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The problem I am having is the oil and methanol is not mixing. It you let it sit for a few seconds the oil and methanol separate. I was told that you could not have any oil floating the meth for titration to work. 
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Re: titration
Hello slboson
You were told wrong.
In my experience, the oil does not disolve in the alcohol. The alcohol washes the FFA's out of the Oil which is all we a concerned with in the titration.
For the easiest method of titrating you cannot beat the World Famous Chopstick Titration Technique (Pat Pend)
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Re: titration
Why do you need to add 5 to the numbers of milliliters of titration you use
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Re: titration
Hello sl boson
The short answer is that a chemist (Ph.D) in Perth did some GC tests that showed if you wish to make ASTM conversion biodiesel from new oil it requires a minimum of 5g NaOH mixed into 200ml methanol per litre of oil reacted.
If you would like the long answer let me know.
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Re: titration
Ok I was using the journey to forever recipe it calls for 3.5 per litter of oil.
I should have paid more attention in chemistry this can get a little heavy
Last edited by slboson; 30 August 2006, 06:37 AM.Comment
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Re: titration
Hello slboson
The JTF website is the laughing stock of the biodiesel world.
The biodiesel production information it contains is hopelessly out of date and inaccurate. Some of the recommended procedures appear to have come straight out of a Voodoo Book.
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