Phenolphthalein alkalinity of water as determined by titration with standard acid solution to the phenolphthalein endpoint (pH approx. 8.3). Includes carbonate and hydroxide alkalinity. (See total alkalinity.)
Phenolphthalein alkalinity of water as determined by titration with standard acid solution to the phenolphthalein endpoint (pH approx. 8.3). Includes carbonate and hydroxide alkalinity. (See total alkalinity.)