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#Post#: 6--------------------------------------------------
Does Glycerin react with Naoh?
By: Hani Smaik Date: July 28, 2019, 7:49 am
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Along with soap, Glycerin is a result of reacting a Triglyceride
with Naoh solution... Does Glycerin change or react to Naoh
during the saponification process?
#Post#: 7--------------------------------------------------
Re: Does Glycerin react with Naoh?
By: guest2 Date: July 28, 2019, 8:27 am
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it is my understanding that glycerin is part of an oil just as
fatty acids are and it is released when the saponification of
the fatty acids in the oil using a base like sodium hydroxide or
potassium hydroxide takes place. The glycerin and soap then
"live together in harmony" if the ratio of both is one that
works well for them. I also understand that glycerin can be
saponified and many sources out there show examples of soap
created from biodiesel glycerin. Here is some information about
the fatty acids and the monoglycerides, diglycerides and
triglycerides that are connected to them!
HTML https://scientificpsychic.com/fitness/fattyacids1.html
David
#Post#: 9--------------------------------------------------
Re: Does Glycerin react with Naoh?
By: Hani Smaik Date: July 28, 2019, 9:14 pm
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Thank you very much David for sharing you review. I tend to
believe that some of the Glycerin that is broken from the
triglyceride reacts with Naoh and produces lactic acid.. But I
am still not certain yet. The reason that made me think this
way, is the (relatively large) quantity of the impurities that
came out of soap during the purification processes. I think that
the only way to be sure is to take that "impurity" to a lab and
test it to find if it's lactic acid.. I'll do further research
and reading, and share once I find more information about this
matter.
#Post#: 10--------------------------------------------------
Re: Does Glycerin react with Naoh?
By: guest2 Date: July 28, 2019, 9:28 pm
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Another thing to keep in mind is the "unsaponifiables" found in
an oil. The first oil that comes to mind is "Rice Bran Oil"
which I use in my cold process soap. I'm sure there may be some
similarities from oil to oil but some other aspect of the
unsaponifiables that may be different! Something like this does
contribute certain characteristics to soap just as lactic acid
does. I'll look for information on this as well, Hani!
David
#Post#: 11--------------------------------------------------
Re: Does Glycerin react with Naoh?
By: Hani Smaik Date: July 29, 2019, 12:04 am
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This is a great point David, Naoh tends to bind just about to
everything! So if there are weak acids in the mixture or other
matters that are broken from the oils, Naoh will bind to it and
form a strong base. This strong base stays in between the soap
molecules, holding back the reaction and preventing further
advancement, and affects the purity of the soap. So, it's true,
they are matters that binds to Naoh but they are not considered
as soap.
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