- cresolphthalein
- cre·sol·phtha·lein (kre″sol-thalґēn) an acid-base indicator that is colorless at pH 7.2 and red at 8.8.
Medical dictionary. 2011.
cresolphthalein
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Colorimetric analysis — is a method of determining the concentration of a chemical element or chemical compound in a solution with the aid of a color reagent. It is applicable to both organic compounds and inorganic compounds and may be used with or without an enzymatic … Wikipedia
