Hello Mark
I sometimes also get that 'salt' looking thing that Pieter is talking
about. Mine falls out at the end of the acid stage if I let it sit for a
few days.
mark
Interesting. I've never let it sit for a few days though. Never
drained it at the end of the acid stage either, but I've done
Hmmm, if the wvo had some calcium ion present (via extraction in the hot
oil from fish or chicken bones maybe) and you used sulfuric acid as the
catalyst, you could be precipitating out insoluble calcium sulfate, ie
gypsum. This could also use up your catalyst and stop the
esterification of
interesting idea. I of course don't know if the 'precipitate' is
actually a solid precipitate or a viscous liquid of some kind, or
water comtaminated by something (I don' t filter the oil so there
could be anything suspended in it), or what. I't s happened more than
once.
mark
--- In
I sometimes also get that 'salt' looking thing that Pieter is talking
about. Mine falls out at the end of the acid stage if I let it sit for a
few days.
mark
- I can't imagine anything that would separate the
NaOH unless you didn't mix it thoroughly in the first place. Acid
would separate
