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Is this true?

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einnoc

Post subject: Is this true?

Posted: Sat Feb 05, 2011 12:21 pm

Joined: Thu Jan 13, 2011 5:00 pm
Posts: 504

Hi Everyone,
I read this in a soap making blog:

"It’s simple chemistry, really. When you mix a base with an acid, you form a neutral. This is exactly what happens in the soap making reaction. The base (lye) mixes with the acid (oil or fat) to form a neutral (the soap)."

Is this true? I thought the acid is lye and the fat & oil are the base. I'm trying to remember my high school chemistry!

Thank you
einnoc

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"Soap is to the body what laughter is to the soul!"

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citymouse

Post subject: Re: Is this true?

Posted: Sat Feb 05, 2011 12:44 pm

Joined: Sun Aug 23, 2009 3:58 pm
Posts: 201
Location: Pittsburgh, PA

Hi Ennoc,
It is correct. Lye is a 14 on the pH scale, calling into the "base" side of the scale and oils fall into more of the acidic side which is a pH of below 7.

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