i found this online 'Phenolphthalein Indicating Solution, 1% in
Alcohol, 125ml'
is this ok for doing titration? it has 1% Alcohol?
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>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
> con
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 bubb
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