Phenolphthalein has been used for over a century as a laxative, but ... to contain
blood, commonly known as the Kastle-Meyer test.
Phenolphthalein is an organic compound (C20H14O4) used as an acid-base
indicator. The compound is colorless in acidic solution and pinkish in basic ...
Jun 21, 2016 ... Phenolphthalein is a mild acid that can be used for medical and scientific
purposes. When used in medicine, this compound is most commonly ...
The most common method to get an idea about the pH of solution is to use an
acid base ... A properly selected acid-base indicator can be used to visually "
indicate" the ... Phenolphthalein is an indicator of acids (colorless) and bases (
Subsequently, most phenolphthalein-containing laxatives were voluntarily ...
other than phenolphthalein [or anthraquinones, which were not commonly used
This 30ml (one ounce) bottle of phenolphthalein is commonly used as an acid-
base indicator, 8.2 (colorless) - 10 (red). It comes packed in a convenient
Three indicators are commonly used to show whether a solution is acidic or
alkaline: litmus ... Phenolphthalein changes colour sharply at about pH 8. For
Nov 25, 2015 ... Well, you may have used phenolphthalein as the indicator in a particular ... Some
other commonly employed indicators are bromothymol blue, ...
Aug 21, 2015 ... Methyl orange is one of the indicators commonly used in titrations. ...
Phenolphthalein is another commonly used indicator for titrations, and is ...
This webpage describes a procedure called titration, which can be used to find
the ... In our example, phenolphthalein, which is a commonly used acid‑base ...