The alkalinity in a water sample measured by the amount of standard acid required to lower the pH to a level of 8.3, as indicated by the change in color of phenolphthalein from pink to clear. Phenolphthalein alkalinity is expressed as milligrams per liter equivalent calcium carbonate.
PHENOLPHTHALEIN ALKALINITY (FEE-NOL-THAY-LEEN)
Meaning of PHENOLPHTHALEIN ALKALINITY (FEE-NOL-THAY-LEEN) in English
Environmental engineering English vocabulary. Английский словарь экологического инжиниринга. 2012