Ben Bernanke Chairman, Federal Reserve, United States Big Ben is stepping down when he term ends in January 2014, and Janet Yellen has been nominated to lead the Fed next year. Bernanke has steered the Fed during some of the biggest financial challenges since the Depression.
Definition of PHENOLPHTHALEIN. : a white or yellowish-white crystalline compound C20H14O4 used in analysis as an indicator because its solution is brilliant red in alkalies and is decolorized by acids and in medicine as a laxative. See phenolphthalein defined for kids.ADVERTISEMENT.efinition of PHENOLPHTHALEIN. : a white or yellowish-white crystalline compound C20H14O4 used in analysis as an indicator because its solution is brilliant red in alkalies and is decolorized by acids and in medicine as a laxative. See phenolphthalein defined for kids. ADVERTISEMENT.
Phenolphthalein Indicator. Phenolphthalein Indicator Solution is used as an base/acid indicator. When in contact with the presence of acid (or a lower pH solution such as water), the solution will turn colorless.As the pH of the mixture increases, a pink tint or violet color appears. This makes many unique applications.ne common practice is the making of closed loop corrosion inhibitors in water systems. Phenolphthalein indicators are added to the chemical make up. When the chemical is added to the water, it naturally increases the water pH from 7 to 8 up above 10. At this point the water will appear pink.