Glossary Terms

A pressurized holding tank which is part of a closed water system (such as for a household well system) and is used to create a steady […]

A measure of the completeness of an incomplete chemical reaction, using a logarithmic scale. Also used to express the extent of dissociation of weak acids and […]

A measure of the ability of an ion exchanger or filter medium to resist breakdown by physical forces such as crushing, attrition, or high temperatures to […]

A salt of phosphoric acid. In the water industry, polyphosphates are used as sequestering agents to control iron and hardness and as coating agents to control […]

A measure of the degree of the acidity or the alkalinity of a solution as measured on a scale (“pH scale”) of 0 to 14. The […]

Generally refers to potassium permanganate, a chemical compound used in water treatment. (See potassium permanganate.)

See non-carbonate hardness.

A self-priming pump that achieves pumping action by moving a system of rollers against a flexible tube. The pumped fluids (e.g., chemical feeds) are never exposed […]

These are needed to calculate specific resin capacities for this water supply. They are also to calculate DI water quality.