In a bid to combat food waste and enhance safety, researchers have introduced a pioneering method for gauging the freshness of raw beef using on-pack pH indicators. This new system provides consumers ...

pH is a measurable parameter between the values of 0 and 14, defining the acidity or alkalinity of a solution. Solutions with a pH = 7 are considered neutral, pH < 7 are considered acidic and pH > 7 ...

A pH meter is an electric device used to measure hydrogen ion activity in water-based solutions.2 The pH meter is used in many applications such as for laboratory experimentation, in testing food and ...