The pH scale that is widely accepted and used by scientists didn't actually exist until 1909. Before then scientists had to rely on using adjectives to describe the acidity or basicity of a substance ...

pH is the measure of hydrogen ions in water-based liquids. The pH scale shows the leaves of acidity and alkalinity of water and similar liquids. There are some important things to understand about the ...

Blood is naturally slightly alkaline or basic. Here’s what that means. The pH scale measures how acidic or alkaline — basic — something is. Your body works constantly to carefully control pH levels of ...