HOMEBREW Digest #5700 Tue 22 June 2010


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	FORUM ON BEER, HOMEBREWING, AND RELATED ISSUES
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Contents:
  re:  HBD, Inc. News... (John Vaughn)
  Measuring IBUs in wort (Fred L Johnson)

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * Beer is our obsession and we're late for therapy! * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * NOTE: With the economy as it is, the HBD is struggling to meet its meager operating expenses of approximately $3500 per year. If less than half of those currently directly subscribed to the HBD sent in a mere $5.00, the HBD would be able to easily meet its annual expenses, with room to spare for next year. Please consider it. Financial Projection As of 13 Jun 2010 Projected 2010 Budget $3305.65 Expended against projection $1899.76 Projected Excess/(Shortfall) $ 38.08 As always, donors and donations are publicly acknowledged and accounted for on the HBD web page. Thank you Send articles for __publication_only__ to post@hbd.org If your e-mail account is being deleted, please unsubscribe first!! To SUBSCRIBE or UNSUBSCRIBE send an e-mail message with the word "subscribe" or "unsubscribe" to request@hbd.org FROM THE E-MAIL ACCOUNT YOU WISH TO HAVE SUBSCRIBED OR UNSUBSCRIBED!!!** IF YOU HAVE SPAM-PROOFED your e-mail address, you cannot subscribe to the digest as we cannot reach you. We will not correct your address for the automation - that's your job. HAVING TROUBLE posting, subscribing or unsusubscribing? See the HBD FAQ at http://hbd.org. LOOKING TO BUY OR SELL USED EQUIPMENT? Please do not post about it here. Go instead to http://homebrewfleamarket.com and post a free ad there. The HBD is a copyrighted document. The compilation is copyright HBD.ORG. Individual postings are copyright by their authors. ASK before reproducing and you'll rarely have trouble. Digest content cannot be reproduced by any means for sale or profit. More information is available by sending the word "info" to req@hbd.org or read the HBD FAQ at http://hbd.org. JANITORs on duty: Pat Babcock (pbabcock at hbd dot org), Jason Henning, and Spencer Thomas
---------------------------------------------------------------------- Date: Mon, 21 Jun 2010 21:47:32 -0800 From: John Vaughn <hogbrew at mtaonline.net> Subject: re: HBD, Inc. News... It is great to see the HBD's financial position is looking better. I sent my $25. Thanks to all who have ponied up. Now it's time for the rest of you to do the same. Pat, thanks for all of your hard work. Return to table of contents
Date: Tue, 22 Jun 2010 09:31:17 -0400 From: Fred L Johnson <FLJohnson52 at nc.rr.com> Subject: Measuring IBUs in wort Can anyone tell me if the ASBC spectrophotometric method for measuring IBUs in wort includes a filtration or centrifugation step to remove trub? If the method does not include trub separation, does anyone know to what degree the presence of trub in the extraction affects the results? I can imagine that some of the material measurable in the ASBC spectrophotometric method as an IBU might be bound to trub proteins such that the value obtained after trub filtration could be lower than that obtained without filtration. Anyone have any knowledge on this? On a related topic, what materials besides isomerized alpha acids contribute to the IBU value in the ASBC spectrophotometric method? Fred L Johnson Apex, North Carolina, USA Return to table of contents
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