ph



ph defined in 1951 year

ph - pH;
ph - A quantitative expression for acidity or alkalinity of a solution, i.e. concentration of hydrogen or hydroxyl ions. Scale ranges from o to 14, pH 7 being neutral, less than 7 acid, more than 7 alkaline. Concentration of hydrogen or hydroxyl ions increases or decreases ten times for each unit of change pH. Theoretically pH= -log(cH), where cH is the concentration of hydrogen ions in grams per litre.

near ph in Knolik


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