because of a higher pitching rate (no...

It might be because of a higher pitching rate (no starters for me), but I've never had a batch with US-05 take more than about 10-14 days to be completely fermented and settled.

In regard to the...
Forum: Brew Science 04-26-2009, 06:20 PM
Replies: 17
Views: 1,299
Posted By CHansen6
If you do try NMR, I can help you out a bit. The...

If you do try NMR, I can help you out a bit. The hydrogens directly next to the carbonyl on the relevent sidechain are the ones I'd look at.

Humulone will exhibit a ddqq pattern, with a big...
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