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 ...

Learn how to test pH of food for canning in a water bath to ensure that you are meeting the requirements for high-acid foods. This is an educational tool and not a license to change lab-tested recipes ...

While there are a variety of other variables and protocols to be followed to ensure our food supply remains safe, a basic understanding of pH and how it is measured is crucial to food production.

As power plants across the country plan to close ash ponds, the first discharge limit to consider is pH. National standards require all wastewater discharges to comply with a pH between 6 and 9 ...