The researchers instead attached a four-inch strip of pH paper to a pediatric tongue depressor so that the measuring pad, which changes colors in response to the acidity of the environment ...

Health solutions provider Just Fitter now offers saliva and urine pH test strip kits, with color charts for quickly and ...

pH meters are electric appliances used for measuring the- alkalinity or acidity of a solution. pH is measured using potentiometric methods or pH indicators such as indicator solutions or strips ...