Which pH meters are best? There are numerous reasons you may want a pH meter. Maybe you just bought a new hot tub, plan on starting a hydroponic garden or want to test your drinking water to ensure it ...

When Arnold Beckman, a professor of analytical chemistry at the California Institute of Technology, was asked to devise a way to measure acidity in citrus fruit, the resulting “acidometer” ...

A pH meter measures a pH or the acidity/alkalinity of substances. Most pH meters rely on a glass electrode that measures the number of hydrogen ions in the solution. Usually, pH meters need to be ...

METTLER TOLEDO announces the launch of NineFocus, its new high-performance, multiparameter benchtop meter system. Designed ...

Which pH meters are best? There are numerous reasons you may want a pH meter. Maybe you just bought a new hot tub, plan on starting a hydroponic garden or want to test your drinking water to ensure it ...

Understanding the nature of pH has bedeviled beginning (and not-so-beginning) chemistry students for nearly as long as chemistry has had students. It all seems so arbitrary, being the base-10 log of ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. A pH meter measures the acidity of ...