Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10 5/3/83; site bbncca.ARPA Path: utzoo!watmath!clyde!burl!ulysses!mhuxj!houxm!ihnp4!bbncca!cspencer From: cspencer@bbncca.ARPA (Clifford Spencer) Newsgroups: net.audio Subject: Re: Re: discwasher Message-ID: <1074@bbncca.ARPA> Date: Mon, 29-Oct-84 10:40:51 EST Article-I.D.: bbncca.1074 Posted: Mon Oct 29 10:40:51 1984 Date-Received: Tue, 30-Oct-84 01:41:32 EST References: <1048@bbncca.ARPA> <530@watdcsu.UUCP> Organization: Bolt, Beranek and Newman, Cambridge, Ma. Lines: 46 I got a lot of answers to my question on the ingredients in discwasher. Everyone agreed that distilled water was the chief component. This is the most complete answer I received: > From: ihnp4!hplabs!hp-pcd!hplsla!hplsle!kunz@bbncca > Date: Fri Oct 26 17:45:54 1984 > Received: by ihnp4.ATT.UUCP; id AA07198; 26 Oct 84 17:45:54 CDT (Fri) > From > Received: by HP-VENUS id AA20428; Thu, 25 Oct 84 12:49:08 pdt > Received: by HPPCD.UUCP (4.12/4.7) > id AA26264; Thu, 25 Oct 84 12:46:20 pdt > Date: Thu, 25 Oct 84 12:46:20 pdt > Message-Id: <8410251946.AA26264@HPPCD.UUCP> > To: hplsla!hp-pcd!hplabs!ihnp4!bbncca!cspencer > Subject: Discwasher fluid contents > > > Cliff, > > A while (> 2 years) back, Science magazine (a British mag) published > the formula for Discwasher D3 fluid. It has a British patent and they > put it in to show that it's not made of a lot of things. I have the > original article somewhere, and I will find it, but from memory, here's > the recipe: 97% distilled water, sodium azide (to kill bacteria in the > groves), ethyline glycol (the cleaner), and a surficant (to reduce > surface tension). The article had the percent by weight ratios and a > few surficants that are preferred. When I find the article I'll send > you a copy. > > I've heard of a good homebrew for the cleaner is: 1 gal distilled water, > 1/2 oz Ivory dishwashing liquid (the surficant and cleaner) and 2 oz of > hydrogen peroxide (to kill the buggers). I have not made this stuff > myself, but it sounds ok. > > Please post to the net a summary of your findings. Thanks. > > Bob Kunz (any of the biggies)!hplabs!hp-pcd!hplsla!kunz > Hewlett-Packard AT&T 206-335-2135 > Lake Stevens Division > PO Box 69 > Marysville, WA 98270 > > -- {decvax,linus,ima,ihnp4,wjh12}!bbncca!cspencer cspencer@bbncca.ARPA