a substance that absorbs ions and prevents changes that would affect flavor, texture, and color of food; used for water softening.

A chemical compound capable of deactivating a metal ion (electrified particle) in solution by binding it in a form of a soluble and stable complex.

A chemical which holds metals in solution and helps prevent scaling. See Sequestering Agent.

The use of polyphosphates to sequester or chemically lock-up the lime and magnesium in hard water, thus preventing the formation of film on parts or scale in machines.