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phenolphthalein

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  1. B

    Analyse soap for excess alkali without ethanol, impossible?

    Hello good people of the Soap Making Forum. This is my first post and i am afraid it might be a bit of a hard one, but first a short introduction: Since a few years i have been making soap for myself because i have irritable skin and none of the store bought soaps did me any good. After a while...
  2. K

    Phenolphthalein, pH strips, and Olive Oil Liquid Soap

    I am pulling out my hair trying to get my olive oil liquid soap right. Here's my recipe: 24 oz. olive oil 5 oz. potassium hydroxide 5 oz. water 10 oz. glycerin All went well, soap diluted just fine and was clear as a bell. I tested the pH in three different ways: pH strips...
  3. A

    pH and experimenting

    So, I was pH testing my liquid soap with pH strips. I have never usedPhenolphthalein and was thinking about ordering some. I know you can find it in some pool stores but in rural IL there aren't a whole lot around so, I started looking online for pricing. Some how I ended up reading about...
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