Make pH Paper Test Strips
(About.com) You can use red cabbage pH indicator to make your own pH paper test strips. It's simple to do and makes it much easier to test the pH of liquids since you just have to apply a drop to the strip to see the color change. I have a tutorial for making pH
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updated 981 (Chemistry), inserted 10, updated 0, at 2012-05-28 05:24:32
