[biofuel] Phenolphthalein solution for titration

2003-10-05 Thread simonswb6
i found this online 'Phenolphthalein Indicating Solution, 1% in Alcohol, 125ml' is this ok for doing titration? it has 1% Alcohol? Yahoo! Groups Sponsor -~-- Buy Ink Cartridges or Refill Kits for your HP, Epson, Canon or Lexmark Printer at

[biofuel] Re: phosphoric acid in Foolproof method

2003-09-23 Thread simonswb6
hot water washes very strongly how does using hot water help with the bubble wash? --- In biofuel@yahoogroups.com, skillshare [EMAIL PROTECTED] wrote: Hmm,, I'm not sure how to respond. I assume you're talking about neutralising, as it's rather rare to make biodiesel that doesn't contain

[biofuel] phosphoric acid in Foolproof method

2003-09-18 Thread simonswb6
In Aleks Foolproof method, step 18 recommends using %25 of the total glycerine and mix with 10% phosphoric acid. Can you use other types of acids for this? how about citric or sulfuric? i have seen these mentioned when doing the bubble wash? Should you use the same acid when doing the

[biofuel] methanol in dry gas

2003-09-04 Thread simonswb6
According to to Alecs article, it is important to get the highest purity chemicals, specifically the sulfuric acid (at least 95%) and Methanol (99%). I would like to do some test batches, and was wondering if the methanol used in dry gas would be good enough? ... any idea what the purity is