Glossary Terms

May 3, 2017

total solids (TS)

The weight of all solids, dissolved and suspended, organic and inorganic, per unit volume of water; usually determined by the evaporation of a measured volume of […]
May 3, 2017

total hardness (TH)

The sum of all hardness constituents in a water, expressed as their equivalent concentration of calcium carbonate. Primarily due to calcium and magnesium in solution, but […]
May 3, 2017

total dissolved solids (TDS)

The total weight of the solids that are dissolved in the water, give in ppm per unit volume of water. TDS is determined by filtering a […]
May 3, 2017

total chlorine

The total concentration of chlorine in a water, including combined available and free chlorine. (See combined available chlorine, free available chlorine.)
May 3, 2017

total alkalinity

See Alkalinity.
May 3, 2017

total acidity

The total of all forms of acidity, including mineral acidity, carbon dioxide, and acid salts in a solution. Total acidity is usually determined by titration with […]
May 3, 2017

titration

An analytical technique for determining how much of a certain substance (concentration) is present in a solution (such as a water sample) by measuring how much […]
May 3, 2017

titrate

To titrate a sample, a chemical solution of known strength is added on a drop-by-drop basis until a certain color change, precipitate, or pH change in […]
May 3, 2017

throughput volume

The amount in gallons or liters of water passed through an ion exchange resin bed or water treatment system before exhaustion of the exchanger or system […]