Rob,
Is this a good way to determine the purity?
It's a good way to determine a baseline for your 50# bag. For all
practical intents and purposes, that's what you want.
See http://journeytoforever.org/biodiesel_make2.html#stockmeth
and
See http://journeytoforever.org/biodiesel_make2.html#poor
before you begin for some ideas that could help you zero things in a bit.
Todd Swearingen
This weekend I will be attempting to use KOH instead of Lye. I got a deal on
a 50 lb bag of KOH but I don't know what the purity is. I'm not sure how to
titrate to determine the purity so here is what I am going to try.
I'll make 3 batches, Batch 1 I will assume 99% pure and use 4.9 grams, batch
2 I will assume 92% pure and use 5.3 grams and batch 3 I will assume 85%
purity and use 5.8 grams. I will be using new oil and see which batch turns
out good and passes the shake test.
Is this a good way to determine the purity?
Any help is appreciated here.
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