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pH testing

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joannmontalto

Post subject: pH testing

Posted: Sat Jun 30, 2012 4:47 am

Joined: Fri Jun 15, 2012 10:23 am
Posts: 1

Hello fellow soapers!

I am in the market for Phenolphthalien and not sure if I know how to order it and if the most effective for testing pH levels in cold soap bars. I read it should be 50:50 in water and alcohol...does this make sense to you?

Thanks,
Joann

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soapbuddy

Post subject: Re: pH testing

Posted: Sat Jun 30, 2012 10:28 am

Joined: Mon Jan 14, 2008 11:14 pm
Posts: 24336
Location: Mistress Of Lather

Welcome!
You can get it here> http://www.aaa-chemicals.com/phenolphth ... cator.html
It's already pre-diluted and ready for testing. If it turns pink, the pH is too high. If it stays clear, then you should be good to go. I presume this is for liquid soap? CP soap does not need it if all your calculations were made correctly.

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Irena
Closed minds are like faulty parachutes; they refuse to open.

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inspiration

Post subject: Re: pH testing

Posted: Sat Jun 30, 2012 10:38 am

Joined: Thu May 31, 2012 10:49 pm
Posts: 134
Location: Germany

I agree with soapbuddy. Phph is for liquid soap. You can apply pH-test paper for bar soap, but as soapbuddy mentioned, if the calculation is right you actually do not need to check the pH.

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