Throughout human history, discerning sour from bitter tastes in both liquid and solid foods has been essential. For instance, vinegar and lemon juice are widely identified as sour, whereas soapy water ...

Most products require a specific pH for activity or stability, especially in the food and beverage industry, cosmetic industry and pharmaceutical sector. Thus, the industrial applications of pH meters ...

Although a number of techniques are able to track changes in pH in the brain, precise measurements have not previously been possible. Now, however, researchers in Japan have developed a novel method ...

When you see a project with a digital display these days, you’ll be forgiven for assuming that there’s some kind of microcontroller behind the scenes. And while that’s often the easiest way to get a ...

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” ...