Thanks Keith and Ray. Bill Clark ----- Original Message ----- From: <[EMAIL PROTECTED]> To: <Biofuel@sustainablelists.org> Sent: Friday, July 08, 2005 4:13 PM Subject: Re: [Biofuel] Titrating with KOH
> Hello Bill: > > Firstly, I apologize to the actual author, I simply cut and paste into a > file of important notes: > > "KOH is not as strong as NaOH -- use 1.4 times as much KOH (actually > 1.4025 times). Titration is the same, just use a 0.1% KOH solution > instead of NaOH solution, and use 1 gm of KOH for every milliliter of > 0.1% solution used in the titration. But instead of the basic 3.5 > grams of NaOH lye per liter of oil, use 3.5 x 1.4 = 4.9 grams of KOH. > So, if your titration was 5 ml, use 5 + 4.9 = 9.9 gm KOH per liter of > oil." > > "...One more complication -- check the purity of your KOH, it's > generally not as pure as NaOH. Anhydrous grade KOH flake is usually > about 92%, sometimes less -- check the label. We use half-pearls > assayed at 85%. Adjust the basic quantity accordingly: the basic 4.9 > grams would be 5.8 (5.775) grams for 85% KOH, or 5.3 (5.33) grams for > 92% KOH." > > > Ray > > On Fri, 08 Jul 2005 13:11:56 -0400, Bill Clark <[EMAIL PROTECTED]> > wrote: > > > Hello Keith and all, > > > > I have a question regarding titration with KOH. When making your > > titration > > solution (1 g KOH/ L distilled water) is itn necesary to adjust for the > > percent > > of your KOH, i.e. 90.5%? I am making the adjustment for the basic 3.5 > > grans NaOH > > to 5.4 grams KOH. However, I made no adjustments when making the > > titration > > solution. > > > > Any help is appreciated. > > > > Bill Clark > > > > _______________________________________________ > > > > Biofuel mailing list > > > > Biofuel@sustainablelists.org > > > > http://sustainablelists.org/mailman/listinfo/biofuel_sustainablelists.org > > > > > > > > Biofuel at Journey to Forever: > > > > http://journeytoforever.org/biofuel.html > > > > > > > > Search the combined Biofuel and Biofuels-biz list archives > > (50,000 > > messages): > > > > http://www.mail-archive.com/biofuel@sustainablelists.org/ > > > > > > > > -- > Ray or Shiraz Ings > [EMAIL PROTECTED] > 1-613-253-1311 > Using M2, Opera's revolutionary e-mail client: http://www.opera.com/m2/ > > _______________________________________________ > Biofuel mailing list > Biofuel@sustainablelists.org > http://sustainablelists.org/mailman/listinfo/biofuel_sustainablelists.org > > Biofuel at Journey to Forever: > http://journeytoforever.org/biofuel.html > > Search the combined Biofuel and Biofuels-biz list archives (50,000 messages): > http://www.mail-archive.com/biofuel@sustainablelists.org/ > _______________________________________________ Biofuel mailing list Biofuel@sustainablelists.org http://sustainablelists.org/mailman/listinfo/biofuel_sustainablelists.org Biofuel at Journey to Forever: http://journeytoforever.org/biofuel.html Search the combined Biofuel and Biofuels-biz list archives (50,000 messages): http://www.mail-archive.com/biofuel@sustainablelists.org/
