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Old 12-05-2012, 03:42 AM   #14
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Originally Posted by biggerbang View Post
How much bromthymol blue would I need to add to the solution? I think I may have access to all of this in my pharmaceuticals lab.

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It doesn't matter how many drops you add. Add enough so that the colour is easy to see, but not so much that the solution is opaque.

4-5 drops is usually enough, as nilocg mentioned.

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