First test batch and confused
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Laughing Gas
Joined: Jan 2006
Posts: 1,045
Likes: 5
From: Gig Em, Tx
First test batch and confused
Ok, made my first 1L test batch . Titrated KOH and came up with 1/4 gram to add to base number. WVO was mostly virgin oil. Did the mix and let settle and had a nice separation of bio and glycerin. Drained glycerin and added water to wash and ended up with milk and water after settling for 24 hrs. I think it is what experienced guys call an emulsion. Anyway my confusion is how much KOH to use for base number. My KOH is 90% and I have seen 7 grams and 5.5 grams for base. I used 7. Don't know if that is what made the emulsion or not. Any wisdom out there?
Lead Driver
Joined: Dec 2003
Posts: 5,250
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Ok, made my first 1L test batch . Titrated KOH and came up with 1/4 gram to add to base number. WVO was mostly virgin oil. Did the mix and let settle and had a nice separation of bio and glycerin. Drained glycerin and added water to wash and ended up with milk and water after settling for 24 hrs. I think it is what experienced guys call an emulsion. Anyway my confusion is how much KOH to use for base number. My KOH is 90% and I have seen 7 grams and 5.5 grams for base. I used 7. Don't know if that is what made the emulsion or not. Any wisdom out there?
my first test was the DP method and was a total disaster.
Thread Starter
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Laughing Gas
Joined: Jan 2006
Posts: 1,045
Likes: 5
From: Gig Em, Tx
Thanks guys. Trent, I did a second wash today and it is now settling. Will know more on it tomorrow. David, I sent you an email to get your pdf write up. I think, on the next batch, I will wash a lot more gently for the first few times.
